TY  - JOUR
AU  - Janjić, Goran
AU  - Marinović, Sanja
AU  - Jadranin, Milka
AU  - Ajduković, Marija
AU  - Đorđević, Ivana
AU  - Petkovic-Benazzouz, Marija
AU  - Milutinović Nikolić, Aleksandra
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6693
AB  - The catalytic degradation of hazardous organic contaminants in industrial wastewater is a promising technology. Reactions of tartrazine, the synthetic yellow azo dye, with Oxone® in the presence of catalyst in strong acidic condition (pH 2), were detected by using UV–Vis spectroscopy. In order to extend the applicability profile of Co-supported Al-pillared montmorillonite catalyst an investigation of Oxone® induced reactions were performed in extreme acidic environment. The products of the reactions were identified by liquid chromatography–mass spectrometry (LC-MS). Along with the catalytic decomposition of tartrazine induced by radical attack (confirmed as unique reaction path under neutral and alkaline conditions), the formation of tartrazine derivatives by reaction of nucleophilic addition was also detected. The presence of derivatives under acidic conditions slowed down the hydrolysis of tartrazine diazo bond in comparison to the reactions in neutral environment. Nevertheless, the reaction in acidic conditions (pH 2) is faster than the one conducted in alkaline conditions (pH 11). Theoretical calculations were used to complete and clarify the mechanisms of tartrazine derivatization and degradation, as well as to predict the UV–Vis spectra of compounds which could serve as predictors of certain reaction phases. ECOSAR program, used to estimate toxicological profile of compounds to aquatic animals, indicated an increase in the harmfulness of the compounds identified by LC-MS as degradation products from the reaction conducted for 240min. It could be concluded that an intensification of the process parameters (higher concentration of Oxone®, higher catalyst loading, increased reaction time, etc.) is needed in order to obtain only biodegradable products.
PB  - Elsevier
T2  - Environmental Pollution
T1  - Degradation of tartrazine by Oxone® in the presence of cobalt based catalyst supported on pillared montmorillonite - Efficient technology even in extreme conditions
VL  - 331
SP  - 121863
DO  - 10.1016/j.envpol.2023.121863
ER  - 

@article{
author = "Janjić, Goran and Marinović, Sanja and Jadranin, Milka and Ajduković, Marija and Đorđević, Ivana and Petkovic-Benazzouz, Marija and Milutinović Nikolić, Aleksandra",
year = "2023",
abstract = "The catalytic degradation of hazardous organic contaminants in industrial wastewater is a promising technology. Reactions of tartrazine, the synthetic yellow azo dye, with Oxone® in the presence of catalyst in strong acidic condition (pH 2), were detected by using UV–Vis spectroscopy. In order to extend the applicability profile of Co-supported Al-pillared montmorillonite catalyst an investigation of Oxone® induced reactions were performed in extreme acidic environment. The products of the reactions were identified by liquid chromatography–mass spectrometry (LC-MS). Along with the catalytic decomposition of tartrazine induced by radical attack (confirmed as unique reaction path under neutral and alkaline conditions), the formation of tartrazine derivatives by reaction of nucleophilic addition was also detected. The presence of derivatives under acidic conditions slowed down the hydrolysis of tartrazine diazo bond in comparison to the reactions in neutral environment. Nevertheless, the reaction in acidic conditions (pH 2) is faster than the one conducted in alkaline conditions (pH 11). Theoretical calculations were used to complete and clarify the mechanisms of tartrazine derivatization and degradation, as well as to predict the UV–Vis spectra of compounds which could serve as predictors of certain reaction phases. ECOSAR program, used to estimate toxicological profile of compounds to aquatic animals, indicated an increase in the harmfulness of the compounds identified by LC-MS as degradation products from the reaction conducted for 240min. It could be concluded that an intensification of the process parameters (higher concentration of Oxone®, higher catalyst loading, increased reaction time, etc.) is needed in order to obtain only biodegradable products.",
publisher = "Elsevier",
journal = "Environmental Pollution",
title = "Degradation of tartrazine by Oxone® in the presence of cobalt based catalyst supported on pillared montmorillonite - Efficient technology even in extreme conditions",
volume = "331",
pages = "121863",
doi = "10.1016/j.envpol.2023.121863"
}

Janjić, G., Marinović, S., Jadranin, M., Ajduković, M., Đorđević, I., Petkovic-Benazzouz, M.,& Milutinović Nikolić, A.. (2023). Degradation of tartrazine by Oxone® in the presence of cobalt based catalyst supported on pillared montmorillonite - Efficient technology even in extreme conditions. in Environmental Pollution
Elsevier., 331, 121863.
https://doi.org/10.1016/j.envpol.2023.121863

Janjić G, Marinović S, Jadranin M, Ajduković M, Đorđević I, Petkovic-Benazzouz M, Milutinović Nikolić A. Degradation of tartrazine by Oxone® in the presence of cobalt based catalyst supported on pillared montmorillonite - Efficient technology even in extreme conditions. in Environmental Pollution. 2023;331:121863.
doi:10.1016/j.envpol.2023.121863 .

Janjić, Goran, Marinović, Sanja, Jadranin, Milka, Ajduković, Marija, Đorđević, Ivana, Petkovic-Benazzouz, Marija, Milutinović Nikolić, Aleksandra, "Degradation of tartrazine by Oxone® in the presence of cobalt based catalyst supported on pillared montmorillonite - Efficient technology even in extreme conditions" in Environmental Pollution, 331 (2023):121863,
https://doi.org/10.1016/j.envpol.2023.121863 . .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Jović-Jovičić, Nataša
AU  - Krstić, Jugoslav
AU  - Marinović, Sanja
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Ajduković, Marija
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6436
AB  - Catalytic degradation of tartrazine in the presence of Oxone®

was investigated. Oxone was activated by
nanocomposite catalysts consisted of cobalt supported on smectite with chitosan-derived carbon loading. The
catalyst was synthetized using an impregnation-carbonization procedure and NaHCO3 was used as green
porogen. Smectite rich bentonite clay from Bogovina, Serbia was used as started material. After milling,
sieving and hydroseparation the fractions containing particles up to 2 μm in diameter were separated (denoted
as S). The intercalation of chitosan into the smectite was performed according to the previously described
procedure [1]. Obtained chitosan-smectite nanocomposite (Ch-S) was submitted to the wetness impregnation
method by Co2+ ions [1]. The impregnation was performed by slow addition of Co(NO3)2 solution to Ch-S
powder resulting in 0.03 g Co2+ per 1 g of Ch-S. After drying, the sample was mixed with NaHCO3 in a mass
ratio 1:3, placed in a tube furnace and carbonized in a stream of N2 at 500°C for 1 h. The potassium
peroxymonosulfate (Oxone®

, i.e. 2KHSO5∙KHSO4∙K2SO4) was used as a source of sulfate radicals generated by
cobalt from the catalysts. The catalytic activity of the N/Co/cCh-S was compared with catalyst Co/cCh-S
obtained by the same synthesis procedure without activation by NaHCO3. The degradation of tartrazine was
monitored using UV–Vis spectrophotometry at wavelength of 426 nm within 60 minutes. It was found that
N/Co/cCh-S reached 100% of dye degradation after 30 minutes, while degradation in the presence of Co/cCh-S
was 77% for the same reaction time. The results of the catalytic tests were fitted by different kinetic models and
the first-order-kinetic model showed the best correlation. The first-order constant (k1) values for N/Co/cCh-S
and Co/cCh-S were 0.1286 min-1 and 0.0561 min-1, respectively. The results of this study confirmed that the
presence of NaHCO3 in the catalyst synthesis led to increased catalyst activity and accelerated tartrazine
degradation in the presence of Oxone®.
PB  - Bari, Italy : Digilabs
C3  - Scientific Research Abstracts - International Conference of European Clay Groups Association - EUROCLAY 2023, 24-27 July 2023, Bari, Italy
T1  - Cobalt-carbon-smectite catalysts in Oxone® induced oxidative degradation of tartrazine: The role of the NaHCO3 in the synthesis of the catalyst
VL  - 14
SP  - 279
EP  - 279
UR  - https://hdl.handle.net/21.15107/rcub_cer_6436
ER  - 

@conference{
author = "Stevanović, Gordana and Jović-Jovičić, Nataša and Krstić, Jugoslav and Marinović, Sanja and Milutinović Nikolić, Aleksandra and Banković, Predrag and Ajduković, Marija",
year = "2023",
abstract = "Catalytic degradation of tartrazine in the presence of Oxone®

was investigated. Oxone was activated by
nanocomposite catalysts consisted of cobalt supported on smectite with chitosan-derived carbon loading. The
catalyst was synthetized using an impregnation-carbonization procedure and NaHCO3 was used as green
porogen. Smectite rich bentonite clay from Bogovina, Serbia was used as started material. After milling,
sieving and hydroseparation the fractions containing particles up to 2 μm in diameter were separated (denoted
as S). The intercalation of chitosan into the smectite was performed according to the previously described
procedure [1]. Obtained chitosan-smectite nanocomposite (Ch-S) was submitted to the wetness impregnation
method by Co2+ ions [1]. The impregnation was performed by slow addition of Co(NO3)2 solution to Ch-S
powder resulting in 0.03 g Co2+ per 1 g of Ch-S. After drying, the sample was mixed with NaHCO3 in a mass
ratio 1:3, placed in a tube furnace and carbonized in a stream of N2 at 500°C for 1 h. The potassium
peroxymonosulfate (Oxone®

, i.e. 2KHSO5∙KHSO4∙K2SO4) was used as a source of sulfate radicals generated by
cobalt from the catalysts. The catalytic activity of the N/Co/cCh-S was compared with catalyst Co/cCh-S
obtained by the same synthesis procedure without activation by NaHCO3. The degradation of tartrazine was
monitored using UV–Vis spectrophotometry at wavelength of 426 nm within 60 minutes. It was found that
N/Co/cCh-S reached 100% of dye degradation after 30 minutes, while degradation in the presence of Co/cCh-S
was 77% for the same reaction time. The results of the catalytic tests were fitted by different kinetic models and
the first-order-kinetic model showed the best correlation. The first-order constant (k1) values for N/Co/cCh-S
and Co/cCh-S were 0.1286 min-1 and 0.0561 min-1, respectively. The results of this study confirmed that the
presence of NaHCO3 in the catalyst synthesis led to increased catalyst activity and accelerated tartrazine
degradation in the presence of Oxone®.",
publisher = "Bari, Italy : Digilabs",
journal = "Scientific Research Abstracts - International Conference of European Clay Groups Association - EUROCLAY 2023, 24-27 July 2023, Bari, Italy",
title = "Cobalt-carbon-smectite catalysts in Oxone® induced oxidative degradation of tartrazine: The role of the NaHCO3 in the synthesis of the catalyst",
volume = "14",
pages = "279-279",
url = "https://hdl.handle.net/21.15107/rcub_cer_6436"
}

Stevanović, G., Jović-Jovičić, N., Krstić, J., Marinović, S., Milutinović Nikolić, A., Banković, P.,& Ajduković, M.. (2023). Cobalt-carbon-smectite catalysts in Oxone® induced oxidative degradation of tartrazine: The role of the NaHCO3 in the synthesis of the catalyst. in Scientific Research Abstracts - International Conference of European Clay Groups Association - EUROCLAY 2023, 24-27 July 2023, Bari, Italy
Bari, Italy : Digilabs., 14, 279-279.
https://hdl.handle.net/21.15107/rcub_cer_6436

Stevanović G, Jović-Jovičić N, Krstić J, Marinović S, Milutinović Nikolić A, Banković P, Ajduković M. Cobalt-carbon-smectite catalysts in Oxone® induced oxidative degradation of tartrazine: The role of the NaHCO3 in the synthesis of the catalyst. in Scientific Research Abstracts - International Conference of European Clay Groups Association - EUROCLAY 2023, 24-27 July 2023, Bari, Italy. 2023;14:279-279.
https://hdl.handle.net/21.15107/rcub_cer_6436 .

Stevanović, Gordana, Jović-Jovičić, Nataša, Krstić, Jugoslav, Marinović, Sanja, Milutinović Nikolić, Aleksandra, Banković, Predrag, Ajduković, Marija, "Cobalt-carbon-smectite catalysts in Oxone® induced oxidative degradation of tartrazine: The role of the NaHCO3 in the synthesis of the catalyst" in Scientific Research Abstracts - International Conference of European Clay Groups Association - EUROCLAY 2023, 24-27 July 2023, Bari, Italy, 14 (2023):279-279,
https://hdl.handle.net/21.15107/rcub_cer_6436 .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Jović-Jovičić, Nataša
AU  - Krstić, Jugoslav
AU  - Marinović, Sanja
AU  - Banković, Predrag
AU  - Ajduković, Marija
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6520
AB  - Wastewaters polluted with high concentration of dyes are produced by various industries.
Therefore, it is important to perform treatment of the dye-contaminated waters before their
discharge into recipients in order to protect the environment. Sulfate radical-based advanced
oxidation processes that involve use ofactivated Oxone® can be used for degradation of dyes.
In this work,nanocomposite catalysts constituted ofCo supported on smectite with chitosanderived
carbon were used for activation of Oxone. Catalysts were synthetizedusingan
impregnation-carbonization procedure and denoted as Co/cCh-S-T (T stands for applied
carbonization temperature). The carbonization was performed in the temperature range from
400°C to 700°C in the flow of N2 providing inert atmosphere. The synthesized catalysts were
fully characterized using XRPD, XPS, FTIR, HR-TEM, and low-temperature N2-
physisorption analysis, and evaluated in the Oxone® induced oxidative degradation of food
dye tartrazine. The best performing catalyst was investigated in detail regarding catalytic
degradation of tartrazine with respect to degradation time and different experimental
parameters (dye concentration, Oxone® concentration, temperature, and initial pH of the
reaction solution). The kinetic and thermodynamic parameters were calculated from the
experimental results.The selected catalyst showed excellent performance in the Oxone®
initiated tartrazine degradationat low temperatures (even at 25°C) and in the wide range of pH
values.
PB  - Serbian Ceramic Society
C3  - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
T1  - Evaluation of cobalt supported chitosan-derived carbon-smectite catalysts in Oxone® induced dye degradation
SP  - 37
EP  - 37
UR  - https://hdl.handle.net/21.15107/rcub_cer_6520
ER  - 

@conference{
author = "Stevanović, Gordana and Jović-Jovičić, Nataša and Krstić, Jugoslav and Marinović, Sanja and Banković, Predrag and Ajduković, Marija",
year = "2023",
abstract = "Wastewaters polluted with high concentration of dyes are produced by various industries.
Therefore, it is important to perform treatment of the dye-contaminated waters before their
discharge into recipients in order to protect the environment. Sulfate radical-based advanced
oxidation processes that involve use ofactivated Oxone® can be used for degradation of dyes.
In this work,nanocomposite catalysts constituted ofCo supported on smectite with chitosanderived
carbon were used for activation of Oxone. Catalysts were synthetizedusingan
impregnation-carbonization procedure and denoted as Co/cCh-S-T (T stands for applied
carbonization temperature). The carbonization was performed in the temperature range from
400°C to 700°C in the flow of N2 providing inert atmosphere. The synthesized catalysts were
fully characterized using XRPD, XPS, FTIR, HR-TEM, and low-temperature N2-
physisorption analysis, and evaluated in the Oxone® induced oxidative degradation of food
dye tartrazine. The best performing catalyst was investigated in detail regarding catalytic
degradation of tartrazine with respect to degradation time and different experimental
parameters (dye concentration, Oxone® concentration, temperature, and initial pH of the
reaction solution). The kinetic and thermodynamic parameters were calculated from the
experimental results.The selected catalyst showed excellent performance in the Oxone®
initiated tartrazine degradationat low temperatures (even at 25°C) and in the wide range of pH
values.",
publisher = "Serbian Ceramic Society",
journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia",
title = "Evaluation of cobalt supported chitosan-derived carbon-smectite catalysts in Oxone® induced dye degradation",
pages = "37-37",
url = "https://hdl.handle.net/21.15107/rcub_cer_6520"
}

Stevanović, G., Jović-Jovičić, N., Krstić, J., Marinović, S., Banković, P.,& Ajduković, M.. (2023). Evaluation of cobalt supported chitosan-derived carbon-smectite catalysts in Oxone® induced dye degradation. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
Serbian Ceramic Society., 37-37.
https://hdl.handle.net/21.15107/rcub_cer_6520

Stevanović G, Jović-Jovičić N, Krstić J, Marinović S, Banković P, Ajduković M. Evaluation of cobalt supported chitosan-derived carbon-smectite catalysts in Oxone® induced dye degradation. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:37-37.
https://hdl.handle.net/21.15107/rcub_cer_6520 .

Stevanović, Gordana, Jović-Jovičić, Nataša, Krstić, Jugoslav, Marinović, Sanja, Banković, Predrag, Ajduković, Marija, "Evaluation of cobalt supported chitosan-derived carbon-smectite catalysts in Oxone® induced dye degradation" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):37-37,
https://hdl.handle.net/21.15107/rcub_cer_6520 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Stevanović, Gordana
AU  - Banković, Predrag
AU  - Novaković, Tatjana
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6542
AB  - Cobalt-doped alumina catalyst was tested in peroxymonosulfate-induced degradation of two
textile dyes: anionic-Orange G (OG) and cationic-Basic Blue 41 (BB). Oxone®, mixed salt
containing peroxymonosulfate as an active component, was used as an oxidizing agent.
Catalytic tests were performed in a thermostated reactor equipped with a mechanical stirrer.
Dyes degradation was followed using a UV-Vis spectrophotometer. Characteristic peak
maximum in UV-Vis spectrum was identified at λ=478 nm for OG, and at λ=609 nm for BB.
Two OG concentrations were applied: 20 mg dm-3 and 50 mg dm-3. BB concentration was 20
mg dm-3 in all experiments. The reaction temperature was 30 ºC. Apart from simultaneous
dyes degradation, single-component solution degradation tests were also performed. Both
dyes were found to be degradable in single dyes systems, with OG showing a higher
degradation rate. When it comes to simultaneous degradation, it was noticed that the
degradation of the BB did not occur while OG was present in the system. This phenomenon
can probably be attributed to the difference in the molecular structure and charge of the
investigated dyes.
PB  - Serbian Ceramic Society
C3  - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
T1  - Simultaneous degradation of two textile dyes Orange G and Basic blue 41
SP  - 79
EP  - 79
UR  - https://hdl.handle.net/21.15107/rcub_cer_6542
ER  - 

@conference{
author = "Marinović, Sanja and Mudrinić, Tihana and Ajduković, Marija and Jović-Jovičić, Nataša and Stevanović, Gordana and Banković, Predrag and Novaković, Tatjana",
year = "2023",
abstract = "Cobalt-doped alumina catalyst was tested in peroxymonosulfate-induced degradation of two
textile dyes: anionic-Orange G (OG) and cationic-Basic Blue 41 (BB). Oxone®, mixed salt
containing peroxymonosulfate as an active component, was used as an oxidizing agent.
Catalytic tests were performed in a thermostated reactor equipped with a mechanical stirrer.
Dyes degradation was followed using a UV-Vis spectrophotometer. Characteristic peak
maximum in UV-Vis spectrum was identified at λ=478 nm for OG, and at λ=609 nm for BB.
Two OG concentrations were applied: 20 mg dm-3 and 50 mg dm-3. BB concentration was 20
mg dm-3 in all experiments. The reaction temperature was 30 ºC. Apart from simultaneous
dyes degradation, single-component solution degradation tests were also performed. Both
dyes were found to be degradable in single dyes systems, with OG showing a higher
degradation rate. When it comes to simultaneous degradation, it was noticed that the
degradation of the BB did not occur while OG was present in the system. This phenomenon
can probably be attributed to the difference in the molecular structure and charge of the
investigated dyes.",
publisher = "Serbian Ceramic Society",
journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia",
title = "Simultaneous degradation of two textile dyes Orange G and Basic blue 41",
pages = "79-79",
url = "https://hdl.handle.net/21.15107/rcub_cer_6542"
}

Marinović, S., Mudrinić, T., Ajduković, M., Jović-Jovičić, N., Stevanović, G., Banković, P.,& Novaković, T.. (2023). Simultaneous degradation of two textile dyes Orange G and Basic blue 41. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
Serbian Ceramic Society., 79-79.
https://hdl.handle.net/21.15107/rcub_cer_6542

Marinović S, Mudrinić T, Ajduković M, Jović-Jovičić N, Stevanović G, Banković P, Novaković T. Simultaneous degradation of two textile dyes Orange G and Basic blue 41. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:79-79.
https://hdl.handle.net/21.15107/rcub_cer_6542 .

Marinović, Sanja, Mudrinić, Tihana, Ajduković, Marija, Jović-Jovičić, Nataša, Stevanović, Gordana, Banković, Predrag, Novaković, Tatjana, "Simultaneous degradation of two textile dyes Orange G and Basic blue 41" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):79-79,
https://hdl.handle.net/21.15107/rcub_cer_6542 .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Jović-Jovičić, Nataša
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Mojović, Zorica
AU  - Banković, Predrag
AU  - Ajduković, Marija
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6521
AB  - Nowadays, environmental pollution caused by antibiotics attracts extensive attention.
Adsorption has been successfully applied in the treatment of wastewater loaded by
pharmaceutics, while diverse natural and eco-friendly materials have been recognized as
promising adsorbents. In this work smectite clay from Bogovina (Serbia) and biopolymer
chitosan (derived from waste of crustaceans) were used as eco-friendly starting materials for
the adsorbent synthesis. The combination of transition metal, carbon materials, and clay
minerals represents a useful way to develop functional nanocomposites with benefiting
synergistic properties of all components.
Simple, one-step hydrothermal procedure conducted at 180 ℃ for 24h was applied for
synthesis of cobalt/smectite/chitosan-derived carbon (H_Co/C-S) nanocomposite. The sample
was characterized using XRPD, FTIR, and low-temperature N2-physisorption analysis and
tested as adsorbent of ciprofloxacin (CPX). The effects of temperature, initial pH, and CPX
concentration on the adsorption process were investigated. The adsorption results were fitted
by Langmuir, Freundlich, and Sips adsorption isotherms. Additionally, CPX adsorption was
described by appropriate kinetics and thermodynamic parameters. It was found that
temperature increase had the beneficial effect on CPX adsorption, while investigated
adsorbent was efficient in a broad pH range (4-8). The H_Co/C-S adsorbent was found to be
efficient in the removal of CPX antibiotic.
PB  - Serbian Ceramic Society
C3  - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
T1  - Ciprofloxacin adsorption onto Co/chitosan-derived carbon/smectite nanocomposite obtained by the hydrothermal synthesis
SP  - 76
EP  - 76
UR  - https://hdl.handle.net/21.15107/rcub_cer_6521
ER  - 

@conference{
author = "Stevanović, Gordana and Jović-Jovičić, Nataša and Marinović, Sanja and Mudrinić, Tihana and Mojović, Zorica and Banković, Predrag and Ajduković, Marija",
year = "2023",
abstract = "Nowadays, environmental pollution caused by antibiotics attracts extensive attention.
Adsorption has been successfully applied in the treatment of wastewater loaded by
pharmaceutics, while diverse natural and eco-friendly materials have been recognized as
promising adsorbents. In this work smectite clay from Bogovina (Serbia) and biopolymer
chitosan (derived from waste of crustaceans) were used as eco-friendly starting materials for
the adsorbent synthesis. The combination of transition metal, carbon materials, and clay
minerals represents a useful way to develop functional nanocomposites with benefiting
synergistic properties of all components.
Simple, one-step hydrothermal procedure conducted at 180 ℃ for 24h was applied for
synthesis of cobalt/smectite/chitosan-derived carbon (H_Co/C-S) nanocomposite. The sample
was characterized using XRPD, FTIR, and low-temperature N2-physisorption analysis and
tested as adsorbent of ciprofloxacin (CPX). The effects of temperature, initial pH, and CPX
concentration on the adsorption process were investigated. The adsorption results were fitted
by Langmuir, Freundlich, and Sips adsorption isotherms. Additionally, CPX adsorption was
described by appropriate kinetics and thermodynamic parameters. It was found that
temperature increase had the beneficial effect on CPX adsorption, while investigated
adsorbent was efficient in a broad pH range (4-8). The H_Co/C-S adsorbent was found to be
efficient in the removal of CPX antibiotic.",
publisher = "Serbian Ceramic Society",
journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia",
title = "Ciprofloxacin adsorption onto Co/chitosan-derived carbon/smectite nanocomposite obtained by the hydrothermal synthesis",
pages = "76-76",
url = "https://hdl.handle.net/21.15107/rcub_cer_6521"
}

Stevanović, G., Jović-Jovičić, N., Marinović, S., Mudrinić, T., Mojović, Z., Banković, P.,& Ajduković, M.. (2023). Ciprofloxacin adsorption onto Co/chitosan-derived carbon/smectite nanocomposite obtained by the hydrothermal synthesis. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
Serbian Ceramic Society., 76-76.
https://hdl.handle.net/21.15107/rcub_cer_6521

Stevanović G, Jović-Jovičić N, Marinović S, Mudrinić T, Mojović Z, Banković P, Ajduković M. Ciprofloxacin adsorption onto Co/chitosan-derived carbon/smectite nanocomposite obtained by the hydrothermal synthesis. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:76-76.
https://hdl.handle.net/21.15107/rcub_cer_6521 .

Stevanović, Gordana, Jović-Jovičić, Nataša, Marinović, Sanja, Mudrinić, Tihana, Mojović, Zorica, Banković, Predrag, Ajduković, Marija, "Ciprofloxacin adsorption onto Co/chitosan-derived carbon/smectite nanocomposite obtained by the hydrothermal synthesis" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):76-76,
https://hdl.handle.net/21.15107/rcub_cer_6521 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Novaković, Tatjana
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6543
AB  - Catalytic oxidative degradation of a textile dye Orange G was investigated in the reaction
system where oxidant Oxone® was used as a source of SO4˙ˉ anion radicals. Cobalt-doped
alumina was tested as a heterogenous catalysts for Oxone® activation. The catalyst was
synthetized and calcined at 500 °C. The influence of different reaction parameters was
followed: the Oxone® dosage, Orange G concentration and initial pH of the reaction solution.
The Oxone® dosage was varied from 10 mg to 80 mg. Small differences in degradation
efficiency were observed but mass of 40 mg of Oxone® was found to be optimal in the first
hour of the reaction. The effect of the Orange G concentration was investigated in the range
from 20 mg dm-3 to 50mg dm-3. For the concentration of 20 mg dm-3 the reaction was much
faster than for other investigated concentrations. The effect of the pH was tested in the range
from 2 to 9. The optimal pH range was found to be between 6 and 9, but reaction was feasible
also for lower pH. It can be concluded that investigated catalyst is applicable with high
efficiency in the wide range of Oxone® dosages, dye concentrations and initial pH values.
PB  - Serbian Ceramic Society
C3  - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
T1  - Catalytic oxidative degradation of Orange G dye: the effect of different reaction parameters
SP  - 80
EP  - 80
UR  - https://hdl.handle.net/21.15107/rcub_cer_6543
ER  - 

@conference{
author = "Marinović, Sanja and Mudrinić, Tihana and Ajduković, Marija and Jović-Jovičić, Nataša and Banković, Predrag and Novaković, Tatjana",
year = "2023",
abstract = "Catalytic oxidative degradation of a textile dye Orange G was investigated in the reaction
system where oxidant Oxone® was used as a source of SO4˙ˉ anion radicals. Cobalt-doped
alumina was tested as a heterogenous catalysts for Oxone® activation. The catalyst was
synthetized and calcined at 500 °C. The influence of different reaction parameters was
followed: the Oxone® dosage, Orange G concentration and initial pH of the reaction solution.
The Oxone® dosage was varied from 10 mg to 80 mg. Small differences in degradation
efficiency were observed but mass of 40 mg of Oxone® was found to be optimal in the first
hour of the reaction. The effect of the Orange G concentration was investigated in the range
from 20 mg dm-3 to 50mg dm-3. For the concentration of 20 mg dm-3 the reaction was much
faster than for other investigated concentrations. The effect of the pH was tested in the range
from 2 to 9. The optimal pH range was found to be between 6 and 9, but reaction was feasible
also for lower pH. It can be concluded that investigated catalyst is applicable with high
efficiency in the wide range of Oxone® dosages, dye concentrations and initial pH values.",
publisher = "Serbian Ceramic Society",
journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia",
title = "Catalytic oxidative degradation of Orange G dye: the effect of different reaction parameters",
pages = "80-80",
url = "https://hdl.handle.net/21.15107/rcub_cer_6543"
}

Marinović, S., Mudrinić, T., Ajduković, M., Jović-Jovičić, N., Banković, P.,& Novaković, T.. (2023). Catalytic oxidative degradation of Orange G dye: the effect of different reaction parameters. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
Serbian Ceramic Society., 80-80.
https://hdl.handle.net/21.15107/rcub_cer_6543

Marinović S, Mudrinić T, Ajduković M, Jović-Jovičić N, Banković P, Novaković T. Catalytic oxidative degradation of Orange G dye: the effect of different reaction parameters. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:80-80.
https://hdl.handle.net/21.15107/rcub_cer_6543 .

Marinović, Sanja, Mudrinić, Tihana, Ajduković, Marija, Jović-Jovičić, Nataša, Banković, Predrag, Novaković, Tatjana, "Catalytic oxidative degradation of Orange G dye: the effect of different reaction parameters" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):80-80,
https://hdl.handle.net/21.15107/rcub_cer_6543 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Novaković, Tatjana
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6523
AB  - Cobalt-doped alumina catalyst was tested in peroxymonosulfate-induced degradation of two
textile dyes: anionic-Orange G (OG) and cationic-Basic Blue 41 (BB). Oxone®, mixed salt
containing peroxymonosulfate as an active component, was used as an oxidizing agent.
Catalytic tests were performed in a thermostated reactor equipped with a mechanical stirrer.
Dyes degradation was followed using a UV-Vis spectrophotometer. Characteristic peak
maximum in UV-Vis spectrum was identified at λ=478 nm for OG, and at λ=609 nm for BB.
Two OG concentrations were applied: 20 mg dm-3 and 50 mg dm-3. BB concentration was 20
mg dm-3 in all experiments. The reaction temperature was 30 ºC. Apart from simultaneous
dyes degradation, single-component solution degradation tests were also performed. Both
dyes were found to be degradable in single dyes systems, with OG showing a higher
degradation rate. When it comes to simultaneous degradation, it was noticed that the
degradation of the BB did not occur while OG was present in the system. This phenomenon
can probably be attributed to the difference in the molecular structure and charge of the
investigated dyes.
PB  - Serbian Ceramic Society
C3  - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
T1  - The effect of the initial temperature and pH on textile dye catalytic oxidative degradation using cobalt-doped alumina catalysts
SP  - 78
EP  - 79
UR  - https://hdl.handle.net/21.15107/rcub_cer_6523
ER  - 

@conference{
author = "Marinović, Sanja and Mudrinić, Tihana and Ajduković, Marija and Jović-Jovičić, Nataša and Banković, Predrag and Novaković, Tatjana",
year = "2023",
abstract = "Cobalt-doped alumina catalyst was tested in peroxymonosulfate-induced degradation of two
textile dyes: anionic-Orange G (OG) and cationic-Basic Blue 41 (BB). Oxone®, mixed salt
containing peroxymonosulfate as an active component, was used as an oxidizing agent.
Catalytic tests were performed in a thermostated reactor equipped with a mechanical stirrer.
Dyes degradation was followed using a UV-Vis spectrophotometer. Characteristic peak
maximum in UV-Vis spectrum was identified at λ=478 nm for OG, and at λ=609 nm for BB.
Two OG concentrations were applied: 20 mg dm-3 and 50 mg dm-3. BB concentration was 20
mg dm-3 in all experiments. The reaction temperature was 30 ºC. Apart from simultaneous
dyes degradation, single-component solution degradation tests were also performed. Both
dyes were found to be degradable in single dyes systems, with OG showing a higher
degradation rate. When it comes to simultaneous degradation, it was noticed that the
degradation of the BB did not occur while OG was present in the system. This phenomenon
can probably be attributed to the difference in the molecular structure and charge of the
investigated dyes.",
publisher = "Serbian Ceramic Society",
journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia",
title = "The effect of the initial temperature and pH on textile dye catalytic oxidative degradation using cobalt-doped alumina catalysts",
pages = "78-79",
url = "https://hdl.handle.net/21.15107/rcub_cer_6523"
}

Marinović, S., Mudrinić, T., Ajduković, M., Jović-Jovičić, N., Banković, P.,& Novaković, T.. (2023). The effect of the initial temperature and pH on textile dye catalytic oxidative degradation using cobalt-doped alumina catalysts. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
Serbian Ceramic Society., 78-79.
https://hdl.handle.net/21.15107/rcub_cer_6523

Marinović S, Mudrinić T, Ajduković M, Jović-Jovičić N, Banković P, Novaković T. The effect of the initial temperature and pH on textile dye catalytic oxidative degradation using cobalt-doped alumina catalysts. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:78-79.
https://hdl.handle.net/21.15107/rcub_cer_6523 .

Marinović, Sanja, Mudrinić, Tihana, Ajduković, Marija, Jović-Jovičić, Nataša, Banković, Predrag, Novaković, Tatjana, "The effect of the initial temperature and pH on textile dye catalytic oxidative degradation using cobalt-doped alumina catalysts" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):78-79,
https://hdl.handle.net/21.15107/rcub_cer_6523 .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Marinović, Sanja
AU  - Pantić, Biljana
AU  - Banković, Predrag
AU  - Mudrinić, Tihana
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6522
AB  - Seawater electrolysis has recently been recognized as a new hope for affordable renewable
energy storage. However, its practical application is still limited due to the presence of
various electroactive ions in seawater. For example, the chloride ions compete with the
oxygen evolution reaction (OER) causing low efficiency of the OER, and corrosion of both
the anode and the cathode. To overcome these issues, the development of catalysts with high
activity and selectivity towards OER is of primary importance.Herein, Co supported
chitosan–derived carbon–smectite nanocomposite (Co/cCh-S) was tested as an electrocatalyst
for the OER in alkaline and simulated alkaline seawater solution. Co/cCh-S was previously
synthetized using impregnation–carbonization method at 400 °C in an inert atmosphere and
characterized in detail. The electrochemical performance of Co/cCh-S modified GCE was
studied by cyclic voltammetry, linear sweep voltammetry, and electrochemical impedance
spectroscopy. According to the obtained values for onset potential, overpotential, and Tafel
slope, the Co/cCh-S electrode could be considered a good electrocatalyst for OER in an
alkaline solution. Moreover, no noticeable change in the performance of the Co/cCh-S
electrode was observed in the presence of chloride ions. This work could be a starting point
for designing an inexpensive, earth-abundant OER catalyst for seawater electrolysis.
PB  - Serbian Ceramic Society
C3  - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
T1  - Co supported chitosan–derived carbon–smectite–catalyst for oxygen evolution reaction in simulated alkaline seawater solution
SP  - 77
EP  - 77
UR  - https://hdl.handle.net/21.15107/rcub_cer_6522
ER  - 

@conference{
author = "Stevanović, Gordana and Ajduković, Marija and Jović-Jovičić, Nataša and Marinović, Sanja and Pantić, Biljana and Banković, Predrag and Mudrinić, Tihana",
year = "2023",
abstract = "Seawater electrolysis has recently been recognized as a new hope for affordable renewable
energy storage. However, its practical application is still limited due to the presence of
various electroactive ions in seawater. For example, the chloride ions compete with the
oxygen evolution reaction (OER) causing low efficiency of the OER, and corrosion of both
the anode and the cathode. To overcome these issues, the development of catalysts with high
activity and selectivity towards OER is of primary importance.Herein, Co supported
chitosan–derived carbon–smectite nanocomposite (Co/cCh-S) was tested as an electrocatalyst
for the OER in alkaline and simulated alkaline seawater solution. Co/cCh-S was previously
synthetized using impregnation–carbonization method at 400 °C in an inert atmosphere and
characterized in detail. The electrochemical performance of Co/cCh-S modified GCE was
studied by cyclic voltammetry, linear sweep voltammetry, and electrochemical impedance
spectroscopy. According to the obtained values for onset potential, overpotential, and Tafel
slope, the Co/cCh-S electrode could be considered a good electrocatalyst for OER in an
alkaline solution. Moreover, no noticeable change in the performance of the Co/cCh-S
electrode was observed in the presence of chloride ions. This work could be a starting point
for designing an inexpensive, earth-abundant OER catalyst for seawater electrolysis.",
publisher = "Serbian Ceramic Society",
journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia",
title = "Co supported chitosan–derived carbon–smectite–catalyst for oxygen evolution reaction in simulated alkaline seawater solution",
pages = "77-77",
url = "https://hdl.handle.net/21.15107/rcub_cer_6522"
}

Stevanović, G., Ajduković, M., Jović-Jovičić, N., Marinović, S., Pantić, B., Banković, P.,& Mudrinić, T.. (2023). Co supported chitosan–derived carbon–smectite–catalyst for oxygen evolution reaction in simulated alkaline seawater solution. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia
Serbian Ceramic Society., 77-77.
https://hdl.handle.net/21.15107/rcub_cer_6522

Stevanović G, Ajduković M, Jović-Jovičić N, Marinović S, Pantić B, Banković P, Mudrinić T. Co supported chitosan–derived carbon–smectite–catalyst for oxygen evolution reaction in simulated alkaline seawater solution. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:77-77.
https://hdl.handle.net/21.15107/rcub_cer_6522 .

Stevanović, Gordana, Ajduković, Marija, Jović-Jovičić, Nataša, Marinović, Sanja, Pantić, Biljana, Banković, Predrag, Mudrinić, Tihana, "Co supported chitosan–derived carbon–smectite–catalyst for oxygen evolution reaction in simulated alkaline seawater solution" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):77-77,
https://hdl.handle.net/21.15107/rcub_cer_6522 .

TY  - JOUR
AU  - Ajduković, Marija
AU  - Stevanović, Gordana
AU  - Marinović, Sanja
AU  - Mojović, Zorica
AU  - Banković, Predrag
AU  - Radulović, Katarina
AU  - Jović-Jovičić, Nataša
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6712
AB  - The employment of compounds obtained from natural sources to produce adsorbents and their application in the elimination of antibiotics from industrial effluents have gained significant attention because of their low production cost and sustainability. Herein, chitosan (biopolymer) and smectite (abundant clay mineral) were used for the low-cost and eco-friendly synthesis of a new type of adsorbent. A low-energy-consumption hydrothermal process was applied to the synthesis of the chitosan-derived carbon–smectite nanocomposite with cobalt (H_Co/C-S). The produced nanocomposite was characterized using elemental analysis, ICP-OES, XRPD, low-temperature N2 adsorption–desorption isotherms, FTIR analysis, and point of zero charge. H_Co/C-S (SBET = 0.73 m2 g−1, d001 = 1.40 nm, pHPZC = 5.3) was evaluated as a ciprofloxacin adsorbent in aqueous solution. Experimental data were fitted with different kinetic models and interpreted by selected adsorption isotherms. The pseudo-second-order model was found to be the most appropriate, while ciprofloxacin adsorption onto H_Co/C-S was best described by the Redlich–Peterson isotherm (R2 = 0.985). The maximum adsorption capacity of H_Co/C-S, according to the Langmuir isotherm (R2 = 0.977), was 72.3 mg g−1. Desorption and thermodynamic studies were performed. The obtained results indicated that the new hierarchically designed H_Co/C-S has promising potential to be further tested for application in real wastewater treatment.
PB  - MDPI
T2  - Water
T1  - Ciprofloxacin Adsorption onto a Smectite–Chitosan-Derived Nanocomposite Obtained by Hydrothermal Synthesis
VL  - 15
IS  - 14
SP  - 2608
DO  - 10.3390/w15142608
ER  - 

@article{
author = "Ajduković, Marija and Stevanović, Gordana and Marinović, Sanja and Mojović, Zorica and Banković, Predrag and Radulović, Katarina and Jović-Jovičić, Nataša",
year = "2023",
abstract = "The employment of compounds obtained from natural sources to produce adsorbents and their application in the elimination of antibiotics from industrial effluents have gained significant attention because of their low production cost and sustainability. Herein, chitosan (biopolymer) and smectite (abundant clay mineral) were used for the low-cost and eco-friendly synthesis of a new type of adsorbent. A low-energy-consumption hydrothermal process was applied to the synthesis of the chitosan-derived carbon–smectite nanocomposite with cobalt (H_Co/C-S). The produced nanocomposite was characterized using elemental analysis, ICP-OES, XRPD, low-temperature N2 adsorption–desorption isotherms, FTIR analysis, and point of zero charge. H_Co/C-S (SBET = 0.73 m2 g−1, d001 = 1.40 nm, pHPZC = 5.3) was evaluated as a ciprofloxacin adsorbent in aqueous solution. Experimental data were fitted with different kinetic models and interpreted by selected adsorption isotherms. The pseudo-second-order model was found to be the most appropriate, while ciprofloxacin adsorption onto H_Co/C-S was best described by the Redlich–Peterson isotherm (R2 = 0.985). The maximum adsorption capacity of H_Co/C-S, according to the Langmuir isotherm (R2 = 0.977), was 72.3 mg g−1. Desorption and thermodynamic studies were performed. The obtained results indicated that the new hierarchically designed H_Co/C-S has promising potential to be further tested for application in real wastewater treatment.",
publisher = "MDPI",
journal = "Water",
title = "Ciprofloxacin Adsorption onto a Smectite–Chitosan-Derived Nanocomposite Obtained by Hydrothermal Synthesis",
volume = "15",
number = "14",
pages = "2608",
doi = "10.3390/w15142608"
}

Ajduković, M., Stevanović, G., Marinović, S., Mojović, Z., Banković, P., Radulović, K.,& Jović-Jovičić, N.. (2023). Ciprofloxacin Adsorption onto a Smectite–Chitosan-Derived Nanocomposite Obtained by Hydrothermal Synthesis. in Water
MDPI., 15(14), 2608.
https://doi.org/10.3390/w15142608

Ajduković M, Stevanović G, Marinović S, Mojović Z, Banković P, Radulović K, Jović-Jovičić N. Ciprofloxacin Adsorption onto a Smectite–Chitosan-Derived Nanocomposite Obtained by Hydrothermal Synthesis. in Water. 2023;15(14):2608.
doi:10.3390/w15142608 .

Ajduković, Marija, Stevanović, Gordana, Marinović, Sanja, Mojović, Zorica, Banković, Predrag, Radulović, Katarina, Jović-Jovičić, Nataša, "Ciprofloxacin Adsorption onto a Smectite–Chitosan-Derived Nanocomposite Obtained by Hydrothermal Synthesis" in Water, 15, no. 14 (2023):2608,
https://doi.org/10.3390/w15142608 . .

TY  - CONF
AU  - Mudrinić, Tihana
AU  - Milovanović, Biljana
AU  - Marinović, Sanja
AU  - Petrović, Srđan
AU  - Krstić, Jugoslav
AU  - Banković, Predrag
AU  - Milutinović Nikolić, Aleksandra
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6359
AB  - In recent years, mineral oxides (i.e. zeolite, alumina and clay minerals)-supported non-precious transition metals have extensively studied as highly promising sustainable and green glucose-sensing materials (Mudrinić, 2019). The reason for that is their low cost, easiness of synthesis, low negative environmental impact, and desirable electrochemical properties toward glucose oxidation. 
It is widely accepted that the catalytic activity of the mineral oxides-supported cobalt is strongly influenced by cobalt-mineral oxide interaction. As a consequence of this interaction different cobalt oxides (Wang, 1991) could be formed: Co3O4-contains both cobalt ions in tetrahedral (Co2+Td) and octahedral (Co3+Oh) coordination and CoAl2O4-contains only Co2+Td. However, little is known about the catalytic activity of these cobalt oxides (i.e. cobalt ions) in the reaction of the electro-oxidation of glucose. 
In this work, cobalt oxides in both tetrahedral (Co2+Td) and octahedral (Co3+Oh) coordination and with only Co2+Td were synthesized on aluminum pillared clay (AP) and alumina (A). The obtained materials were characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and temperature-programmed reduction (TPR). Electrochemical measurements were performed in alkaline solution with and without glucose using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and chronoamperometry (CA). TPR and XPS along with the results of electrochemical measurements in alkaline solutions without glucose confirmed the successful synthesis of the different cobalt oxides on both AP and A. The electrochemical measurements in glucose-containing solutions showed the enhanced electrocatalytic activity of AP and A with Co2+Td in comparison to their counterparts with both Co2+Td and Co3+Oh.  This result suggested that the Co2+Td acted as the main active site for the glucose oxidation.
PB  - The clay mineral society
C3  - Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey
T1  - Electrocatalytic activity of different cobalt oxides supported on mineral oxides toward glucose oxidation
SP  - 331
EP  - 331
UR  - https://hdl.handle.net/21.15107/rcub_cer_6359
ER  - 

@conference{
author = "Mudrinić, Tihana and Milovanović, Biljana and Marinović, Sanja and Petrović, Srđan and Krstić, Jugoslav and Banković, Predrag and Milutinović Nikolić, Aleksandra",
year = "2022",
abstract = "In recent years, mineral oxides (i.e. zeolite, alumina and clay minerals)-supported non-precious transition metals have extensively studied as highly promising sustainable and green glucose-sensing materials (Mudrinić, 2019). The reason for that is their low cost, easiness of synthesis, low negative environmental impact, and desirable electrochemical properties toward glucose oxidation. 
It is widely accepted that the catalytic activity of the mineral oxides-supported cobalt is strongly influenced by cobalt-mineral oxide interaction. As a consequence of this interaction different cobalt oxides (Wang, 1991) could be formed: Co3O4-contains both cobalt ions in tetrahedral (Co2+Td) and octahedral (Co3+Oh) coordination and CoAl2O4-contains only Co2+Td. However, little is known about the catalytic activity of these cobalt oxides (i.e. cobalt ions) in the reaction of the electro-oxidation of glucose. 
In this work, cobalt oxides in both tetrahedral (Co2+Td) and octahedral (Co3+Oh) coordination and with only Co2+Td were synthesized on aluminum pillared clay (AP) and alumina (A). The obtained materials were characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and temperature-programmed reduction (TPR). Electrochemical measurements were performed in alkaline solution with and without glucose using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and chronoamperometry (CA). TPR and XPS along with the results of electrochemical measurements in alkaline solutions without glucose confirmed the successful synthesis of the different cobalt oxides on both AP and A. The electrochemical measurements in glucose-containing solutions showed the enhanced electrocatalytic activity of AP and A with Co2+Td in comparison to their counterparts with both Co2+Td and Co3+Oh.  This result suggested that the Co2+Td acted as the main active site for the glucose oxidation.",
publisher = "The clay mineral society",
journal = "Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey",
title = "Electrocatalytic activity of different cobalt oxides supported on mineral oxides toward glucose oxidation",
pages = "331-331",
url = "https://hdl.handle.net/21.15107/rcub_cer_6359"
}

Mudrinić, T., Milovanović, B., Marinović, S., Petrović, S., Krstić, J., Banković, P.,& Milutinović Nikolić, A.. (2022). Electrocatalytic activity of different cobalt oxides supported on mineral oxides toward glucose oxidation. in Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey
The clay mineral society., 331-331.
https://hdl.handle.net/21.15107/rcub_cer_6359

Mudrinić T, Milovanović B, Marinović S, Petrović S, Krstić J, Banković P, Milutinović Nikolić A. Electrocatalytic activity of different cobalt oxides supported on mineral oxides toward glucose oxidation. in Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey. 2022;:331-331.
https://hdl.handle.net/21.15107/rcub_cer_6359 .

Mudrinić, Tihana, Milovanović, Biljana, Marinović, Sanja, Petrović, Srđan, Krstić, Jugoslav, Banković, Predrag, Milutinović Nikolić, Aleksandra, "Electrocatalytic activity of different cobalt oxides supported on mineral oxides toward glucose oxidation" in Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey (2022):331-331,
https://hdl.handle.net/21.15107/rcub_cer_6359 .

TY  - CONF
AU  - Milovanović, Biljana
AU  - Petrović, Rada
AU  - Marinović, Sanja
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Mudrinić, Tihana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6360
AB  - Aluminum pillared montmorillonite-supported cobalt (Co/AP) has proven to be a suitable non-enzymatic
sensing material (Mudrinić, 2019). Beside low cost, Co/AP exhibited adequate electrocatalytic performance
toward glucose. However, further improvements of electrocatalytic performances are needed, especially
regarding increasing sensitivity and widening the linear range of glucose detection.
In this regard, in addition to the monometallic cobalt oxide catalyst, a series of bimetallic catalysts
supported on AP (Co+Cu/AP, Co+Zn/AP, Co+Fe/AP, and Co+Ni/AP) have been synthesized by the
incipient wetness impregnation method (Pinna, 1998). The total amount of supported metal was fixed at 4
mass%, while cobalt:dopant molar ratio was 9:1 for all samples. The synthesized materials were prepared
in the form of carbon paste electrode (Co+dopant/AP-CPE) with the same mass ratio of Co+dopant/AP to
carbon black (CB) and applied as a working electrode.
All the electrochemical measurements of each Co+dopant/AP-CPE were conducted using an Autolab
PGSTAT302N potentiostat with Nova 2.1 software. The experiments were carried out in a three-electrode
cell with prepared electrodes as working, Ag/AgCl (3 M KCl) as a reference electrode, and platinum rod
as a counter electrode. Electrochemical behavior of the working electrodes for glucose detection was
studied by the cyclic voltammetry and chronoamperometry in alkaline solution, with and without glucose.
Among investigated electrodes for glucose electrooxidation, the Co+Fe/AP-CPE exhibited the highest
current response with the best sensitivity. These very first results indicated a vital role of Fe in enhancing
the glucose-sensing performance of aluminum pillared montmorillonite-supported cobalt. The physical
chemical characterization of all Co+dopant/AP materials is ongoing.
PB  - The clay mineral society
C3  - Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey
T1  - Electrocatalytic behavior of pillared montmorillonite-supported cobalt oxide doped with Cu, Zn, Fe, and Ni for glucose sensing
SP  - 330
EP  - 330
UR  - https://hdl.handle.net/21.15107/rcub_cer_6360
ER  - 

@conference{
author = "Milovanović, Biljana and Petrović, Rada and Marinović, Sanja and Milutinović Nikolić, Aleksandra and Banković, Predrag and Mudrinić, Tihana",
year = "2022",
abstract = "Aluminum pillared montmorillonite-supported cobalt (Co/AP) has proven to be a suitable non-enzymatic
sensing material (Mudrinić, 2019). Beside low cost, Co/AP exhibited adequate electrocatalytic performance
toward glucose. However, further improvements of electrocatalytic performances are needed, especially
regarding increasing sensitivity and widening the linear range of glucose detection.
In this regard, in addition to the monometallic cobalt oxide catalyst, a series of bimetallic catalysts
supported on AP (Co+Cu/AP, Co+Zn/AP, Co+Fe/AP, and Co+Ni/AP) have been synthesized by the
incipient wetness impregnation method (Pinna, 1998). The total amount of supported metal was fixed at 4
mass%, while cobalt:dopant molar ratio was 9:1 for all samples. The synthesized materials were prepared
in the form of carbon paste electrode (Co+dopant/AP-CPE) with the same mass ratio of Co+dopant/AP to
carbon black (CB) and applied as a working electrode.
All the electrochemical measurements of each Co+dopant/AP-CPE were conducted using an Autolab
PGSTAT302N potentiostat with Nova 2.1 software. The experiments were carried out in a three-electrode
cell with prepared electrodes as working, Ag/AgCl (3 M KCl) as a reference electrode, and platinum rod
as a counter electrode. Electrochemical behavior of the working electrodes for glucose detection was
studied by the cyclic voltammetry and chronoamperometry in alkaline solution, with and without glucose.
Among investigated electrodes for glucose electrooxidation, the Co+Fe/AP-CPE exhibited the highest
current response with the best sensitivity. These very first results indicated a vital role of Fe in enhancing
the glucose-sensing performance of aluminum pillared montmorillonite-supported cobalt. The physical
chemical characterization of all Co+dopant/AP materials is ongoing.",
publisher = "The clay mineral society",
journal = "Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey",
title = "Electrocatalytic behavior of pillared montmorillonite-supported cobalt oxide doped with Cu, Zn, Fe, and Ni for glucose sensing",
pages = "330-330",
url = "https://hdl.handle.net/21.15107/rcub_cer_6360"
}

Milovanović, B., Petrović, R., Marinović, S., Milutinović Nikolić, A., Banković, P.,& Mudrinić, T.. (2022). Electrocatalytic behavior of pillared montmorillonite-supported cobalt oxide doped with Cu, Zn, Fe, and Ni for glucose sensing. in Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey
The clay mineral society., 330-330.
https://hdl.handle.net/21.15107/rcub_cer_6360

Milovanović B, Petrović R, Marinović S, Milutinović Nikolić A, Banković P, Mudrinić T. Electrocatalytic behavior of pillared montmorillonite-supported cobalt oxide doped with Cu, Zn, Fe, and Ni for glucose sensing. in Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey. 2022;:330-330.
https://hdl.handle.net/21.15107/rcub_cer_6360 .

Milovanović, Biljana, Petrović, Rada, Marinović, Sanja, Milutinović Nikolić, Aleksandra, Banković, Predrag, Mudrinić, Tihana, "Electrocatalytic behavior of pillared montmorillonite-supported cobalt oxide doped with Cu, Zn, Fe, and Ni for glucose sensing" in Scientific research abstracts - AIPEA - 17th International Clay Conference (ICC 2022), 25-29 July, Istanbul, Turkey (2022):330-330,
https://hdl.handle.net/21.15107/rcub_cer_6360 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Novaković, Tatjana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6285
AB  - Cobalt-doped alumina catalyst was synthetized using the sol-gel method, gelled and calcined at 500 °C. The synthesized material was previously fully characterized. Cobalt-doped alumina was tested as catalysts in an Orange G degradation in the presence of Oxone®. Oxone® is a precursor of radicals and the role of the investigated catalyst was to activate its decomposition. Sulfate ion radicals act as oxidizing species in dye degradation reaction. The influence of the mass of the catalyst and the reaction temperature was investigated. The catalyst mass and temperature increase were beneficial for the dye degradation rate. The pseudo-first order kinetic model was found to be the most appropriate fit for experimentally obtained data. The adsorption of the dye on Co-doped alumina was also tested, and it was found to be negligible. The investigated catalyst was found to be effective for Orange G degradation in the presence of Oxone®.
PB  - Society of Physical Chemists of Serbia
C3  - Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia
T1  - Catalytic properties of cobalt-doped alumina catalyst in oxone® activated degradation of orange G
VL  - I
SP  - 169
EP  - 172
UR  - https://hdl.handle.net/21.15107/rcub_cer_6285
ER  - 

@conference{
author = "Marinović, Sanja and Mudrinić, Tihana and Ajduković, Marija and Jović-Jovičić, Nataša and Banković, Predrag and Novaković, Tatjana",
year = "2022",
abstract = "Cobalt-doped alumina catalyst was synthetized using the sol-gel method, gelled and calcined at 500 °C. The synthesized material was previously fully characterized. Cobalt-doped alumina was tested as catalysts in an Orange G degradation in the presence of Oxone®. Oxone® is a precursor of radicals and the role of the investigated catalyst was to activate its decomposition. Sulfate ion radicals act as oxidizing species in dye degradation reaction. The influence of the mass of the catalyst and the reaction temperature was investigated. The catalyst mass and temperature increase were beneficial for the dye degradation rate. The pseudo-first order kinetic model was found to be the most appropriate fit for experimentally obtained data. The adsorption of the dye on Co-doped alumina was also tested, and it was found to be negligible. The investigated catalyst was found to be effective for Orange G degradation in the presence of Oxone®.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia",
title = "Catalytic properties of cobalt-doped alumina catalyst in oxone® activated degradation of orange G",
volume = "I",
pages = "169-172",
url = "https://hdl.handle.net/21.15107/rcub_cer_6285"
}

Marinović, S., Mudrinić, T., Ajduković, M., Jović-Jovičić, N., Banković, P.,& Novaković, T.. (2022). Catalytic properties of cobalt-doped alumina catalyst in oxone® activated degradation of orange G. in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia
Society of Physical Chemists of Serbia., I, 169-172.
https://hdl.handle.net/21.15107/rcub_cer_6285

Marinović S, Mudrinić T, Ajduković M, Jović-Jovičić N, Banković P, Novaković T. Catalytic properties of cobalt-doped alumina catalyst in oxone® activated degradation of orange G. in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia. 2022;I:169-172.
https://hdl.handle.net/21.15107/rcub_cer_6285 .

Marinović, Sanja, Mudrinić, Tihana, Ajduković, Marija, Jović-Jovičić, Nataša, Banković, Predrag, Novaković, Tatjana, "Catalytic properties of cobalt-doped alumina catalyst in oxone® activated degradation of orange G" in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia, I (2022):169-172,
https://hdl.handle.net/21.15107/rcub_cer_6285 .

TY  - CONF
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Marinović, Sanja
AU  - Stevanović, Gordana
AU  - Mudrinić, Tihana
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6282
AB  - In this work smectite pillared with mixture of aluminium and cobalt poly(hydroxo metal)
cations (Al,Co-PILC) was synthesized and tested as catalyst in degradation of food dye
tartrazine by peroxymonosulfate. The Al,Co-PILC was obtained using a common procedure
consisting of the following steps: grinding, sieving, Na exchange, intercalation, drying and
calcination. Co2+ to (Al3++Co2+) molar ratios in the pillaring solution was 10%. Catalytic tests
were carried out in a semibatch reactor under stirring and constant temperature maintained by
circulation of thermostatic fluid using Julabo MC 4 heating circulator. Initial dye
concentration was 50 ppm in the presence of excess of peroxymonosulfate. Decolorization of
tartrazine solution was monitored using UV-Vis spectrophotometry at  max= 426 nm. The
influence of the mass of the catalyst and reaction temperature was investigated.
Catalyst mass and temperature increase were beneficial for dye degradation rate. The catalytic
process at 30 ºC reached 97% for 120 min and besides decolorization included further
degradation of products of tartrazine oxidation. At 50 ºC complete decolorization occurred for
only 30 min. This work showed that application of smectite pillared with mixture of aluminium and cobalt poly(hydroxo metal) cations as peroxymonosulfate activators for
degradation of water pollutants is very promising.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
T1  - The evaluation of mixed Al,Co pillared catalyst in degradation of tartrazine dye in presence of peroxymonosulfate
SP  - 95
EP  - 96
UR  - https://hdl.handle.net/21.15107/rcub_cer_6282
ER  - 

@conference{
author = "Ajduković, Marija and Jović-Jovičić, Nataša and Marinović, Sanja and Stevanović, Gordana and Mudrinić, Tihana and Milutinović Nikolić, Aleksandra and Banković, Predrag",
year = "2022",
abstract = "In this work smectite pillared with mixture of aluminium and cobalt poly(hydroxo metal)
cations (Al,Co-PILC) was synthesized and tested as catalyst in degradation of food dye
tartrazine by peroxymonosulfate. The Al,Co-PILC was obtained using a common procedure
consisting of the following steps: grinding, sieving, Na exchange, intercalation, drying and
calcination. Co2+ to (Al3++Co2+) molar ratios in the pillaring solution was 10%. Catalytic tests
were carried out in a semibatch reactor under stirring and constant temperature maintained by
circulation of thermostatic fluid using Julabo MC 4 heating circulator. Initial dye
concentration was 50 ppm in the presence of excess of peroxymonosulfate. Decolorization of
tartrazine solution was monitored using UV-Vis spectrophotometry at  max= 426 nm. The
influence of the mass of the catalyst and reaction temperature was investigated.
Catalyst mass and temperature increase were beneficial for dye degradation rate. The catalytic
process at 30 ºC reached 97% for 120 min and besides decolorization included further
degradation of products of tartrazine oxidation. At 50 ºC complete decolorization occurred for
only 30 min. This work showed that application of smectite pillared with mixture of aluminium and cobalt poly(hydroxo metal) cations as peroxymonosulfate activators for
degradation of water pollutants is very promising.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia",
title = "The evaluation of mixed Al,Co pillared catalyst in degradation of tartrazine dye in presence of peroxymonosulfate",
pages = "95-96",
url = "https://hdl.handle.net/21.15107/rcub_cer_6282"
}

Ajduković, M., Jović-Jovičić, N., Marinović, S., Stevanović, G., Mudrinić, T., Milutinović Nikolić, A.,& Banković, P.. (2022). The evaluation of mixed Al,Co pillared catalyst in degradation of tartrazine dye in presence of peroxymonosulfate. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
Serbian Ceramic Society., 95-96.
https://hdl.handle.net/21.15107/rcub_cer_6282

Ajduković M, Jović-Jovičić N, Marinović S, Stevanović G, Mudrinić T, Milutinović Nikolić A, Banković P. The evaluation of mixed Al,Co pillared catalyst in degradation of tartrazine dye in presence of peroxymonosulfate. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia. 2022;:95-96.
https://hdl.handle.net/21.15107/rcub_cer_6282 .

Ajduković, Marija, Jović-Jovičić, Nataša, Marinović, Sanja, Stevanović, Gordana, Mudrinić, Tihana, Milutinović Nikolić, Aleksandra, Banković, Predrag, "The evaluation of mixed Al,Co pillared catalyst in degradation of tartrazine dye in presence of peroxymonosulfate" in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia (2022):95-96,
https://hdl.handle.net/21.15107/rcub_cer_6282 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Jović-Jovičić, Nataša
AU  - Mudrinić, Tihana
AU  - Stevanović, Gordana
AU  - Milovanović, Biljana
AU  - Banković, Predrag
AU  - Ajduković, Marija
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6280
AB  - Mixed Al, Fe pillared clay (AlFePILC) was synthesized from Na-exchanged Wyoming clay
(Na-Wy) rich in montmorillonite. In the pillaring process Na-Wy was modified with a mixed
intercalating (Al, Fe) solution with molar ratio of Fe3+/(Al3++Fe3+) = 10%. The obtained
AlFePILC was impregnated with cobalt using the incipient wetness impregnation method,
dried at 110 ºC and calcined at 450 ºC (Co-AlFePILC). Co-AlFePILC was tested as a catalyst
in catalytic oxidation of tartrazine in the presence of Oxone®. Decolorization was monitored
at wavelength  =426 nm, while degradation of aryl groups was followed at  =257 nm using
UV-Vis spectroscopy. The influence of the mass of the catalyst on degradation process was followed in the mass range from 10 mg to 50 mg at 30 °C. It was found that mass increase
was beneficial for the decolorization rate. The effect of temperature was investigated from 30
ºC to 60 ºC. The decolorization was over 90% after only 10 minutes for the temperature of 60
ºC, while with the temperature decrease, the decolorization rate decreased. Co-AlFePILC was
found to be an efficient catalyst in degradation of tartrazine in the presence of Oxone®.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
T1  - Cobalt impregnated mixed Al, Fe-pillared montmorillonite as a catalyst for decolorization of tartrazine in the reaction with Oxone®
SP  - 66
EP  - 67
UR  - https://hdl.handle.net/21.15107/rcub_cer_6280
ER  - 

@conference{
author = "Marinović, Sanja and Jović-Jovičić, Nataša and Mudrinić, Tihana and Stevanović, Gordana and Milovanović, Biljana and Banković, Predrag and Ajduković, Marija",
year = "2022",
abstract = "Mixed Al, Fe pillared clay (AlFePILC) was synthesized from Na-exchanged Wyoming clay
(Na-Wy) rich in montmorillonite. In the pillaring process Na-Wy was modified with a mixed
intercalating (Al, Fe) solution with molar ratio of Fe3+/(Al3++Fe3+) = 10%. The obtained
AlFePILC was impregnated with cobalt using the incipient wetness impregnation method,
dried at 110 ºC and calcined at 450 ºC (Co-AlFePILC). Co-AlFePILC was tested as a catalyst
in catalytic oxidation of tartrazine in the presence of Oxone®. Decolorization was monitored
at wavelength  =426 nm, while degradation of aryl groups was followed at  =257 nm using
UV-Vis spectroscopy. The influence of the mass of the catalyst on degradation process was followed in the mass range from 10 mg to 50 mg at 30 °C. It was found that mass increase
was beneficial for the decolorization rate. The effect of temperature was investigated from 30
ºC to 60 ºC. The decolorization was over 90% after only 10 minutes for the temperature of 60
ºC, while with the temperature decrease, the decolorization rate decreased. Co-AlFePILC was
found to be an efficient catalyst in degradation of tartrazine in the presence of Oxone®.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia",
title = "Cobalt impregnated mixed Al, Fe-pillared montmorillonite as a catalyst for decolorization of tartrazine in the reaction with Oxone®",
pages = "66-67",
url = "https://hdl.handle.net/21.15107/rcub_cer_6280"
}

Marinović, S., Jović-Jovičić, N., Mudrinić, T., Stevanović, G., Milovanović, B., Banković, P.,& Ajduković, M.. (2022). Cobalt impregnated mixed Al, Fe-pillared montmorillonite as a catalyst for decolorization of tartrazine in the reaction with Oxone®. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
Serbian Ceramic Society., 66-67.
https://hdl.handle.net/21.15107/rcub_cer_6280

Marinović S, Jović-Jovičić N, Mudrinić T, Stevanović G, Milovanović B, Banković P, Ajduković M. Cobalt impregnated mixed Al, Fe-pillared montmorillonite as a catalyst for decolorization of tartrazine in the reaction with Oxone®. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia. 2022;:66-67.
https://hdl.handle.net/21.15107/rcub_cer_6280 .

Marinović, Sanja, Jović-Jovičić, Nataša, Mudrinić, Tihana, Stevanović, Gordana, Milovanović, Biljana, Banković, Predrag, Ajduković, Marija, "Cobalt impregnated mixed Al, Fe-pillared montmorillonite as a catalyst for decolorization of tartrazine in the reaction with Oxone®" in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia (2022):66-67,
https://hdl.handle.net/21.15107/rcub_cer_6280 .

TY  - CONF
AU  - Ilić, Irena
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Ajduković, Marija
AU  - Marinović, Sanja
AU  - Jović-Jovičić, Nataša
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6279
AB  - Kinetic and thermodynamic parameters of nicotine adsorption onto acid-activated standard
Wyoming clay were investigated to obtain the optimum conditions for adsorption. The
nicotine adsorptions were performed in a batch system, using 0.75 mM solution of nicotine,
the mass of adsorbent of 25 mg at native pH=9.26, in temperature range from 25°C – 60 °C.
The pseudo-first (PFO) and pseudo-second kinetics (PSO) models in both linear and nonlinear
forms were apied for experimental data in the temperature range 25 °C – 60 °C. Error
analysis parameters such as correlation coefficient (R2) and  2 (chi-square) have been used to
determine the best kinetics interpretations of adsorption data. The analyzed parameters
suggested that nicotine adsorption can be best described by tested models in the following
order: non-linear PSO = linear PSO >non-linear PFO>linear PFO. The Weber-Morris intraparticle
diffusion model was applied in order to predict the rate-limiting step. The calculated
values for Cid were in the range 0.452 mmol g-1 to 0.484 mmol g-1, indicating effective role of
the boundary layer on the adsorption rate. Thermodynamic study revealed that nicotine
adsorption i\ \]  Q    K\  ¡G°=-18.93 kJ mol-1) physisorpton process with calculated value
of enthalpy change of 4.99 kJ mol-1 and activation energy of 21.95 kJ mol-1.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
T1  - Thermodynamic and kinetic study of nicotine adsorption on acid-modified smectite
SP  - 66
EP  - 66
UR  - https://hdl.handle.net/21.15107/rcub_cer_6279
ER  - 

@conference{
author = "Ilić, Irena and Milutinović Nikolić, Aleksandra and Banković, Predrag and Ajduković, Marija and Marinović, Sanja and Jović-Jovičić, Nataša",
year = "2022",
abstract = "Kinetic and thermodynamic parameters of nicotine adsorption onto acid-activated standard
Wyoming clay were investigated to obtain the optimum conditions for adsorption. The
nicotine adsorptions were performed in a batch system, using 0.75 mM solution of nicotine,
the mass of adsorbent of 25 mg at native pH=9.26, in temperature range from 25°C – 60 °C.
The pseudo-first (PFO) and pseudo-second kinetics (PSO) models in both linear and nonlinear
forms were apied for experimental data in the temperature range 25 °C – 60 °C. Error
analysis parameters such as correlation coefficient (R2) and  2 (chi-square) have been used to
determine the best kinetics interpretations of adsorption data. The analyzed parameters
suggested that nicotine adsorption can be best described by tested models in the following
order: non-linear PSO = linear PSO >non-linear PFO>linear PFO. The Weber-Morris intraparticle
diffusion model was applied in order to predict the rate-limiting step. The calculated
values for Cid were in the range 0.452 mmol g-1 to 0.484 mmol g-1, indicating effective role of
the boundary layer on the adsorption rate. Thermodynamic study revealed that nicotine
adsorption i\ \]  Q    K\  ¡G°=-18.93 kJ mol-1) physisorpton process with calculated value
of enthalpy change of 4.99 kJ mol-1 and activation energy of 21.95 kJ mol-1.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia",
title = "Thermodynamic and kinetic study of nicotine adsorption on acid-modified smectite",
pages = "66-66",
url = "https://hdl.handle.net/21.15107/rcub_cer_6279"
}

Ilić, I., Milutinović Nikolić, A., Banković, P., Ajduković, M., Marinović, S.,& Jović-Jovičić, N.. (2022). Thermodynamic and kinetic study of nicotine adsorption on acid-modified smectite. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
Serbian Ceramic Society., 66-66.
https://hdl.handle.net/21.15107/rcub_cer_6279

Ilić I, Milutinović Nikolić A, Banković P, Ajduković M, Marinović S, Jović-Jovičić N. Thermodynamic and kinetic study of nicotine adsorption on acid-modified smectite. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia. 2022;:66-66.
https://hdl.handle.net/21.15107/rcub_cer_6279 .

Ilić, Irena, Milutinović Nikolić, Aleksandra, Banković, Predrag, Ajduković, Marija, Marinović, Sanja, Jović-Jovičić, Nataša, "Thermodynamic and kinetic study of nicotine adsorption on acid-modified smectite" in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia (2022):66-66,
https://hdl.handle.net/21.15107/rcub_cer_6279 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Milovanović, Biljana
AU  - Stevanović, Gordana
AU  - Milutinović Nikolić, Aleksandra
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6284
AB  - The 2 μm fraction of Wyoming clay rich in montmorillonite was pillared with aluminum. Obtained pillared clay was impregnated with different cobalt loadings using the incipient wetness impregnation method followed by calcination at 450 °C. The obtained materials were previously fully characterized. The synthesized materials were investigated as catalysts in catalytic oxidation of organic water pollutant, tartrazine, in the presence of Oxone®. Oxone® was a precursor of sulfate anion radicals. The effect of the different cobalt loadings on the reaction kinetics was investigated. The pseudo-first order kinetic model was found to be the most appropriate to fit the experimental data of all investigated catalysts under defined experimental conditions. The presence of Co3O4 as defined crystalline phase reduces the efficiency of cobalt-supported aluminum pillared clay in Oxone® activation and consequently oxidative tartrazine degradation.
PB  - Society of Physical Chemists of Serbia
C3  - Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia
T1  - Effect of different cobalt loadings on the kinetic performance of cobalt-supported aluminum pillared clay towards tartrazine degradation
VL  - I
SP  - 165
EP  - 168
UR  - https://hdl.handle.net/21.15107/rcub_cer_6284
ER  - 

@conference{
author = "Marinović, Sanja and Mudrinić, Tihana and Milovanović, Biljana and Stevanović, Gordana and Milutinović Nikolić, Aleksandra",
year = "2022",
abstract = "The 2 μm fraction of Wyoming clay rich in montmorillonite was pillared with aluminum. Obtained pillared clay was impregnated with different cobalt loadings using the incipient wetness impregnation method followed by calcination at 450 °C. The obtained materials were previously fully characterized. The synthesized materials were investigated as catalysts in catalytic oxidation of organic water pollutant, tartrazine, in the presence of Oxone®. Oxone® was a precursor of sulfate anion radicals. The effect of the different cobalt loadings on the reaction kinetics was investigated. The pseudo-first order kinetic model was found to be the most appropriate to fit the experimental data of all investigated catalysts under defined experimental conditions. The presence of Co3O4 as defined crystalline phase reduces the efficiency of cobalt-supported aluminum pillared clay in Oxone® activation and consequently oxidative tartrazine degradation.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia",
title = "Effect of different cobalt loadings on the kinetic performance of cobalt-supported aluminum pillared clay towards tartrazine degradation",
volume = "I",
pages = "165-168",
url = "https://hdl.handle.net/21.15107/rcub_cer_6284"
}

Marinović, S., Mudrinić, T., Milovanović, B., Stevanović, G.,& Milutinović Nikolić, A.. (2022). Effect of different cobalt loadings on the kinetic performance of cobalt-supported aluminum pillared clay towards tartrazine degradation. in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia
Society of Physical Chemists of Serbia., I, 165-168.
https://hdl.handle.net/21.15107/rcub_cer_6284

Marinović S, Mudrinić T, Milovanović B, Stevanović G, Milutinović Nikolić A. Effect of different cobalt loadings on the kinetic performance of cobalt-supported aluminum pillared clay towards tartrazine degradation. in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia. 2022;I:165-168.
https://hdl.handle.net/21.15107/rcub_cer_6284 .

Marinović, Sanja, Mudrinić, Tihana, Milovanović, Biljana, Stevanović, Gordana, Milutinović Nikolić, Aleksandra, "Effect of different cobalt loadings on the kinetic performance of cobalt-supported aluminum pillared clay towards tartrazine degradation" in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia, I (2022):165-168,
https://hdl.handle.net/21.15107/rcub_cer_6284 .

TY  - CONF
AU  - Milovanović, Biljana
AU  - Marinović, Sanja
AU  - Milutinović Nikolić, Aleksandra
AU  - Petrović, Rada
AU  - Stevanović, Gordana
AU  - Banković, Predrag
AU  - Mudrinić, Tihana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6281
AB  - Our previous study demonstrated that cobalt content strongly affected the electro-activity of
aluminum pillared clay-supported cobalt (CoAP) toward glucose oxidation. It was found that
the electro-activity of CoAP increased with the increase of cobalt loading. However, at the 10
wt.% of cobalt content, the electro-activity significantly decreased. In the present study, the
focus is on the investigation of the nature of the surface sites that might cause the difference
in the electro-activity of CoAP. For this purpose, CoAP with 3 wt.% and 10 wt.% cobalt
contents (x%CoAP, x=3 and 10) were characterized using FE-SEM and HR-TEM with EDX
techniques, and XPS. The microscopic techniques coupled with EDX have shown that cobalt
oxide nanoparticles were evenly distributed in both samples. However, the higher cobalt
loading resulted in cobalt oxide agglomeration that led to larger particle sizes. The results of
XPS confirmed the presence of Co (II) in the 3%CoAP. On the other hand, the presence of
Co3O4 which contains both Co (II) and Co (III) was confirmed in 10%CoAP. It is clear from
this study that the electro-activity of CoAP strongly depends on the oxidation state of cobalt.
However, the effect of agglomeration and cobalt oxide particle sizes cannot be ruled out.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
T1  - Surface characterization of aluminum pillared clay-supported cobalt
SP  - 68
EP  - 68
UR  - https://hdl.handle.net/21.15107/rcub_cer_6281
ER  - 

@conference{
author = "Milovanović, Biljana and Marinović, Sanja and Milutinović Nikolić, Aleksandra and Petrović, Rada and Stevanović, Gordana and Banković, Predrag and Mudrinić, Tihana",
year = "2022",
abstract = "Our previous study demonstrated that cobalt content strongly affected the electro-activity of
aluminum pillared clay-supported cobalt (CoAP) toward glucose oxidation. It was found that
the electro-activity of CoAP increased with the increase of cobalt loading. However, at the 10
wt.% of cobalt content, the electro-activity significantly decreased. In the present study, the
focus is on the investigation of the nature of the surface sites that might cause the difference
in the electro-activity of CoAP. For this purpose, CoAP with 3 wt.% and 10 wt.% cobalt
contents (x%CoAP, x=3 and 10) were characterized using FE-SEM and HR-TEM with EDX
techniques, and XPS. The microscopic techniques coupled with EDX have shown that cobalt
oxide nanoparticles were evenly distributed in both samples. However, the higher cobalt
loading resulted in cobalt oxide agglomeration that led to larger particle sizes. The results of
XPS confirmed the presence of Co (II) in the 3%CoAP. On the other hand, the presence of
Co3O4 which contains both Co (II) and Co (III) was confirmed in 10%CoAP. It is clear from
this study that the electro-activity of CoAP strongly depends on the oxidation state of cobalt.
However, the effect of agglomeration and cobalt oxide particle sizes cannot be ruled out.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia",
title = "Surface characterization of aluminum pillared clay-supported cobalt",
pages = "68-68",
url = "https://hdl.handle.net/21.15107/rcub_cer_6281"
}

Milovanović, B., Marinović, S., Milutinović Nikolić, A., Petrović, R., Stevanović, G., Banković, P.,& Mudrinić, T.. (2022). Surface characterization of aluminum pillared clay-supported cobalt. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia
Serbian Ceramic Society., 68-68.
https://hdl.handle.net/21.15107/rcub_cer_6281

Milovanović B, Marinović S, Milutinović Nikolić A, Petrović R, Stevanović G, Banković P, Mudrinić T. Surface characterization of aluminum pillared clay-supported cobalt. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia. 2022;:68-68.
https://hdl.handle.net/21.15107/rcub_cer_6281 .

Milovanović, Biljana, Marinović, Sanja, Milutinović Nikolić, Aleksandra, Petrović, Rada, Stevanović, Gordana, Banković, Predrag, Mudrinić, Tihana, "Surface characterization of aluminum pillared clay-supported cobalt" in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application X, 26-27th September 2022, Belgrade, Serbia (2022):68-68,
https://hdl.handle.net/21.15107/rcub_cer_6281 .

TY  - JOUR
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Milovanović, Biljana
AU  - Jović-Jovičić, Nataša
AU  - Ajduković, Marija
AU  - Banković, Predrag
AU  - Milutinović Nikolić, Aleksandra
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5569
AB  - A series of aluminum pillared montmorillonite impregnated with different cobalt loadings (1–10) mass% were investigated as catalysts in oxidative degradation of organic water pollutant, model azo dye (tartrazine), in the presence of Oxone®. Oxone® has potassium monopersulfate as an active component which is a precursor of sulfate anion radicals. With the increase of cobalt loading up to 4 mass% the efficiency of catalysts increased. The catalytic tests revealed that the sample impregnated with 4 mass% of cobalt had the best catalytic activity within investigated series. The presence of a new cobalt-containing phase was identified in samples impregnated with 5 mass% and 10 mass% of cobalt. This finding indicated that although these samples had a higher content of catalytically active component i.e., cobalt, the presence of a new cobalt phase was less favorable for Oxone® activation and formation of sulfate anion radicals. The effect of the different cobalt loading on the reaction kinetics was investigated. The pseudo-first-order kinetic model was found to be the most appropriate to fit the experimental data for all investigated catalysts under defined experimental conditions. Both decolorization and degradation of aryl moieties had the highest pseudo-first-order rate constant for catalyst impregnated with 4 mass% of cobalt.
PB  - Springer
T2  - Reaction Kinetics, Mechanisms and Catalysis
T1  - The influence of cobalt loading in cobalt-supported aluminum pillared montmorillonite on the kinetic of Oxone® activated oxidative degradation of tartrazine
DO  - 10.1007/s11144-022-02338-z
ER  - 

@article{
author = "Marinović, Sanja and Mudrinić, Tihana and Milovanović, Biljana and Jović-Jovičić, Nataša and Ajduković, Marija and Banković, Predrag and Milutinović Nikolić, Aleksandra",
year = "2022",
abstract = "A series of aluminum pillared montmorillonite impregnated with different cobalt loadings (1–10) mass% were investigated as catalysts in oxidative degradation of organic water pollutant, model azo dye (tartrazine), in the presence of Oxone®. Oxone® has potassium monopersulfate as an active component which is a precursor of sulfate anion radicals. With the increase of cobalt loading up to 4 mass% the efficiency of catalysts increased. The catalytic tests revealed that the sample impregnated with 4 mass% of cobalt had the best catalytic activity within investigated series. The presence of a new cobalt-containing phase was identified in samples impregnated with 5 mass% and 10 mass% of cobalt. This finding indicated that although these samples had a higher content of catalytically active component i.e., cobalt, the presence of a new cobalt phase was less favorable for Oxone® activation and formation of sulfate anion radicals. The effect of the different cobalt loading on the reaction kinetics was investigated. The pseudo-first-order kinetic model was found to be the most appropriate to fit the experimental data for all investigated catalysts under defined experimental conditions. Both decolorization and degradation of aryl moieties had the highest pseudo-first-order rate constant for catalyst impregnated with 4 mass% of cobalt.",
publisher = "Springer",
journal = "Reaction Kinetics, Mechanisms and Catalysis",
title = "The influence of cobalt loading in cobalt-supported aluminum pillared montmorillonite on the kinetic of Oxone® activated oxidative degradation of tartrazine",
doi = "10.1007/s11144-022-02338-z"
}

Marinović, S., Mudrinić, T., Milovanović, B., Jović-Jovičić, N., Ajduković, M., Banković, P.,& Milutinović Nikolić, A.. (2022). The influence of cobalt loading in cobalt-supported aluminum pillared montmorillonite on the kinetic of Oxone® activated oxidative degradation of tartrazine. in Reaction Kinetics, Mechanisms and Catalysis
Springer..
https://doi.org/10.1007/s11144-022-02338-z

Marinović S, Mudrinić T, Milovanović B, Jović-Jovičić N, Ajduković M, Banković P, Milutinović Nikolić A. The influence of cobalt loading in cobalt-supported aluminum pillared montmorillonite on the kinetic of Oxone® activated oxidative degradation of tartrazine. in Reaction Kinetics, Mechanisms and Catalysis. 2022;.
doi:10.1007/s11144-022-02338-z .

Marinović, Sanja, Mudrinić, Tihana, Milovanović, Biljana, Jović-Jovičić, Nataša, Ajduković, Marija, Banković, Predrag, Milutinović Nikolić, Aleksandra, "The influence of cobalt loading in cobalt-supported aluminum pillared montmorillonite on the kinetic of Oxone® activated oxidative degradation of tartrazine" in Reaction Kinetics, Mechanisms and Catalysis (2022),
https://doi.org/10.1007/s11144-022-02338-z . .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Jović-Jovičić, Nataša
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Pavlović, Stefan
AU  - Marinović, Sanja
AU  - Ajduković, Marija
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5306
AB  - Catalytic advanced oxidative degradation of organic pollutants in water is a promising technique for the purification of industrial effluents. Cobalt-based catalysts wa proven to be very efficient in peroxymonosulfate activation and generation of SO4•− radicals, species with high oxidative potential [1]. This work, for the first time, reports the hydrothermal procedure in the synthesis of cobalt-containing chitosan-derived carbon-smectite catalyst. The obtained catalyst was used for activation of Oxone® (potassium peroxymonosulfate). Activated Oxone® was applied in catalytic degradation of toxic textile dye - Orange G dye, that was used as a model of the water pollutant. Based on the presented results, the catalyst can be considered as an eco-friendly catalyst that was evaluated as highly efficient in the process of the oxidative degradation of selected organic dye, and potentially for a variety of water pollutants.
C3  - 2nd International Conference On Green Energy And Environmental Technology
T1  - Evaluation of hydrothermally synthesized green Co-carbon-smectite catalyst for oxidative degradation of dye in the presence of Oxone ®
SP  - 29
UR  - https://hdl.handle.net/21.15107/rcub_cer_5306
ER  - 

@conference{
author = "Stevanović, Gordana and Jović-Jovičić, Nataša and Milutinović Nikolić, Aleksandra and Banković, Predrag and Pavlović, Stefan and Marinović, Sanja and Ajduković, Marija",
year = "2022",
abstract = "Catalytic advanced oxidative degradation of organic pollutants in water is a promising technique for the purification of industrial effluents. Cobalt-based catalysts wa proven to be very efficient in peroxymonosulfate activation and generation of SO4•− radicals, species with high oxidative potential [1]. This work, for the first time, reports the hydrothermal procedure in the synthesis of cobalt-containing chitosan-derived carbon-smectite catalyst. The obtained catalyst was used for activation of Oxone® (potassium peroxymonosulfate). Activated Oxone® was applied in catalytic degradation of toxic textile dye - Orange G dye, that was used as a model of the water pollutant. Based on the presented results, the catalyst can be considered as an eco-friendly catalyst that was evaluated as highly efficient in the process of the oxidative degradation of selected organic dye, and potentially for a variety of water pollutants.",
journal = "2nd International Conference On Green Energy And Environmental Technology",
title = "Evaluation of hydrothermally synthesized green Co-carbon-smectite catalyst for oxidative degradation of dye in the presence of Oxone ®",
pages = "29",
url = "https://hdl.handle.net/21.15107/rcub_cer_5306"
}

Stevanović, G., Jović-Jovičić, N., Milutinović Nikolić, A., Banković, P., Pavlović, S., Marinović, S.,& Ajduković, M.. (2022). Evaluation of hydrothermally synthesized green Co-carbon-smectite catalyst for oxidative degradation of dye in the presence of Oxone ®. in 2nd International Conference On Green Energy And Environmental Technology, 29.
https://hdl.handle.net/21.15107/rcub_cer_5306

Stevanović G, Jović-Jovičić N, Milutinović Nikolić A, Banković P, Pavlović S, Marinović S, Ajduković M. Evaluation of hydrothermally synthesized green Co-carbon-smectite catalyst for oxidative degradation of dye in the presence of Oxone ®. in 2nd International Conference On Green Energy And Environmental Technology. 2022;:29.
https://hdl.handle.net/21.15107/rcub_cer_5306 .

Stevanović, Gordana, Jović-Jovičić, Nataša, Milutinović Nikolić, Aleksandra, Banković, Predrag, Pavlović, Stefan, Marinović, Sanja, Ajduković, Marija, "Evaluation of hydrothermally synthesized green Co-carbon-smectite catalyst for oxidative degradation of dye in the presence of Oxone ®" in 2nd International Conference On Green Energy And Environmental Technology (2022):29,
https://hdl.handle.net/21.15107/rcub_cer_5306 .

TY  - JOUR
AU  - Milovanović, Biljana
AU  - Marinović, Sanja
AU  - Vuković, Zorica
AU  - Milutinović Nikolić, Aleksandra
AU  - Petrović, Rada
AU  - Banković, Predrag
AU  - Mudrinić, Tihana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5246
AB  - In this paper, the influence of cobalt loading in pillared clay-supported cobalt materials on their electrocatalytic performance toward glucose oxidation was investigated. A series of aluminum-pillared montmorillonite clay (AP) materials with different cobalt loadings (x%CoAP, x = 1, 3, 5, and 10 wt%) was synthesized using the incipient wetness impregnation method. The X-ray powder diffraction (XRPD), inductively coupled plasma optical emission spectroscopy (ICP-OES), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy coupled with energy dispersive X-ray spectrometry (FE-SEM/EDX), high resolution transmission electron microscopy (HR-TEM) coupled with EDX, X-ray photoelectron spectroscopy (XPS), and low temperature N2 physisorption, were employed for characterization of the materials. The incorporation of cobalt in porous structure of pillared montmorillonite was confirmed. The synthesized materials (x%CoAP) were used for modification of carbon paste (CP) electrode and tested in reaction of glucose electrooxidation. The electrochemical measurements were conducted using cyclic voltammetry and chronoamperometry in a 1 M NaOH solution, with or without glucose. The results showed that the increase of cobalt loading improved the electrode performance toward glucose. The highest current response and sensitivity were obtained for the CP-5%CoAP electrode. A lower electrode performance of CP-10%CoAP was correlated with the presence of higher quantities of Co3O4 (confirmed by XRPD and XPS) in the electrode material. The mechanism and kinetics of glucose electrooxidation was studied in more details for the best performing electrode (CP-5%CoAP). It was found that the process was diffusion-controlled and the diffusion coefficient was determined. The charge transfer coefficient and catalytic rate constant were calculated. The electrode exhibited satisfactory repeatability, reproducibility, stability, and selectivity. The obtained results showed that appropriate amount of cobalt loading in pillared clay led to the obtainment of non-enzymatic electrode materials suitable for sustainable and green glucose sensors.
PB  - Elsevier
T2  - Journal of Electroanalytical Chemistry
T1  - The influence of cobalt loading on electrocatalytic performance toward glucose oxidation of pillared montmorillonite-supported cobalt
VL  - 915
SP  - 116332
DO  - 10.1016/j.jelechem.2022.116332
ER  - 

@article{
author = "Milovanović, Biljana and Marinović, Sanja and Vuković, Zorica and Milutinović Nikolić, Aleksandra and Petrović, Rada and Banković, Predrag and Mudrinić, Tihana",
year = "2022",
abstract = "In this paper, the influence of cobalt loading in pillared clay-supported cobalt materials on their electrocatalytic performance toward glucose oxidation was investigated. A series of aluminum-pillared montmorillonite clay (AP) materials with different cobalt loadings (x%CoAP, x = 1, 3, 5, and 10 wt%) was synthesized using the incipient wetness impregnation method. The X-ray powder diffraction (XRPD), inductively coupled plasma optical emission spectroscopy (ICP-OES), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy coupled with energy dispersive X-ray spectrometry (FE-SEM/EDX), high resolution transmission electron microscopy (HR-TEM) coupled with EDX, X-ray photoelectron spectroscopy (XPS), and low temperature N2 physisorption, were employed for characterization of the materials. The incorporation of cobalt in porous structure of pillared montmorillonite was confirmed. The synthesized materials (x%CoAP) were used for modification of carbon paste (CP) electrode and tested in reaction of glucose electrooxidation. The electrochemical measurements were conducted using cyclic voltammetry and chronoamperometry in a 1 M NaOH solution, with or without glucose. The results showed that the increase of cobalt loading improved the electrode performance toward glucose. The highest current response and sensitivity were obtained for the CP-5%CoAP electrode. A lower electrode performance of CP-10%CoAP was correlated with the presence of higher quantities of Co3O4 (confirmed by XRPD and XPS) in the electrode material. The mechanism and kinetics of glucose electrooxidation was studied in more details for the best performing electrode (CP-5%CoAP). It was found that the process was diffusion-controlled and the diffusion coefficient was determined. The charge transfer coefficient and catalytic rate constant were calculated. The electrode exhibited satisfactory repeatability, reproducibility, stability, and selectivity. The obtained results showed that appropriate amount of cobalt loading in pillared clay led to the obtainment of non-enzymatic electrode materials suitable for sustainable and green glucose sensors.",
publisher = "Elsevier",
journal = "Journal of Electroanalytical Chemistry",
title = "The influence of cobalt loading on electrocatalytic performance toward glucose oxidation of pillared montmorillonite-supported cobalt",
volume = "915",
pages = "116332",
doi = "10.1016/j.jelechem.2022.116332"
}

Milovanović, B., Marinović, S., Vuković, Z., Milutinović Nikolić, A., Petrović, R., Banković, P.,& Mudrinić, T.. (2022). The influence of cobalt loading on electrocatalytic performance toward glucose oxidation of pillared montmorillonite-supported cobalt. in Journal of Electroanalytical Chemistry
Elsevier., 915, 116332.
https://doi.org/10.1016/j.jelechem.2022.116332

Milovanović B, Marinović S, Vuković Z, Milutinović Nikolić A, Petrović R, Banković P, Mudrinić T. The influence of cobalt loading on electrocatalytic performance toward glucose oxidation of pillared montmorillonite-supported cobalt. in Journal of Electroanalytical Chemistry. 2022;915:116332.
doi:10.1016/j.jelechem.2022.116332 .

Milovanović, Biljana, Marinović, Sanja, Vuković, Zorica, Milutinović Nikolić, Aleksandra, Petrović, Rada, Banković, Predrag, Mudrinić, Tihana, "The influence of cobalt loading on electrocatalytic performance toward glucose oxidation of pillared montmorillonite-supported cobalt" in Journal of Electroanalytical Chemistry, 915 (2022):116332,
https://doi.org/10.1016/j.jelechem.2022.116332 . .

TY  - CONF
AU  - Milovanović, Biljana
AU  - Marinović, Sanja
AU  - Petrović, Rada
AU  - Banković, Predrag
AU  - Mudrinić, Tihana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6283
AB  - This work investigated the kinetics of the glucose oxidation reaction on the carbon paste electrode modified with aluminum pillared clay-supported cobalt (CP-CoAP) in alkaline solution. Cyclic voltammetry and double-step chronoamperometry methods were employed for determining the kinetic parameters such as the charge transfer coefficient, the catalytic rate constant, and the diffusion coefficient. The obtained results confirm that the CP-CoAP can be considered as a competitive electrode material for glucose oxidation.
PB  - Society of Physical Chemists of Serbia
C3  - Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia
T1  - Kinetic study of glucose oxidation reaction on carbon paste electrode modified with pillared clay-supported cobalt
VL  - I
SP  - 141
EP  - 144
UR  - https://hdl.handle.net/21.15107/rcub_cer_6283
ER  - 

@conference{
author = "Milovanović, Biljana and Marinović, Sanja and Petrović, Rada and Banković, Predrag and Mudrinić, Tihana",
year = "2022",
abstract = "This work investigated the kinetics of the glucose oxidation reaction on the carbon paste electrode modified with aluminum pillared clay-supported cobalt (CP-CoAP) in alkaline solution. Cyclic voltammetry and double-step chronoamperometry methods were employed for determining the kinetic parameters such as the charge transfer coefficient, the catalytic rate constant, and the diffusion coefficient. The obtained results confirm that the CP-CoAP can be considered as a competitive electrode material for glucose oxidation.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia",
title = "Kinetic study of glucose oxidation reaction on carbon paste electrode modified with pillared clay-supported cobalt",
volume = "I",
pages = "141-144",
url = "https://hdl.handle.net/21.15107/rcub_cer_6283"
}

Milovanović, B., Marinović, S., Petrović, R., Banković, P.,& Mudrinić, T.. (2022). Kinetic study of glucose oxidation reaction on carbon paste electrode modified with pillared clay-supported cobalt. in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia
Society of Physical Chemists of Serbia., I, 141-144.
https://hdl.handle.net/21.15107/rcub_cer_6283

Milovanović B, Marinović S, Petrović R, Banković P, Mudrinić T. Kinetic study of glucose oxidation reaction on carbon paste electrode modified with pillared clay-supported cobalt. in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia. 2022;I:141-144.
https://hdl.handle.net/21.15107/rcub_cer_6283 .

Milovanović, Biljana, Marinović, Sanja, Petrović, Rada, Banković, Predrag, Mudrinić, Tihana, "Kinetic study of glucose oxidation reaction on carbon paste electrode modified with pillared clay-supported cobalt" in Proceedings - 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2022, September, 26-30, 2022, Belgrade, Serbia, I (2022):141-144,
https://hdl.handle.net/21.15107/rcub_cer_6283 .

TY  - CONF
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ivanović-Šašić, Ana
AU  - Dojčinović, Biljana
AU  - Banković, Predrag
AU  - Novaković, Tatjana
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6287
AB  - In this work cobalt-doped alumina catalysts were synthetized using the sol-gel method. The calcination temperatures were 500 °C, 1000 °C and 1100 °C and the catalysts were denoted as CoA-500, CoA-1000 and CoA-110, respectively. The obtained catalysts were tested as Oxone® activators for the degradation of tartrazine azo-dye. The influence of the mass of catalyst and the reaction temperature was investigated. The catalyst mass and temperature increase were beneficial for the dye degradation rate. All three catalysts were found to be effective for tartrazine degradation in the presence of Oxone®.
PB  - Society of Physical Chemists of Serbia
C3  - Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia
T1  - Cobalt-doped alumina catalysts in catalytic oxidation of tartrazine induced by Oxone®
VL  - I
SP  - 184
EP  - 186
UR  - https://hdl.handle.net/21.15107/rcub_cer_6287
ER  - 

@conference{
author = "Marinović, Sanja and Mudrinić, Tihana and Ivanović-Šašić, Ana and Dojčinović, Biljana and Banković, Predrag and Novaković, Tatjana",
year = "2021",
abstract = "In this work cobalt-doped alumina catalysts were synthetized using the sol-gel method. The calcination temperatures were 500 °C, 1000 °C and 1100 °C and the catalysts were denoted as CoA-500, CoA-1000 and CoA-110, respectively. The obtained catalysts were tested as Oxone® activators for the degradation of tartrazine azo-dye. The influence of the mass of catalyst and the reaction temperature was investigated. The catalyst mass and temperature increase were beneficial for the dye degradation rate. All three catalysts were found to be effective for tartrazine degradation in the presence of Oxone®.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia",
title = "Cobalt-doped alumina catalysts in catalytic oxidation of tartrazine induced by Oxone®",
volume = "I",
pages = "184-186",
url = "https://hdl.handle.net/21.15107/rcub_cer_6287"
}

Marinović, S., Mudrinić, T., Ivanović-Šašić, A., Dojčinović, B., Banković, P.,& Novaković, T.. (2021). Cobalt-doped alumina catalysts in catalytic oxidation of tartrazine induced by Oxone®. in Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia
Society of Physical Chemists of Serbia., I, 184-186.
https://hdl.handle.net/21.15107/rcub_cer_6287

Marinović S, Mudrinić T, Ivanović-Šašić A, Dojčinović B, Banković P, Novaković T. Cobalt-doped alumina catalysts in catalytic oxidation of tartrazine induced by Oxone®. in Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia. 2021;I:184-186.
https://hdl.handle.net/21.15107/rcub_cer_6287 .

Marinović, Sanja, Mudrinić, Tihana, Ivanović-Šašić, Ana, Dojčinović, Biljana, Banković, Predrag, Novaković, Tatjana, "Cobalt-doped alumina catalysts in catalytic oxidation of tartrazine induced by Oxone®" in Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia, I (2021):184-186,
https://hdl.handle.net/21.15107/rcub_cer_6287 .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Jović-Jovičić, Nataša
AU  - Dojčinović, Biljana
AU  - Milutinović Nikolić, Aleksandra
AU  - Marinović, Sanja
AU  - Banković, Predrag
AU  - Ajduković, Marija
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6358
AB  - Chemical degradation by activated Oxone® is one of the most attractive advanced oxidation
processes (AOPs) for the treatment of various pollutants including toxic azo dyes. However, the
development of an effective heterogeneous catalyst for activating Oxone® is still challenging. In this
work a novel cobalt supported carbon-smectite catalyst (Co/cC-S) was prepared through a two-step
synthesis. First, the incipient wetness impregnation method was used for the cobalt species to be
introduced into chitosan-smectite biocomposite. The impregnated sample was then carbonized in a
tube furnace at 400 °C in a nitrogen atmosphere for 1h. The obtained catalyst was characterized using
FTIR spectroscopy and low temperature N2 physisorption. The Co/cC-S catalyst was tested as
peroxymonosulfate (in the form of Oxone®) activator in the degradation of two textile dyes, Acid
orange 10 (AO10) and Basic Blue 41 (BB41), from their single component and two component
aqueous solution. As the first step in catalytic degradation of dyes, decolorization was monitored
using UV-Vis spectrophotometry (λmax=478 nm and 605 nm, for AO10 and BB41, respectively). The
results showed that Oxone® alone is ineffective in the degradation of both dyes. The combination of
Co/cC-S and Oxone® significantly improved their degradation. The investigated catalytic process at
30 °C in the single component dye solution was very fast for AO10 and somewhat slower for BB41.
The AO10 decolorization from the two-component solution was as fast as from the single component
solution. On the other hand, the degradation efficiency for BB41 substantially decreased when two
dyes co-existed. This result suggests that Co/cC-S activated Oxone® exhibited a relatively high
priority for attacking AO10. Co/cC-S showed to be a promising peroxymonosulfate activator in the
catalytic treatment of wastewaters containing textile azo dyes.
PB  - Materials Research Society of Serbia
C3  - Program and book of abstracts - 22nd Annual Conference on Material Science YUCOMAT 2021, August 30 - September 3 2021, Herceg Novi, Montenegro
T1  - Degradation of textile dyes by Oxone® activated by cobalt supported chitosan-derived carbon-smectite catalyst
SP  - 94
EP  - 94
UR  - https://hdl.handle.net/21.15107/rcub_cer_6358
ER  - 

@conference{
author = "Stevanović, Gordana and Jović-Jovičić, Nataša and Dojčinović, Biljana and Milutinović Nikolić, Aleksandra and Marinović, Sanja and Banković, Predrag and Ajduković, Marija",
year = "2021",
abstract = "Chemical degradation by activated Oxone® is one of the most attractive advanced oxidation
processes (AOPs) for the treatment of various pollutants including toxic azo dyes. However, the
development of an effective heterogeneous catalyst for activating Oxone® is still challenging. In this
work a novel cobalt supported carbon-smectite catalyst (Co/cC-S) was prepared through a two-step
synthesis. First, the incipient wetness impregnation method was used for the cobalt species to be
introduced into chitosan-smectite biocomposite. The impregnated sample was then carbonized in a
tube furnace at 400 °C in a nitrogen atmosphere for 1h. The obtained catalyst was characterized using
FTIR spectroscopy and low temperature N2 physisorption. The Co/cC-S catalyst was tested as
peroxymonosulfate (in the form of Oxone®) activator in the degradation of two textile dyes, Acid
orange 10 (AO10) and Basic Blue 41 (BB41), from their single component and two component
aqueous solution. As the first step in catalytic degradation of dyes, decolorization was monitored
using UV-Vis spectrophotometry (λmax=478 nm and 605 nm, for AO10 and BB41, respectively). The
results showed that Oxone® alone is ineffective in the degradation of both dyes. The combination of
Co/cC-S and Oxone® significantly improved their degradation. The investigated catalytic process at
30 °C in the single component dye solution was very fast for AO10 and somewhat slower for BB41.
The AO10 decolorization from the two-component solution was as fast as from the single component
solution. On the other hand, the degradation efficiency for BB41 substantially decreased when two
dyes co-existed. This result suggests that Co/cC-S activated Oxone® exhibited a relatively high
priority for attacking AO10. Co/cC-S showed to be a promising peroxymonosulfate activator in the
catalytic treatment of wastewaters containing textile azo dyes.",
publisher = "Materials Research Society of Serbia",
journal = "Program and book of abstracts - 22nd Annual Conference on Material Science YUCOMAT 2021, August 30 - September 3 2021, Herceg Novi, Montenegro",
title = "Degradation of textile dyes by Oxone® activated by cobalt supported chitosan-derived carbon-smectite catalyst",
pages = "94-94",
url = "https://hdl.handle.net/21.15107/rcub_cer_6358"
}

Stevanović, G., Jović-Jovičić, N., Dojčinović, B., Milutinović Nikolić, A., Marinović, S., Banković, P.,& Ajduković, M.. (2021). Degradation of textile dyes by Oxone® activated by cobalt supported chitosan-derived carbon-smectite catalyst. in Program and book of abstracts - 22nd Annual Conference on Material Science YUCOMAT 2021, August 30 - September 3 2021, Herceg Novi, Montenegro
Materials Research Society of Serbia., 94-94.
https://hdl.handle.net/21.15107/rcub_cer_6358

Stevanović G, Jović-Jovičić N, Dojčinović B, Milutinović Nikolić A, Marinović S, Banković P, Ajduković M. Degradation of textile dyes by Oxone® activated by cobalt supported chitosan-derived carbon-smectite catalyst. in Program and book of abstracts - 22nd Annual Conference on Material Science YUCOMAT 2021, August 30 - September 3 2021, Herceg Novi, Montenegro. 2021;:94-94.
https://hdl.handle.net/21.15107/rcub_cer_6358 .

Stevanović, Gordana, Jović-Jovičić, Nataša, Dojčinović, Biljana, Milutinović Nikolić, Aleksandra, Marinović, Sanja, Banković, Predrag, Ajduković, Marija, "Degradation of textile dyes by Oxone® activated by cobalt supported chitosan-derived carbon-smectite catalyst" in Program and book of abstracts - 22nd Annual Conference on Material Science YUCOMAT 2021, August 30 - September 3 2021, Herceg Novi, Montenegro (2021):94-94,
https://hdl.handle.net/21.15107/rcub_cer_6358 .

TY  - CONF
AU  - Stevanović, Gordana
AU  - Jović-Jovičić, Nataša
AU  - Krstić, Jugoslav
AU  - Milutinović Nikolić, Aleksandra
AU  - Marinović, Sanja
AU  - Banković, Predrag
AU  - Ajduković, Marija
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6278
AB  - In this work cobalt-supported carbon-smectite catalyst was synthesized and tested as
peroxymonosulfate (in form of Oxone®) activator in the degradation of food dye tartrazine.
The incipient wetness impregnation method was used to introduce cobalt species into
chitosan-smectite biocomposite. The impregnated sample was carbonized in a tube furnace at
500 ºC in a nitrogen atmosphere. The obtained catalyst was characterized by FTIR
spectroscopy and N2 physisorption. The FTIR spectra indicated the presence of bands
characteristic for carbonaceous structures. It was observed that the presence of cobalt has a
significant impact on the textural properties of the resulting cobalt-supported carbon-smectite
catalyst. Catalytic tests were performed in 50.0 mg dm-3 tartrazine solution using 10 mg of
catalyst in the presence of 0.130 mmol Oxone®. As the first step in catalytic degradation of
tartrazine solution, decolorization was monitored using UV-Vis spectrophotometry at λmax=
426 nm. The catalytic process was fast at 30 ºC and besides decolorization included further
degradation of products of tartrazine oxidation. After 60 minutes of reaction, the degree of
decolorization reached 97%. The influence of the initial pH of reaction solution on catalytic
efficiency was tested.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application IX, 20-21st September 2021, Belgrade, Serbia
T1  - The influence of pH on catalytic degradation of tartrazine in presence of Oxone® activated by cobalt-supported carbon-smectite catalyst
SP  - 83
EP  - 83
UR  - https://hdl.handle.net/21.15107/rcub_cer_6278
ER  - 

@conference{
author = "Stevanović, Gordana and Jović-Jovičić, Nataša and Krstić, Jugoslav and Milutinović Nikolić, Aleksandra and Marinović, Sanja and Banković, Predrag and Ajduković, Marija",
year = "2021",
abstract = "In this work cobalt-supported carbon-smectite catalyst was synthesized and tested as
peroxymonosulfate (in form of Oxone®) activator in the degradation of food dye tartrazine.
The incipient wetness impregnation method was used to introduce cobalt species into
chitosan-smectite biocomposite. The impregnated sample was carbonized in a tube furnace at
500 ºC in a nitrogen atmosphere. The obtained catalyst was characterized by FTIR
spectroscopy and N2 physisorption. The FTIR spectra indicated the presence of bands
characteristic for carbonaceous structures. It was observed that the presence of cobalt has a
significant impact on the textural properties of the resulting cobalt-supported carbon-smectite
catalyst. Catalytic tests were performed in 50.0 mg dm-3 tartrazine solution using 10 mg of
catalyst in the presence of 0.130 mmol Oxone®. As the first step in catalytic degradation of
tartrazine solution, decolorization was monitored using UV-Vis spectrophotometry at λmax=
426 nm. The catalytic process was fast at 30 ºC and besides decolorization included further
degradation of products of tartrazine oxidation. After 60 minutes of reaction, the degree of
decolorization reached 97%. The influence of the initial pH of reaction solution on catalytic
efficiency was tested.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application IX, 20-21st September 2021, Belgrade, Serbia",
title = "The influence of pH on catalytic degradation of tartrazine in presence of Oxone® activated by cobalt-supported carbon-smectite catalyst",
pages = "83-83",
url = "https://hdl.handle.net/21.15107/rcub_cer_6278"
}

Stevanović, G., Jović-Jovičić, N., Krstić, J., Milutinović Nikolić, A., Marinović, S., Banković, P.,& Ajduković, M.. (2021). The influence of pH on catalytic degradation of tartrazine in presence of Oxone® activated by cobalt-supported carbon-smectite catalyst. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application IX, 20-21st September 2021, Belgrade, Serbia
Serbian Ceramic Society., 83-83.
https://hdl.handle.net/21.15107/rcub_cer_6278

Stevanović G, Jović-Jovičić N, Krstić J, Milutinović Nikolić A, Marinović S, Banković P, Ajduković M. The influence of pH on catalytic degradation of tartrazine in presence of Oxone® activated by cobalt-supported carbon-smectite catalyst. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application IX, 20-21st September 2021, Belgrade, Serbia. 2021;:83-83.
https://hdl.handle.net/21.15107/rcub_cer_6278 .

Stevanović, Gordana, Jović-Jovičić, Nataša, Krstić, Jugoslav, Milutinović Nikolić, Aleksandra, Marinović, Sanja, Banković, Predrag, Ajduković, Marija, "The influence of pH on catalytic degradation of tartrazine in presence of Oxone® activated by cobalt-supported carbon-smectite catalyst" in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application IX, 20-21st September 2021, Belgrade, Serbia (2021):83-83,
https://hdl.handle.net/21.15107/rcub_cer_6278 .

TY  - CONF
AU  - Milovanović, Biljana
AU  - Marinović, Sanja
AU  - Vuković, Zorica
AU  - Ajduković, Marija
AU  - Stevanović, Gordana
AU  - Banković, Predrag
AU  - Mudrinić, Tihana
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6288
AB  - The aluminum pillared clay (AP) was synthesized and impregnated with various cobalt loadings (x%CoAP, x=1, 3, 5, and 10 wt.%) by incipient wetness impregnation method. All samples were characterized by using X-ray powder diffraction (XRPD), inductively coupled plasma optical emission spectroscopy (ICP-OES) and low temperature N2 physisorption techniques. The chemical analysis confirmed the successful incorporation of cobalt in all impregnated samples. Nevertheless, only cobalt oxide (Co3O4) was identified for samples having higher cobalt contents. Furthermore, different cobalt loading was mainly affected the microporous region in such way that micropore surface area decreased with the increase of cobalt.
PB  - Society of Physical Chemists of Serbia
C3  - Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia
T1  - Influence of cobalt loading on the physical-chemical properties of pillared clay - supported cobalt
VL  - II
SP  - 388
EP  - 390
UR  - https://hdl.handle.net/21.15107/rcub_cer_6288
ER  - 

@conference{
author = "Milovanović, Biljana and Marinović, Sanja and Vuković, Zorica and Ajduković, Marija and Stevanović, Gordana and Banković, Predrag and Mudrinić, Tihana",
year = "2021",
abstract = "The aluminum pillared clay (AP) was synthesized and impregnated with various cobalt loadings (x%CoAP, x=1, 3, 5, and 10 wt.%) by incipient wetness impregnation method. All samples were characterized by using X-ray powder diffraction (XRPD), inductively coupled plasma optical emission spectroscopy (ICP-OES) and low temperature N2 physisorption techniques. The chemical analysis confirmed the successful incorporation of cobalt in all impregnated samples. Nevertheless, only cobalt oxide (Co3O4) was identified for samples having higher cobalt contents. Furthermore, different cobalt loading was mainly affected the microporous region in such way that micropore surface area decreased with the increase of cobalt.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia",
title = "Influence of cobalt loading on the physical-chemical properties of pillared clay - supported cobalt",
volume = "II",
pages = "388-390",
url = "https://hdl.handle.net/21.15107/rcub_cer_6288"
}

Milovanović, B., Marinović, S., Vuković, Z., Ajduković, M., Stevanović, G., Banković, P.,& Mudrinić, T.. (2021). Influence of cobalt loading on the physical-chemical properties of pillared clay - supported cobalt. in Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia
Society of Physical Chemists of Serbia., II, 388-390.
https://hdl.handle.net/21.15107/rcub_cer_6288

Milovanović B, Marinović S, Vuković Z, Ajduković M, Stevanović G, Banković P, Mudrinić T. Influence of cobalt loading on the physical-chemical properties of pillared clay - supported cobalt. in Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia. 2021;II:388-390.
https://hdl.handle.net/21.15107/rcub_cer_6288 .

Milovanović, Biljana, Marinović, Sanja, Vuković, Zorica, Ajduković, Marija, Stevanović, Gordana, Banković, Predrag, Mudrinić, Tihana, "Influence of cobalt loading on the physical-chemical properties of pillared clay - supported cobalt" in Proceedings - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Physical Chemistry 2021, September 20-24 2021, Belgrade, Serbia, II (2021):388-390,
https://hdl.handle.net/21.15107/rcub_cer_6288 .