TY  - JOUR
AU  - Perendija, Jovana
AU  - Ljubić, Verica
AU  - Popović, Mina
AU  - Milošević, Dragana
AU  - Arsenijević, Zorana
AU  - Đuriš, Mihal
AU  - Kovač, Sabina
AU  - Cvetković, Slobodan
PY  - 2024
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7203
AB  - The discharge of industrial textile waters into water bodies leads to the accumulation of pollutants which are a serious threat to humans and the environment. The development of an efficient adsorbent for the removal of toxic organic dyes from water is of crucial importance. For that reason, this work aimed to elaborate on the potential application of a biosorbent obtained from waste Humulus lupulus stems (Hlup-BA) for the elimination of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems. The Hlup-BA was characterized using chemical composition analysis, by determination of particle size distribution, the point of zero charge (pHpzc), SEM, BET, EDS, XRD, and FTIR. Comprehensive analysis of Hlup-BA adsorption efficiency in a batch study showed that at the optimal conditions (e.g. contact time, 120 min; biosorbent dose, 2 g/L; dye concentration, 100 g/L; pH, 8 and temperature, 298 K), even 98.4 %, 98.8 %, and 98.5 % of MG, MB, and CV were removed, respectively. The results showed that the biosorption process followed pseudo-second-order kinetics. The equilibrium data were modeled using Langmuir, Freundlich, Sips, and Dubinnin-Radushkevich biosorption isotherms. High values of Hlup-BA biosorption capacities obtained from Langmuir isotherm were 398.9 mg g−1, 209.8 mg g−1, and 133.2 mg g−1 for MG, MB, and CV, thus proving Hlup-BA as an excellent biosorbent for removal of the tested dyes. The thermodynamic study indicated that the biosorption of these three dyes on Hlup-BA from aqueous solution is an endothermic, spontaneous, and thermodynamically stable process. The proposed mechanism of the biosorption process covers π-π interactions, electrostatic interactions, and hydrogen bonding. Furthermore, the data obtained by modeling in the fixed-bed column were also successfully correlated with the Thomas, Bohart-Adams, and Yoon–Nelson models. The very good fit of the results obtained in this way will greatly contribute to optimizing the pilot-scale operations for future wastewater treatment. Consequently, Hlup-BA can be an effective, cheap, and environmentally friendly biosorbent to eliminate methylene blue, malachite green, and crystal violet dyes from the aqueous solution in batch and column systems.
PB  - Elsevier
T2  - Journal of Molecular Liquids
T1  - Assessment of waste hop (Humulus Lupulus) stems as a biosorbent for the removal of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems: Biosorption process and mechanism
VL  - 394
SP  - 123770
DO  - 10.1016/j.molliq.2023.123770
ER  - 

@article{
author = "Perendija, Jovana and Ljubić, Verica and Popović, Mina and Milošević, Dragana and Arsenijević, Zorana and Đuriš, Mihal and Kovač, Sabina and Cvetković, Slobodan",
year = "2024",
abstract = "The discharge of industrial textile waters into water bodies leads to the accumulation of pollutants which are a serious threat to humans and the environment. The development of an efficient adsorbent for the removal of toxic organic dyes from water is of crucial importance. For that reason, this work aimed to elaborate on the potential application of a biosorbent obtained from waste Humulus lupulus stems (Hlup-BA) for the elimination of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems. The Hlup-BA was characterized using chemical composition analysis, by determination of particle size distribution, the point of zero charge (pHpzc), SEM, BET, EDS, XRD, and FTIR. Comprehensive analysis of Hlup-BA adsorption efficiency in a batch study showed that at the optimal conditions (e.g. contact time, 120 min; biosorbent dose, 2 g/L; dye concentration, 100 g/L; pH, 8 and temperature, 298 K), even 98.4 %, 98.8 %, and 98.5 % of MG, MB, and CV were removed, respectively. The results showed that the biosorption process followed pseudo-second-order kinetics. The equilibrium data were modeled using Langmuir, Freundlich, Sips, and Dubinnin-Radushkevich biosorption isotherms. High values of Hlup-BA biosorption capacities obtained from Langmuir isotherm were 398.9 mg g−1, 209.8 mg g−1, and 133.2 mg g−1 for MG, MB, and CV, thus proving Hlup-BA as an excellent biosorbent for removal of the tested dyes. The thermodynamic study indicated that the biosorption of these three dyes on Hlup-BA from aqueous solution is an endothermic, spontaneous, and thermodynamically stable process. The proposed mechanism of the biosorption process covers π-π interactions, electrostatic interactions, and hydrogen bonding. Furthermore, the data obtained by modeling in the fixed-bed column were also successfully correlated with the Thomas, Bohart-Adams, and Yoon–Nelson models. The very good fit of the results obtained in this way will greatly contribute to optimizing the pilot-scale operations for future wastewater treatment. Consequently, Hlup-BA can be an effective, cheap, and environmentally friendly biosorbent to eliminate methylene blue, malachite green, and crystal violet dyes from the aqueous solution in batch and column systems.",
publisher = "Elsevier",
journal = "Journal of Molecular Liquids",
title = "Assessment of waste hop (Humulus Lupulus) stems as a biosorbent for the removal of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems: Biosorption process and mechanism",
volume = "394",
pages = "123770",
doi = "10.1016/j.molliq.2023.123770"
}

Perendija, J., Ljubić, V., Popović, M., Milošević, D., Arsenijević, Z., Đuriš, M., Kovač, S.,& Cvetković, S.. (2024). Assessment of waste hop (Humulus Lupulus) stems as a biosorbent for the removal of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems: Biosorption process and mechanism. in Journal of Molecular Liquids
Elsevier., 394, 123770.
https://doi.org/10.1016/j.molliq.2023.123770

Perendija J, Ljubić V, Popović M, Milošević D, Arsenijević Z, Đuriš M, Kovač S, Cvetković S. Assessment of waste hop (Humulus Lupulus) stems as a biosorbent for the removal of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems: Biosorption process and mechanism. in Journal of Molecular Liquids. 2024;394:123770.
doi:10.1016/j.molliq.2023.123770 .

Perendija, Jovana, Ljubić, Verica, Popović, Mina, Milošević, Dragana, Arsenijević, Zorana, Đuriš, Mihal, Kovač, Sabina, Cvetković, Slobodan, "Assessment of waste hop (Humulus Lupulus) stems as a biosorbent for the removal of malachite green, methylene blue, and crystal violet from aqueous solution in batch and fixed-bed column systems: Biosorption process and mechanism" in Journal of Molecular Liquids, 394 (2024):123770,
https://doi.org/10.1016/j.molliq.2023.123770 . .

TY  - JOUR
AU  - Milovanović, Željka
AU  - Lazarević, Slavica
AU  - Janković-Častvan, Ivona
AU  - Radovanović, Željko
AU  - Cvetković, Slobodan
AU  - Janaćković, Đorđe
AU  - Petrović, Rada
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6578
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7169
AB  - The sepiolite/ZrO2 composites were prepared by sepiolite (Sep) modification with zirconium propoxide in toluene at room temperature for 24 h (Sep–ZrI) or 95 °C for 4 h (sample Sep–ZrII). The efficiency of the obtained composites for the removal of phosphate from aqueous solutions at initial pH = 4 and pH = 8 was investigated. Characterization of the samples shows that synthesis at a higher temperature for a shorter time provides a slightly higher content of amorphous Zr phase, which is deposited on the sepiolite fibers as a thin layer and agglomerated nanoparticles. Compared to Sep, the composites have a lower point of zero charge and higher specific surface area and pore volume. The adsorption kinetics follow the pseudo second-order model. The adsorption capacities of the composites are approximately the same at both initial pH and higher at initial pH = 4 than at pH = 8. The XPS and ATR-FTIR of Sep–ZrI before and after adsorption identifies the formation of inner-sphere complexes as the mechanism of phosphate adsorption. The slow release during desorption with NaOH solution confirms the strong bonds of the phosphates with the surface of the composites.
PB  - MDPI
T2  - Water
T1  - The Removal of Phosphate from Aqueous Solutions by Sepiolite/ZrO2 Composites: Adsorption Behavior and Mechanism
VL  - 15
IS  - 13
SP  - 2376
DO  - 10.3390/w15132376
ER  - 

@article{
author = "Milovanović, Željka and Lazarević, Slavica and Janković-Častvan, Ivona and Radovanović, Željko and Cvetković, Slobodan and Janaćković, Đorđe and Petrović, Rada",
year = "2023",
abstract = "The sepiolite/ZrO2 composites were prepared by sepiolite (Sep) modification with zirconium propoxide in toluene at room temperature for 24 h (Sep–ZrI) or 95 °C for 4 h (sample Sep–ZrII). The efficiency of the obtained composites for the removal of phosphate from aqueous solutions at initial pH = 4 and pH = 8 was investigated. Characterization of the samples shows that synthesis at a higher temperature for a shorter time provides a slightly higher content of amorphous Zr phase, which is deposited on the sepiolite fibers as a thin layer and agglomerated nanoparticles. Compared to Sep, the composites have a lower point of zero charge and higher specific surface area and pore volume. The adsorption kinetics follow the pseudo second-order model. The adsorption capacities of the composites are approximately the same at both initial pH and higher at initial pH = 4 than at pH = 8. The XPS and ATR-FTIR of Sep–ZrI before and after adsorption identifies the formation of inner-sphere complexes as the mechanism of phosphate adsorption. The slow release during desorption with NaOH solution confirms the strong bonds of the phosphates with the surface of the composites.",
publisher = "MDPI",
journal = "Water",
title = "The Removal of Phosphate from Aqueous Solutions by Sepiolite/ZrO2 Composites: Adsorption Behavior and Mechanism",
volume = "15",
number = "13",
pages = "2376",
doi = "10.3390/w15132376"
}

Milovanović, Ž., Lazarević, S., Janković-Častvan, I., Radovanović, Ž., Cvetković, S., Janaćković, Đ.,& Petrović, R.. (2023). The Removal of Phosphate from Aqueous Solutions by Sepiolite/ZrO2 Composites: Adsorption Behavior and Mechanism. in Water
MDPI., 15(13), 2376.
https://doi.org/10.3390/w15132376

Milovanović Ž, Lazarević S, Janković-Častvan I, Radovanović Ž, Cvetković S, Janaćković Đ, Petrović R. The Removal of Phosphate from Aqueous Solutions by Sepiolite/ZrO2 Composites: Adsorption Behavior and Mechanism. in Water. 2023;15(13):2376.
doi:10.3390/w15132376 .

Milovanović, Željka, Lazarević, Slavica, Janković-Častvan, Ivona, Radovanović, Željko, Cvetković, Slobodan, Janaćković, Đorđe, Petrović, Rada, "The Removal of Phosphate from Aqueous Solutions by Sepiolite/ZrO2 Composites: Adsorption Behavior and Mechanism" in Water, 15, no. 13 (2023):2376,
https://doi.org/10.3390/w15132376 . .

TY  - CONF
AU  - Erić, Aleksandar
AU  - Cvetinović, Dejan
AU  - Cvetković, Slobodan
AU  - Perendija, Jovana
AU  - Pijović-Radovanović, Milena
AU  - Janković, Bojan
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7405
AB  - The aim of the article is to show the effects of the main air plasma gasifier operating parameters, such as temperature and equivalence ratio on the gasification performance of sewage sludge from wastewater treatment plants. The parametric study was performed using a one-dimensional mathematical model to determine the equilibrium composition of the system. The model is based on the principle of the minimum of the Gibbs function and uses only the ultimate and proximate analysis data as input to the model. The output of the model gives the equilibrium composition of the gasses produced. The parametric analysis was performed in order to determine the optimal operating parameters of the plasma reactor in order to obtain syngas with the highest heat value while achieving the maximum efficiency of the process. The collected results can be useful in further analysis of the gasification processes in plasma reactor, such as exergy analysis and kinetics.
PB  - Belgrade : Society of Thermal Engineers of Serbia
C3  - International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova
T1  - Sewage sludge from wastewater treatment plants for energy purposes: thermodynamic approach
SP  - 933
EP  - 949
UR  - https://hdl.handle.net/21.15107/rcub_cer_7405
ER  - 

@conference{
author = "Erić, Aleksandar and Cvetinović, Dejan and Cvetković, Slobodan and Perendija, Jovana and Pijović-Radovanović, Milena and Janković, Bojan",
year = "2023",
abstract = "The aim of the article is to show the effects of the main air plasma gasifier operating parameters, such as temperature and equivalence ratio on the gasification performance of sewage sludge from wastewater treatment plants. The parametric study was performed using a one-dimensional mathematical model to determine the equilibrium composition of the system. The model is based on the principle of the minimum of the Gibbs function and uses only the ultimate and proximate analysis data as input to the model. The output of the model gives the equilibrium composition of the gasses produced. The parametric analysis was performed in order to determine the optimal operating parameters of the plasma reactor in order to obtain syngas with the highest heat value while achieving the maximum efficiency of the process. The collected results can be useful in further analysis of the gasification processes in plasma reactor, such as exergy analysis and kinetics.",
publisher = "Belgrade : Society of Thermal Engineers of Serbia",
journal = "International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova",
title = "Sewage sludge from wastewater treatment plants for energy purposes: thermodynamic approach",
pages = "933-949",
url = "https://hdl.handle.net/21.15107/rcub_cer_7405"
}

Erić, A., Cvetinović, D., Cvetković, S., Perendija, J., Pijović-Radovanović, M.,& Janković, B.. (2023). Sewage sludge from wastewater treatment plants for energy purposes: thermodynamic approach. in International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova
Belgrade : Society of Thermal Engineers of Serbia., 933-949.
https://hdl.handle.net/21.15107/rcub_cer_7405

Erić A, Cvetinović D, Cvetković S, Perendija J, Pijović-Radovanović M, Janković B. Sewage sludge from wastewater treatment plants for energy purposes: thermodynamic approach. in International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova. 2023;:933-949.
https://hdl.handle.net/21.15107/rcub_cer_7405 .

Erić, Aleksandar, Cvetinović, Dejan, Cvetković, Slobodan, Perendija, Jovana, Pijović-Radovanović, Milena, Janković, Bojan, "Sewage sludge from wastewater treatment plants for energy purposes: thermodynamic approach" in International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova (2023):933-949,
https://hdl.handle.net/21.15107/rcub_cer_7405 .

TY  - CONF
AU  - Sentić, Milica
AU  - Trajković, Ivana
AU  - Deršek-Timotić, Ivana
AU  - Cvetković, Slobodan
AU  - Stojanović, Zoran
AU  - Onjia, Antonije
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7425
AB  - Polycyclic aromatic hydrocarbons (PAHs) are among the most toxic compounds knownto man. Several PAHs are proven to be carcinogenic, mutagenic and teratogenic. Due to their widedistribution in the environment and their toxicity, it is considered important to monitor the levels ofthese compounds in foodstuff. PAHs have been detected in many foods including plant-based suchas vegetable oils, cereal grains, herbs, spices, teas and supplements. As the awareness for thehealthy lifestyle has increased globally, the intake of medicinal herbs as tea and spices has alsogrown immensely. Therefore, even stronger emphasis must be made to monitor the toxic levels ofPAHs in herbs. The legislations of the maximum concentrations of certain contaminants in food ofthe Republic of Serbia included PAHs values in dry herbs only by the end of 2019 (Official GazetteRS, No. 81/2019) in comparison to European Commission Regulation dating from 2011. Therefore,herein we focused on analytical method development for PAHs determination in medicinal herbs.
PB  - Belgrade : The Academy of Applied Technical Studies "Belgrade"
C3  - Conference Proceedings / International Scientific and Professional Conference Politehnika 2023, Belgrade, 15th December 2023
T1  - Polycyclic aromatic hydrocarbons in medicinal herbs: analytical method development
SP  - 856
EP  - 860
UR  - https://hdl.handle.net/21.15107/rcub_cer_7425
ER  - 

@conference{
author = "Sentić, Milica and Trajković, Ivana and Deršek-Timotić, Ivana and Cvetković, Slobodan and Stojanović, Zoran and Onjia, Antonije",
year = "2023",
abstract = "Polycyclic aromatic hydrocarbons (PAHs) are among the most toxic compounds knownto man. Several PAHs are proven to be carcinogenic, mutagenic and teratogenic. Due to their widedistribution in the environment and their toxicity, it is considered important to monitor the levels ofthese compounds in foodstuff. PAHs have been detected in many foods including plant-based suchas vegetable oils, cereal grains, herbs, spices, teas and supplements. As the awareness for thehealthy lifestyle has increased globally, the intake of medicinal herbs as tea and spices has alsogrown immensely. Therefore, even stronger emphasis must be made to monitor the toxic levels ofPAHs in herbs. The legislations of the maximum concentrations of certain contaminants in food ofthe Republic of Serbia included PAHs values in dry herbs only by the end of 2019 (Official GazetteRS, No. 81/2019) in comparison to European Commission Regulation dating from 2011. Therefore,herein we focused on analytical method development for PAHs determination in medicinal herbs.",
publisher = "Belgrade : The Academy of Applied Technical Studies "Belgrade"",
journal = "Conference Proceedings / International Scientific and Professional Conference Politehnika 2023, Belgrade, 15th December 2023",
title = "Polycyclic aromatic hydrocarbons in medicinal herbs: analytical method development",
pages = "856-860",
url = "https://hdl.handle.net/21.15107/rcub_cer_7425"
}

Sentić, M., Trajković, I., Deršek-Timotić, I., Cvetković, S., Stojanović, Z.,& Onjia, A.. (2023). Polycyclic aromatic hydrocarbons in medicinal herbs: analytical method development. in Conference Proceedings / International Scientific and Professional Conference Politehnika 2023, Belgrade, 15th December 2023
Belgrade : The Academy of Applied Technical Studies "Belgrade"., 856-860.
https://hdl.handle.net/21.15107/rcub_cer_7425

Sentić M, Trajković I, Deršek-Timotić I, Cvetković S, Stojanović Z, Onjia A. Polycyclic aromatic hydrocarbons in medicinal herbs: analytical method development. in Conference Proceedings / International Scientific and Professional Conference Politehnika 2023, Belgrade, 15th December 2023. 2023;:856-860.
https://hdl.handle.net/21.15107/rcub_cer_7425 .

Sentić, Milica, Trajković, Ivana, Deršek-Timotić, Ivana, Cvetković, Slobodan, Stojanović, Zoran, Onjia, Antonije, "Polycyclic aromatic hydrocarbons in medicinal herbs: analytical method development" in Conference Proceedings / International Scientific and Professional Conference Politehnika 2023, Belgrade, 15th December 2023 (2023):856-860,
https://hdl.handle.net/21.15107/rcub_cer_7425 .

TY  - CONF
AU  - Trajković, Ivana
AU  - Sentić, Milica
AU  - Deršek-Timotić, Ivana
AU  - Cvetković, Slobodan
AU  - Onjia, Antonije
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6860
AB  - Polycyclic aromatic hydrocarbons (PAHs) are amongst the most toxic compounds known to man. Several PAHs are proven to be carcinogenic, mutagenic, and teratogenic. Due to their wide distribution in the environment and their toxicity, it is considered important to monitor the levels of these compounds in foodstuffs.
PAHs have been detected in many food products including plant-based such as vegetable oils, cereal grains, herbs, spices, teas, and supplements1,2. As the awareness of the healthy lifestyle has increased globally, the intake of medicinal herbs such as teas and spices has also grown immensely. Therefore, an even bigger emphasis must be made to monitor the toxic levels of PAHs in herbs. The maximum concentrations of certain contaminants in food in the Republic of Serbia included PAHs values in dry herbs only by the end of 2019 ("Official Gazette / RS", No. 81/2019)3. Herein, were investigated the sources of PAHs contamination in dry herbs collected from the different parts of Serbia, its quantification and the potential health risk posed by their toxicity.
PB  - Society of Chemists and Technologists of Macedonia
C3  - Abstract Book - 26th Congress of Society Of Chemists And Technologists Of Macedonia (SCTM), 20-23 September 2023, Ohrid, Macedonia
T1  - Polycyclic Aromatic Hydrocarbons in Dry Herbs: Source Identification, Quantification, and Health Risk Assessment
SP  - 108
EP  - 109
UR  - https://hdl.handle.net/21.15107/rcub_cer_6860
ER  - 

@conference{
author = "Trajković, Ivana and Sentić, Milica and Deršek-Timotić, Ivana and Cvetković, Slobodan and Onjia, Antonije",
year = "2023",
abstract = "Polycyclic aromatic hydrocarbons (PAHs) are amongst the most toxic compounds known to man. Several PAHs are proven to be carcinogenic, mutagenic, and teratogenic. Due to their wide distribution in the environment and their toxicity, it is considered important to monitor the levels of these compounds in foodstuffs.
PAHs have been detected in many food products including plant-based such as vegetable oils, cereal grains, herbs, spices, teas, and supplements1,2. As the awareness of the healthy lifestyle has increased globally, the intake of medicinal herbs such as teas and spices has also grown immensely. Therefore, an even bigger emphasis must be made to monitor the toxic levels of PAHs in herbs. The maximum concentrations of certain contaminants in food in the Republic of Serbia included PAHs values in dry herbs only by the end of 2019 ("Official Gazette / RS", No. 81/2019)3. Herein, were investigated the sources of PAHs contamination in dry herbs collected from the different parts of Serbia, its quantification and the potential health risk posed by their toxicity.",
publisher = "Society of Chemists and Technologists of Macedonia",
journal = "Abstract Book - 26th Congress of Society Of Chemists And Technologists Of Macedonia (SCTM), 20-23 September 2023, Ohrid, Macedonia",
title = "Polycyclic Aromatic Hydrocarbons in Dry Herbs: Source Identification, Quantification, and Health Risk Assessment",
pages = "108-109",
url = "https://hdl.handle.net/21.15107/rcub_cer_6860"
}

Trajković, I., Sentić, M., Deršek-Timotić, I., Cvetković, S.,& Onjia, A.. (2023). Polycyclic Aromatic Hydrocarbons in Dry Herbs: Source Identification, Quantification, and Health Risk Assessment. in Abstract Book - 26th Congress of Society Of Chemists And Technologists Of Macedonia (SCTM), 20-23 September 2023, Ohrid, Macedonia
Society of Chemists and Technologists of Macedonia., 108-109.
https://hdl.handle.net/21.15107/rcub_cer_6860

Trajković I, Sentić M, Deršek-Timotić I, Cvetković S, Onjia A. Polycyclic Aromatic Hydrocarbons in Dry Herbs: Source Identification, Quantification, and Health Risk Assessment. in Abstract Book - 26th Congress of Society Of Chemists And Technologists Of Macedonia (SCTM), 20-23 September 2023, Ohrid, Macedonia. 2023;:108-109.
https://hdl.handle.net/21.15107/rcub_cer_6860 .

Trajković, Ivana, Sentić, Milica, Deršek-Timotić, Ivana, Cvetković, Slobodan, Onjia, Antonije, "Polycyclic Aromatic Hydrocarbons in Dry Herbs: Source Identification, Quantification, and Health Risk Assessment" in Abstract Book - 26th Congress of Society Of Chemists And Technologists Of Macedonia (SCTM), 20-23 September 2023, Ohrid, Macedonia (2023):108-109,
https://hdl.handle.net/21.15107/rcub_cer_6860 .

TY  - CONF
AU  - Ljubić, Verica
AU  - Milošević, Milena
AU  - Cvetković, Slobodan
AU  - Perendija, Jovana
AU  - Stojanovic, Marijana
AU  - Popović, Mina
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6937
AB  - Probiotics as the most promising group of microbes have the possibility to synthesize metabolites, that can be used in different industries over the world. In this study, we investigated the probiotic activity of the Lactobacillus reuteri B2, as well as, the exopolysaccharides (EPS) that this strain produced. L. reuteri B2 was isolated from the feces of C57BL/6 mice and assessed on probiotic activity. L. reuteri B2 was identified by 16S rDNA sequencing, in which the cell viability in acidic conditions at pH 2.0 was 64% after 2 h, and in the presents of 0.30% of the bile salts, after 6 h, was 37%. Antimicrobial assay with L. reuteri B2 showed maximum diameters against K. oxytoca J7 (12.5±0.71mm). We further hypothesized if L. reuteri B2 strain in the free form can survive all conditions in the gastrointestinal tract (GIT) then the utilization of the appropriate biomaterials would ameliorate its stability and viability in GIT. L. reuteri B2 was microencapsulated into sodium alginate- (Na-alg) and different content of Na-alg and sodium maleate (SM) beads. Second hypothesis was if a novel EPS, extracted and isolated from L. reuteri B2, that obtain biological activity can be used as biomaterial. Characterization of this EPS enveloped FTIR, NMR, SEM, XRD, TGA/DTG analysis, biological assays, antioxidative activity, cytotoxic assay (MTT), and adhesion assay of L. reuteri B2 to HT29 cells. This EPS obtained a high scavenging effect of 76% at 2mg/mL of EPS in ABTS assay, while in MTT assay showed that did not have a cytotoxic effect.
PB  - MIND Authors
C3  - 4th Virtual Congress on Materials Science & Engineering, 28-31 March, 2022, on-line
T1  - Characterization and biological activity of exopolysaccharide extracted from novel probiotic strain L. reuteri B2., as novel biomaterial
SP  - 40
EP  - 40
UR  - https://hdl.handle.net/21.15107/rcub_cer_6937
ER  - 

@conference{
author = "Ljubić, Verica and Milošević, Milena and Cvetković, Slobodan and Perendija, Jovana and Stojanovic, Marijana and Popović, Mina",
year = "2023",
abstract = "Probiotics as the most promising group of microbes have the possibility to synthesize metabolites, that can be used in different industries over the world. In this study, we investigated the probiotic activity of the Lactobacillus reuteri B2, as well as, the exopolysaccharides (EPS) that this strain produced. L. reuteri B2 was isolated from the feces of C57BL/6 mice and assessed on probiotic activity. L. reuteri B2 was identified by 16S rDNA sequencing, in which the cell viability in acidic conditions at pH 2.0 was 64% after 2 h, and in the presents of 0.30% of the bile salts, after 6 h, was 37%. Antimicrobial assay with L. reuteri B2 showed maximum diameters against K. oxytoca J7 (12.5±0.71mm). We further hypothesized if L. reuteri B2 strain in the free form can survive all conditions in the gastrointestinal tract (GIT) then the utilization of the appropriate biomaterials would ameliorate its stability and viability in GIT. L. reuteri B2 was microencapsulated into sodium alginate- (Na-alg) and different content of Na-alg and sodium maleate (SM) beads. Second hypothesis was if a novel EPS, extracted and isolated from L. reuteri B2, that obtain biological activity can be used as biomaterial. Characterization of this EPS enveloped FTIR, NMR, SEM, XRD, TGA/DTG analysis, biological assays, antioxidative activity, cytotoxic assay (MTT), and adhesion assay of L. reuteri B2 to HT29 cells. This EPS obtained a high scavenging effect of 76% at 2mg/mL of EPS in ABTS assay, while in MTT assay showed that did not have a cytotoxic effect.",
publisher = "MIND Authors",
journal = "4th Virtual Congress on Materials Science & Engineering, 28-31 March, 2022, on-line",
title = "Characterization and biological activity of exopolysaccharide extracted from novel probiotic strain L. reuteri B2., as novel biomaterial",
pages = "40-40",
url = "https://hdl.handle.net/21.15107/rcub_cer_6937"
}

Ljubić, V., Milošević, M., Cvetković, S., Perendija, J., Stojanovic, M.,& Popović, M.. (2023). Characterization and biological activity of exopolysaccharide extracted from novel probiotic strain L. reuteri B2., as novel biomaterial. in 4th Virtual Congress on Materials Science & Engineering, 28-31 March, 2022, on-line
MIND Authors., 40-40.
https://hdl.handle.net/21.15107/rcub_cer_6937

Ljubić V, Milošević M, Cvetković S, Perendija J, Stojanovic M, Popović M. Characterization and biological activity of exopolysaccharide extracted from novel probiotic strain L. reuteri B2., as novel biomaterial. in 4th Virtual Congress on Materials Science & Engineering, 28-31 March, 2022, on-line. 2023;:40-40.
https://hdl.handle.net/21.15107/rcub_cer_6937 .

Ljubić, Verica, Milošević, Milena, Cvetković, Slobodan, Perendija, Jovana, Stojanovic, Marijana, Popović, Mina, "Characterization and biological activity of exopolysaccharide extracted from novel probiotic strain L. reuteri B2., as novel biomaterial" in 4th Virtual Congress on Materials Science & Engineering, 28-31 March, 2022, on-line (2023):40-40,
https://hdl.handle.net/21.15107/rcub_cer_6937 .

TY  - CONF
AU  - Milošević, Dragana
AU  - Matović, Luka
AU  - Ljubić, Verica
AU  - Perendija, Jovana
AU  - Cvetković, Slobodan
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6789
AB  - У овом раду, отпадна биомаса Аrundo donax (АД) је коришћена за адсорпцију Ni2+ из водених раствора. Површина АД је карактерисана СЕМ и ФТИР методама анализе. Адсорпциони експерименти су изведени у шаржним условима, при почетној pH вредности раствора pHi = 7 и различитим почетним концентрацијама Ni2+. Процес адсорпције је боље описан Фројндлиховим него Лангмировим моделом, односно адсорпција је вишеслојна са хетерогеном расподелом активних центара на површини материјала. Кинетика адсорпције Ni2+ на АД јe боље описана моделом псеудо–другог реда него моделом псеудо–првог реда, што указује на успостављање хемијских интеракција између адсорбата и слободних места на површини адсорбената. Добијени резултати су указали да АД има потенцијал за пречишћавање вода загађених никлом.
AB  - In this paper, Arundo donax (AD) waste biomass was used for the adsorption of Ni2+ from aqueous solutions. The AD surface was characterized by SEM and FT-IR analysis. Adsorption experiments were carried out in the batch adsorption system, at an initial pH value of pHi = 7 and different initial Ni2+ concentrations. The adsorption process was better described by Freundlich’s than by Langmuir’s model, i.e. adsorption is multilayered with a heterogeneous distribution of active sites on the material surface. The kinetic study of Ni2+ adsorption showed that pseudo–second order was the model that better described the experimental adsorption data compared to pseudo first order model, indicating the formation of chemical interactions between adsorbate and free sites on the adsorbent surface. The obtained results indicated that AD has the potential for the remediation of nickel-polluted waters.
PB  - Beograd : Savez inženjera i tehničara Srbije
C3  - Zbornik radova sa 44. Međunarodne konferencije Vodovod i kanalizacija '23, 10-13- oktobar 2023, Zlatibor
T1  - Mogućnost primene otpadne biomase (Arundo donax) za adsorpciju Ni2+ iz vodenih rastvora
T1  - The possibility of using waste biomass (Arundo donax) for adsorption of Ni2+ from aqueous solutions
SP  - 243
EP  - 248
UR  - https://hdl.handle.net/21.15107/rcub_cer_6789
ER  - 

@conference{
author = "Milošević, Dragana and Matović, Luka and Ljubić, Verica and Perendija, Jovana and Cvetković, Slobodan",
year = "2023",
abstract = "У овом раду, отпадна биомаса Аrundo donax (АД) је коришћена за адсорпцију Ni2+ из водених раствора. Површина АД је карактерисана СЕМ и ФТИР методама анализе. Адсорпциони експерименти су изведени у шаржним условима, при почетној pH вредности раствора pHi = 7 и различитим почетним концентрацијама Ni2+. Процес адсорпције је боље описан Фројндлиховим него Лангмировим моделом, односно адсорпција је вишеслојна са хетерогеном расподелом активних центара на површини материјала. Кинетика адсорпције Ni2+ на АД јe боље описана моделом псеудо–другог реда него моделом псеудо–првог реда, што указује на успостављање хемијских интеракција између адсорбата и слободних места на површини адсорбената. Добијени резултати су указали да АД има потенцијал за пречишћавање вода загађених никлом., In this paper, Arundo donax (AD) waste biomass was used for the adsorption of Ni2+ from aqueous solutions. The AD surface was characterized by SEM and FT-IR analysis. Adsorption experiments were carried out in the batch adsorption system, at an initial pH value of pHi = 7 and different initial Ni2+ concentrations. The adsorption process was better described by Freundlich’s than by Langmuir’s model, i.e. adsorption is multilayered with a heterogeneous distribution of active sites on the material surface. The kinetic study of Ni2+ adsorption showed that pseudo–second order was the model that better described the experimental adsorption data compared to pseudo first order model, indicating the formation of chemical interactions between adsorbate and free sites on the adsorbent surface. The obtained results indicated that AD has the potential for the remediation of nickel-polluted waters.",
publisher = "Beograd : Savez inženjera i tehničara Srbije",
journal = "Zbornik radova sa 44. Međunarodne konferencije Vodovod i kanalizacija '23, 10-13- oktobar 2023, Zlatibor",
title = "Mogućnost primene otpadne biomase (Arundo donax) za adsorpciju Ni2+ iz vodenih rastvora, The possibility of using waste biomass (Arundo donax) for adsorption of Ni2+ from aqueous solutions",
pages = "243-248",
url = "https://hdl.handle.net/21.15107/rcub_cer_6789"
}

Milošević, D., Matović, L., Ljubić, V., Perendija, J.,& Cvetković, S.. (2023). Mogućnost primene otpadne biomase (Arundo donax) za adsorpciju Ni2+ iz vodenih rastvora. in Zbornik radova sa 44. Međunarodne konferencije Vodovod i kanalizacija '23, 10-13- oktobar 2023, Zlatibor
Beograd : Savez inženjera i tehničara Srbije., 243-248.
https://hdl.handle.net/21.15107/rcub_cer_6789

Milošević D, Matović L, Ljubić V, Perendija J, Cvetković S. Mogućnost primene otpadne biomase (Arundo donax) za adsorpciju Ni2+ iz vodenih rastvora. in Zbornik radova sa 44. Međunarodne konferencije Vodovod i kanalizacija '23, 10-13- oktobar 2023, Zlatibor. 2023;:243-248.
https://hdl.handle.net/21.15107/rcub_cer_6789 .

Milošević, Dragana, Matović, Luka, Ljubić, Verica, Perendija, Jovana, Cvetković, Slobodan, "Mogućnost primene otpadne biomase (Arundo donax) za adsorpciju Ni2+ iz vodenih rastvora" in Zbornik radova sa 44. Međunarodne konferencije Vodovod i kanalizacija '23, 10-13- oktobar 2023, Zlatibor (2023):243-248,
https://hdl.handle.net/21.15107/rcub_cer_6789 .

TY  - CONF
AU  - Cvetković, Slobodan
AU  - Popović, Mina
AU  - Perendija, Jovana
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6929
AB  - In the modern era, human society consumes more natural resources than ever before. Increasing demands for energy, food, water, metals, and other natural resources have resulted in resource depletion, environmental pollution, and nature destruction. It is necessary to establish different sustainable approaches to define these effects on the environment. Life Cycle Assessment as an analytical approach can provide a determination of environmental impacts as a consequence of the use of natural resources. The aim of this study is to highlight the significance of life cycle assessment and reveal how it is connected to sustainable issues in the use of natural resources.
PB  - University of Belgrade, Technical Faculty in Bor
C3  - XV International Mineral Processing and Recycling Conference, 17-19 May 2023, Belgrade, Serbia
T1  - Life cycle assessment and use of natural resources
SP  - 89
EP  - 94
UR  - https://hdl.handle.net/21.15107/rcub_cer_6929
ER  - 

@conference{
author = "Cvetković, Slobodan and Popović, Mina and Perendija, Jovana",
year = "2023",
abstract = "In the modern era, human society consumes more natural resources than ever before. Increasing demands for energy, food, water, metals, and other natural resources have resulted in resource depletion, environmental pollution, and nature destruction. It is necessary to establish different sustainable approaches to define these effects on the environment. Life Cycle Assessment as an analytical approach can provide a determination of environmental impacts as a consequence of the use of natural resources. The aim of this study is to highlight the significance of life cycle assessment and reveal how it is connected to sustainable issues in the use of natural resources.",
publisher = "University of Belgrade, Technical Faculty in Bor",
journal = "XV International Mineral Processing and Recycling Conference, 17-19 May 2023, Belgrade, Serbia",
title = "Life cycle assessment and use of natural resources",
pages = "89-94",
url = "https://hdl.handle.net/21.15107/rcub_cer_6929"
}

Cvetković, S., Popović, M.,& Perendija, J.. (2023). Life cycle assessment and use of natural resources. in XV International Mineral Processing and Recycling Conference, 17-19 May 2023, Belgrade, Serbia
University of Belgrade, Technical Faculty in Bor., 89-94.
https://hdl.handle.net/21.15107/rcub_cer_6929

Cvetković S, Popović M, Perendija J. Life cycle assessment and use of natural resources. in XV International Mineral Processing and Recycling Conference, 17-19 May 2023, Belgrade, Serbia. 2023;:89-94.
https://hdl.handle.net/21.15107/rcub_cer_6929 .

Cvetković, Slobodan, Popović, Mina, Perendija, Jovana, "Life cycle assessment and use of natural resources" in XV International Mineral Processing and Recycling Conference, 17-19 May 2023, Belgrade, Serbia (2023):89-94,
https://hdl.handle.net/21.15107/rcub_cer_6929 .

TY  - CONF
AU  - Cvetković, Slobodan
AU  - Perendija, Jovana
AU  - Radomirović, Aleksandra
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6927
AB  - Biogas je gasna smeša koja nastaje tretmanom otpadnih tokova u procesu anaerobne digestije.
Proizvodnja električne energije iz kogeneracionih postrojenja koja koriste biogas je u porastu u
Republici Srbiji. U ovom radu je izvršena kvantifikacija emisija (ugljen-dioksida, sumpor-dioksida,
oksida azota, metana i čestica) u atmosferu iz tipičnog biogasnog postrojenja u Republici Srbiji,
instalisanog kapaciteta od 1 MW. Dobijeni rezultati su pokazali da proizvodnja električne energije
iz kogeneracije biogasa predstavlja dobro rešenje u cilju smanjenja emisije gasova sa efektom
staklene bašte i racionalne upotrebe prirodnih resursa.
PB  - Serbian society of corrosion and materials protection (UISKoZaM) / Udruženje inženjera Srbije za koroziju i zaštitu materijala
C3  - Proceedings - XXIV YuCorr International Conference, Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection, May 28-31, 2023, Divčibare, Serbia
T1  - Assessment of Emissions into the Atmosphere from Biogas Cogeneration Plant in Serbia
SP  - 81
EP  - 86
UR  - https://hdl.handle.net/21.15107/rcub_cer_6927
ER  - 

@conference{
author = "Cvetković, Slobodan and Perendija, Jovana and Radomirović, Aleksandra",
year = "2023",
abstract = "Biogas je gasna smeša koja nastaje tretmanom otpadnih tokova u procesu anaerobne digestije.
Proizvodnja električne energije iz kogeneracionih postrojenja koja koriste biogas je u porastu u
Republici Srbiji. U ovom radu je izvršena kvantifikacija emisija (ugljen-dioksida, sumpor-dioksida,
oksida azota, metana i čestica) u atmosferu iz tipičnog biogasnog postrojenja u Republici Srbiji,
instalisanog kapaciteta od 1 MW. Dobijeni rezultati su pokazali da proizvodnja električne energije
iz kogeneracije biogasa predstavlja dobro rešenje u cilju smanjenja emisije gasova sa efektom
staklene bašte i racionalne upotrebe prirodnih resursa.",
publisher = "Serbian society of corrosion and materials protection (UISKoZaM) / Udruženje inženjera Srbije za koroziju i zaštitu materijala",
journal = "Proceedings - XXIV YuCorr International Conference, Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection, May 28-31, 2023, Divčibare, Serbia",
title = "Assessment of Emissions into the Atmosphere from Biogas Cogeneration Plant in Serbia",
pages = "81-86",
url = "https://hdl.handle.net/21.15107/rcub_cer_6927"
}

Cvetković, S., Perendija, J.,& Radomirović, A.. (2023). Assessment of Emissions into the Atmosphere from Biogas Cogeneration Plant in Serbia. in Proceedings - XXIV YuCorr International Conference, Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection, May 28-31, 2023, Divčibare, Serbia
Serbian society of corrosion and materials protection (UISKoZaM) / Udruženje inženjera Srbije za koroziju i zaštitu materijala., 81-86.
https://hdl.handle.net/21.15107/rcub_cer_6927

Cvetković S, Perendija J, Radomirović A. Assessment of Emissions into the Atmosphere from Biogas Cogeneration Plant in Serbia. in Proceedings - XXIV YuCorr International Conference, Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection, May 28-31, 2023, Divčibare, Serbia. 2023;:81-86.
https://hdl.handle.net/21.15107/rcub_cer_6927 .

Cvetković, Slobodan, Perendija, Jovana, Radomirović, Aleksandra, "Assessment of Emissions into the Atmosphere from Biogas Cogeneration Plant in Serbia" in Proceedings - XXIV YuCorr International Conference, Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection, May 28-31, 2023, Divčibare, Serbia (2023):81-86,
https://hdl.handle.net/21.15107/rcub_cer_6927 .

TY  - CONF
AU  - Janković, Bojan
AU  - Janković, Marija
AU  - Cvetković, Slobodan
AU  - Manić, Nebojša
AU  - Pijović-Radovanović, Milena
AU  - Perendija, Jovana
AU  - Cvetinović, Dejan
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7404
AB  - Biomasa se smatra važnim obnovljivim resursom, koji igra ključnu ulogu u razvoju održivih energetskih sistema. Biomasa se može pretvoriti u energiju ili vredne hemikalije sagorevanjem, utečnjavanjem, pirolizom i gasifikacijom. Među ovim procesima, termička gasifikacija ‛razlaže’ biomasu u lake hemijske vrste na visokim temperaturama, koje se mogu primeniti na biomasu sa najvećom raznovrsnošću. Kao krajnji (ciljni) proizvod gasifikacije biomase, singas ili gas bogat vodonikom (H2), su veoma važni međuproizvodi u petrohemijskoj industriji. Međutim, problematični katran koji se proizvodi tokom gasifikacije mogao bi da donese niz problema. Katalitička gasifikacija biomase je obećavajuća strategija za značajno ublažavanje ovih problema. Katalizatori na bazi prelaznih metala za katalitičku gasifikaciju biomase proučavani su poslednjih decenija. U ovom pregledu se razmatraju različiti katalizatori prelaznih metala za gasifikaciju biomase, uključujući monometalne i bimetalne katalizatore na bazi nikla (Ni) i druge katalizatore na bazi Fe i Pt. Performanse ovih katalizatora su bile procenjene na osnovu primenjenih parametara reakcije, kvaliteta proizvedenog singasa i učinkovitosti u smanjenju katrana. Sumirane su primena DFT (‛funkcionalne teorije gustine’) proračuna i AI (‛veštačke inteligencije’) za proučavanje mehanizama gasifikacije biomase, a takođe je bio i razmatran uzrok deaktivacije katalizatora i regeneracije istrošenih katalizatora. Isto tako, u ovom pregledu, razmotren je potencijal razvoja katalitičke gasifikacije biomase u Republici Srbiji.
AB  - Biomass is considered as an important renewable resource, which plays a key role in the  development of sustainable energy systems. Biomass can be converted into energy or valuable  chemicals by combustion, liquefaction, pyrolysis and gasification. Among these processes, thermal  gasification “decomposes” biomass into the light chemical species at high temperatures, which can  be applied to biomass with the greatest diversity. As the final (target) product of biomass gasification,  syngas or gas rich in hydrogen (H2), are very important intermediate products in the petrochemical  industry. However, the problematic tar produced during gasification could bring a number of  problems. Catalytic biomass gasification is a promising strategy to significantly alleviate these  problems. Transition metal-based catalysts for catalytic biomass gasification have been studied in  recent decades. This review discusses various transition metal catalysts for biomass gasification,  including nickel (Ni)-based monometallic and bimetallic catalysts and other Fe- and Pt-based  catalysts. The performance of these catalysts is evaluated based on the applied reaction parameters,  the quality of the syngas produced, and the tar reduction performance. Applications of DFT (‛Density  Functional Theory’) calculations and AI (‛Artificial Intelligence’) to study biomass gasification  mechanisms are summarized, and the cause of catalyst deactivation and regeneration of spent  catalysts are also discussed. Likewise, in this review, the development potential of catalytic  gasification of biomass in the Republic of Serbia was considered.
PB  - Belgrade : Society of Thermal Engineers of Serbia
C3  - International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova
T1  - Pregled katalitičke gasifikacije biomase pogodne za industriju u Republici Srbiji
T1  - Overview of catalytic gasification of biomass suitable for industry in the Republic of Serbia
SP  - 910
EP  - 921
UR  - https://hdl.handle.net/21.15107/rcub_cer_7404
ER  - 

@conference{
author = "Janković, Bojan and Janković, Marija and Cvetković, Slobodan and Manić, Nebojša and Pijović-Radovanović, Milena and Perendija, Jovana and Cvetinović, Dejan",
year = "2023",
abstract = "Biomasa se smatra važnim obnovljivim resursom, koji igra ključnu ulogu u razvoju održivih energetskih sistema. Biomasa se može pretvoriti u energiju ili vredne hemikalije sagorevanjem, utečnjavanjem, pirolizom i gasifikacijom. Među ovim procesima, termička gasifikacija ‛razlaže’ biomasu u lake hemijske vrste na visokim temperaturama, koje se mogu primeniti na biomasu sa najvećom raznovrsnošću. Kao krajnji (ciljni) proizvod gasifikacije biomase, singas ili gas bogat vodonikom (H2), su veoma važni međuproizvodi u petrohemijskoj industriji. Međutim, problematični katran koji se proizvodi tokom gasifikacije mogao bi da donese niz problema. Katalitička gasifikacija biomase je obećavajuća strategija za značajno ublažavanje ovih problema. Katalizatori na bazi prelaznih metala za katalitičku gasifikaciju biomase proučavani su poslednjih decenija. U ovom pregledu se razmatraju različiti katalizatori prelaznih metala za gasifikaciju biomase, uključujući monometalne i bimetalne katalizatore na bazi nikla (Ni) i druge katalizatore na bazi Fe i Pt. Performanse ovih katalizatora su bile procenjene na osnovu primenjenih parametara reakcije, kvaliteta proizvedenog singasa i učinkovitosti u smanjenju katrana. Sumirane su primena DFT (‛funkcionalne teorije gustine’) proračuna i AI (‛veštačke inteligencije’) za proučavanje mehanizama gasifikacije biomase, a takođe je bio i razmatran uzrok deaktivacije katalizatora i regeneracije istrošenih katalizatora. Isto tako, u ovom pregledu, razmotren je potencijal razvoja katalitičke gasifikacije biomase u Republici Srbiji., Biomass is considered as an important renewable resource, which plays a key role in the  development of sustainable energy systems. Biomass can be converted into energy or valuable  chemicals by combustion, liquefaction, pyrolysis and gasification. Among these processes, thermal  gasification “decomposes” biomass into the light chemical species at high temperatures, which can  be applied to biomass with the greatest diversity. As the final (target) product of biomass gasification,  syngas or gas rich in hydrogen (H2), are very important intermediate products in the petrochemical  industry. However, the problematic tar produced during gasification could bring a number of  problems. Catalytic biomass gasification is a promising strategy to significantly alleviate these  problems. Transition metal-based catalysts for catalytic biomass gasification have been studied in  recent decades. This review discusses various transition metal catalysts for biomass gasification,  including nickel (Ni)-based monometallic and bimetallic catalysts and other Fe- and Pt-based  catalysts. The performance of these catalysts is evaluated based on the applied reaction parameters,  the quality of the syngas produced, and the tar reduction performance. Applications of DFT (‛Density  Functional Theory’) calculations and AI (‛Artificial Intelligence’) to study biomass gasification  mechanisms are summarized, and the cause of catalyst deactivation and regeneration of spent  catalysts are also discussed. Likewise, in this review, the development potential of catalytic  gasification of biomass in the Republic of Serbia was considered.",
publisher = "Belgrade : Society of Thermal Engineers of Serbia",
journal = "International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova",
title = "Pregled katalitičke gasifikacije biomase pogodne za industriju u Republici Srbiji, Overview of catalytic gasification of biomass suitable for industry in the Republic of Serbia",
pages = "910-921",
url = "https://hdl.handle.net/21.15107/rcub_cer_7404"
}

Janković, B., Janković, M., Cvetković, S., Manić, N., Pijović-Radovanović, M., Perendija, J.,& Cvetinović, D.. (2023). Pregled katalitičke gasifikacije biomase pogodne za industriju u Republici Srbiji. in International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova
Belgrade : Society of Thermal Engineers of Serbia., 910-921.
https://hdl.handle.net/21.15107/rcub_cer_7404

Janković B, Janković M, Cvetković S, Manić N, Pijović-Radovanović M, Perendija J, Cvetinović D. Pregled katalitičke gasifikacije biomase pogodne za industriju u Republici Srbiji. in International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova. 2023;:910-921.
https://hdl.handle.net/21.15107/rcub_cer_7404 .

Janković, Bojan, Janković, Marija, Cvetković, Slobodan, Manić, Nebojša, Pijović-Radovanović, Milena, Perendija, Jovana, Cvetinović, Dejan, "Pregled katalitičke gasifikacije biomase pogodne za industriju u Republici Srbiji" in International Conference Power Plants 2023, Programme, Full Papers Proceedings, 8th – 10th November 2023 Zlatibor, Serbia / Međunarodna konferencija Elektrane 2023, Program, Zbornik radova (2023):910-921,
https://hdl.handle.net/21.15107/rcub_cer_7404 .

TY  - JOUR
AU  - Manić, Nebojša
AU  - Janković, Bojan
AU  - Stojiljković, Dragoslava
AU  - Popović, Mina
AU  - Cvetković, Slobodan
AU  - Mikulčić, Hrvoje
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5594
AB  - The actual paper analyses the performance of different energy crop biomasses, Miscanthus x giganteus Greef et Deu (EC-1) and Arundo donax L. (EC-2) stems, during slow pyrolysis process monitored by simultaneous TG-DTG-MS techniques, through chemical exergy analysis. In addition to considering the physical and chemical characteristics of given feedstocks for their efficient thermo-chemical conversion into pyrolytic gas, in this study, a theoretical simulation for their implementation use in the gasification process was also performed. The performed thermodynamic study with detailed exergy analysis showed that the large contribution of exergy in syngas components such as CO and H2 originates primarily from cellulose pyrolysis of EC-1, while large exergy contribution in syngas component as CH4 originates from lignin pyrolysis of EC-2. It was founded that the exergy efficiency of syngas for EC-1 equals 19.04%, which is lower than the exergy efficiency of syngas for EC-2 (20.46%), as a result of higher ash content in EC-1. Also, it was reported that higher carbon (C) and hydrogen (H) contents present in the EC-2 sample generate higher gaseous energy and exergy values, i.e. the increment of exergy efficiency of syngas, by both approaches (pyrolysis and gasification exergy analysis), but results in a lower biomass chemical exergy (18.28 MJ kg−1). The methodology applied to the gasification process was shown a higher exergy efficiency for EC-2 (∼36 – 42%) than for EC-1 (∼33 – 39%), dependant on the equivalence ratio (ER).
PB  - Elsevier B.V.
T2  - Thermochimica Acta
T1  - Thermodynamic study on energy crops thermochemical conversion to increase the efficiency of energy production
VL  - 719
SP  - 179408
DO  - 10.1016/j.tca.2022.179408
ER  - 

@article{
author = "Manić, Nebojša and Janković, Bojan and Stojiljković, Dragoslava and Popović, Mina and Cvetković, Slobodan and Mikulčić, Hrvoje",
year = "2023",
abstract = "The actual paper analyses the performance of different energy crop biomasses, Miscanthus x giganteus Greef et Deu (EC-1) and Arundo donax L. (EC-2) stems, during slow pyrolysis process monitored by simultaneous TG-DTG-MS techniques, through chemical exergy analysis. In addition to considering the physical and chemical characteristics of given feedstocks for their efficient thermo-chemical conversion into pyrolytic gas, in this study, a theoretical simulation for their implementation use in the gasification process was also performed. The performed thermodynamic study with detailed exergy analysis showed that the large contribution of exergy in syngas components such as CO and H2 originates primarily from cellulose pyrolysis of EC-1, while large exergy contribution in syngas component as CH4 originates from lignin pyrolysis of EC-2. It was founded that the exergy efficiency of syngas for EC-1 equals 19.04%, which is lower than the exergy efficiency of syngas for EC-2 (20.46%), as a result of higher ash content in EC-1. Also, it was reported that higher carbon (C) and hydrogen (H) contents present in the EC-2 sample generate higher gaseous energy and exergy values, i.e. the increment of exergy efficiency of syngas, by both approaches (pyrolysis and gasification exergy analysis), but results in a lower biomass chemical exergy (18.28 MJ kg−1). The methodology applied to the gasification process was shown a higher exergy efficiency for EC-2 (∼36 – 42%) than for EC-1 (∼33 – 39%), dependant on the equivalence ratio (ER).",
publisher = "Elsevier B.V.",
journal = "Thermochimica Acta",
title = "Thermodynamic study on energy crops thermochemical conversion to increase the efficiency of energy production",
volume = "719",
pages = "179408",
doi = "10.1016/j.tca.2022.179408"
}

Manić, N., Janković, B., Stojiljković, D., Popović, M., Cvetković, S.,& Mikulčić, H.. (2023). Thermodynamic study on energy crops thermochemical conversion to increase the efficiency of energy production. in Thermochimica Acta
Elsevier B.V.., 719, 179408.
https://doi.org/10.1016/j.tca.2022.179408

Manić N, Janković B, Stojiljković D, Popović M, Cvetković S, Mikulčić H. Thermodynamic study on energy crops thermochemical conversion to increase the efficiency of energy production. in Thermochimica Acta. 2023;719:179408.
doi:10.1016/j.tca.2022.179408 .

Manić, Nebojša, Janković, Bojan, Stojiljković, Dragoslava, Popović, Mina, Cvetković, Slobodan, Mikulčić, Hrvoje, "Thermodynamic study on energy crops thermochemical conversion to increase the efficiency of energy production" in Thermochimica Acta, 719 (2023):179408,
https://doi.org/10.1016/j.tca.2022.179408 . .

TY  - JOUR
AU  - Janković, Bojan
AU  - Manić, Nebojša
AU  - Popović, Mina
AU  - Cvetković, Slobodan
AU  - Dželetović, Željko
AU  - Stojiljković, Dragoslava
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5647
AB  - This work provides insight into possibilities of maximum utilization of C3-C4 energy crops for thermo-chemical conversion (slow pyrolysis) into high value biochemicals, platform chemicals, drop-in fuels and combustible gases, using coupled kinetic and thermodynamic analyses. In order to examine the kinetics of decomposition of lignocellulosic components, model-free and model-based methods faded from thermal analysis data were used. Thermodynamic compensation was used for explicatory of entropy controlled process, where conformational changes and chemical exchange directly affect the type and distribution of obtained pyrolytic products. It was shown that external variable (i.e. the heating rate/temperature) does not change either an entire reaction mechanism (mechanistic nature of MG and AD pyrolyses) or transition state, but it changes activation enthalpy and activation entropy which lead to differences in terms of heat energy consumption, pyrolysis favorability and thus rates of generation of activated complex among feedstocks. To investigate the interplay of catalysts (present in feedstocks as minerals) and reactants, selective energy transfer (SET) model was applied. The model showed an activity of catalyst with different outputs towards two reactants, lignin part of the structure in MG and 1,8-cineole in AD. It was shown that AD is more convenient for thermal conversion than MG, regarding to lower transformation energy requirement, higher reactivity, as well as much faster accumulation of products.
PB  - Elsevier B.V.
T2  - Industrial Crops and Products
T1  - Kinetic and thermodynamic compensation phenomena in C3 and C4 energy crops pyrolysis: Implications on reaction mechanisms and product distributions
VL  - 194
SP  - 116275
DO  - 10.1016/j.indcrop.2023.116275
ER  - 

@article{
author = "Janković, Bojan and Manić, Nebojša and Popović, Mina and Cvetković, Slobodan and Dželetović, Željko and Stojiljković, Dragoslava",
year = "2023",
abstract = "This work provides insight into possibilities of maximum utilization of C3-C4 energy crops for thermo-chemical conversion (slow pyrolysis) into high value biochemicals, platform chemicals, drop-in fuels and combustible gases, using coupled kinetic and thermodynamic analyses. In order to examine the kinetics of decomposition of lignocellulosic components, model-free and model-based methods faded from thermal analysis data were used. Thermodynamic compensation was used for explicatory of entropy controlled process, where conformational changes and chemical exchange directly affect the type and distribution of obtained pyrolytic products. It was shown that external variable (i.e. the heating rate/temperature) does not change either an entire reaction mechanism (mechanistic nature of MG and AD pyrolyses) or transition state, but it changes activation enthalpy and activation entropy which lead to differences in terms of heat energy consumption, pyrolysis favorability and thus rates of generation of activated complex among feedstocks. To investigate the interplay of catalysts (present in feedstocks as minerals) and reactants, selective energy transfer (SET) model was applied. The model showed an activity of catalyst with different outputs towards two reactants, lignin part of the structure in MG and 1,8-cineole in AD. It was shown that AD is more convenient for thermal conversion than MG, regarding to lower transformation energy requirement, higher reactivity, as well as much faster accumulation of products.",
publisher = "Elsevier B.V.",
journal = "Industrial Crops and Products",
title = "Kinetic and thermodynamic compensation phenomena in C3 and C4 energy crops pyrolysis: Implications on reaction mechanisms and product distributions",
volume = "194",
pages = "116275",
doi = "10.1016/j.indcrop.2023.116275"
}

Janković, B., Manić, N., Popović, M., Cvetković, S., Dželetović, Ž.,& Stojiljković, D.. (2023). Kinetic and thermodynamic compensation phenomena in C3 and C4 energy crops pyrolysis: Implications on reaction mechanisms and product distributions. in Industrial Crops and Products
Elsevier B.V.., 194, 116275.
https://doi.org/10.1016/j.indcrop.2023.116275

Janković B, Manić N, Popović M, Cvetković S, Dželetović Ž, Stojiljković D. Kinetic and thermodynamic compensation phenomena in C3 and C4 energy crops pyrolysis: Implications on reaction mechanisms and product distributions. in Industrial Crops and Products. 2023;194:116275.
doi:10.1016/j.indcrop.2023.116275 .

Janković, Bojan, Manić, Nebojša, Popović, Mina, Cvetković, Slobodan, Dželetović, Željko, Stojiljković, Dragoslava, "Kinetic and thermodynamic compensation phenomena in C3 and C4 energy crops pyrolysis: Implications on reaction mechanisms and product distributions" in Industrial Crops and Products, 194 (2023):116275,
https://doi.org/10.1016/j.indcrop.2023.116275 . .

TY  - JOUR
AU  - Ljubić, Verica
AU  - Perendija, Jovana
AU  - Cvetković, Slobodan
AU  - Rogan, Jelena
AU  - Trivunac, Katarina
AU  - Stojanović, Marijana
AU  - Popović, Mina
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6883
AB  - Nowadays, exopolysaccharides (EPS) produced from bacterial cells are manufactured for their use in different industries in the world, mainly in the food, pharmaceutical, and wastewater industries. The characteristics of EPS, such as being biodegradable, safe, high adsorption capacity, and reusable, make them significant and potential applications in the purification of contaminated water of heavy metals. In this study, the possible application in biosorption Ni2+ ions from contaminated water was assessed using this exopolysaccharide as a biosorbent. The new exopolysaccharide from the bacterial strain K. oxytoca J7 was extracted, isolated, and characterized using SEM, FTIR, XRD, TGA/DTG, and MALDI-TOF MS analysis. Likewise, the cytotoxic activity was performed for EPS from K. oxytoca J7 strain. The aim of this study was to investigate the possible application of non-toxic exopolysaccharide in the purification of contaminated water by removing Ni2+ ions. The results obtained from the biosorption study showed that the Langmuir model is well suited to describe the adsorption process of Ni2+ ions by EPS from K. oxytoca J7, with a maximum adsorption capacity of 269.97 mg g–1. The importance of this study is the possible use of natural nontoxic exopolysaccharide extracted from the pathogen microorganism, K. oxytoca J7, for the removal of Ni2+ ions from the contaminated water.
PB  - Springer
T2  - Journal of Polymers and the Environment
T1  - Removal of Ni2+ ions from Contaminated Water by New Exopolysaccharide Extracted from K. oxytoca J7 as Biosorbent
DO  - 10.1007/s10924-023-03031-5
ER  - 

@article{
author = "Ljubić, Verica and Perendija, Jovana and Cvetković, Slobodan and Rogan, Jelena and Trivunac, Katarina and Stojanović, Marijana and Popović, Mina",
year = "2023",
abstract = "Nowadays, exopolysaccharides (EPS) produced from bacterial cells are manufactured for their use in different industries in the world, mainly in the food, pharmaceutical, and wastewater industries. The characteristics of EPS, such as being biodegradable, safe, high adsorption capacity, and reusable, make them significant and potential applications in the purification of contaminated water of heavy metals. In this study, the possible application in biosorption Ni2+ ions from contaminated water was assessed using this exopolysaccharide as a biosorbent. The new exopolysaccharide from the bacterial strain K. oxytoca J7 was extracted, isolated, and characterized using SEM, FTIR, XRD, TGA/DTG, and MALDI-TOF MS analysis. Likewise, the cytotoxic activity was performed for EPS from K. oxytoca J7 strain. The aim of this study was to investigate the possible application of non-toxic exopolysaccharide in the purification of contaminated water by removing Ni2+ ions. The results obtained from the biosorption study showed that the Langmuir model is well suited to describe the adsorption process of Ni2+ ions by EPS from K. oxytoca J7, with a maximum adsorption capacity of 269.97 mg g–1. The importance of this study is the possible use of natural nontoxic exopolysaccharide extracted from the pathogen microorganism, K. oxytoca J7, for the removal of Ni2+ ions from the contaminated water.",
publisher = "Springer",
journal = "Journal of Polymers and the Environment",
title = "Removal of Ni2+ ions from Contaminated Water by New Exopolysaccharide Extracted from K. oxytoca J7 as Biosorbent",
doi = "10.1007/s10924-023-03031-5"
}

Ljubić, V., Perendija, J., Cvetković, S., Rogan, J., Trivunac, K., Stojanović, M.,& Popović, M.. (2023). Removal of Ni2+ ions from Contaminated Water by New Exopolysaccharide Extracted from K. oxytoca J7 as Biosorbent. in Journal of Polymers and the Environment
Springer..
https://doi.org/10.1007/s10924-023-03031-5

Ljubić V, Perendija J, Cvetković S, Rogan J, Trivunac K, Stojanović M, Popović M. Removal of Ni2+ ions from Contaminated Water by New Exopolysaccharide Extracted from K. oxytoca J7 as Biosorbent. in Journal of Polymers and the Environment. 2023;.
doi:10.1007/s10924-023-03031-5 .

Ljubić, Verica, Perendija, Jovana, Cvetković, Slobodan, Rogan, Jelena, Trivunac, Katarina, Stojanović, Marijana, Popović, Mina, "Removal of Ni2+ ions from Contaminated Water by New Exopolysaccharide Extracted from K. oxytoca J7 as Biosorbent" in Journal of Polymers and the Environment (2023),
https://doi.org/10.1007/s10924-023-03031-5 . .

TY  - JOUR
AU  - Cvetković, Slobodan M.
AU  - Kaluđerović Radoičić, Tatjana
AU  - Grbović Novaković, Jasmina
AU  - Kovačević, Vlado
AU  - Lopičić, Zorica
AU  - Adamović, Vladimir
AU  - Kijevčanin, Mirjana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5377
AB  - Renewable hydrogen produced from the waste streams can be a good option for clean energy production and reduction of greenhouse gases emissions into the environment. In this study, the potential for hydrogen production from the food industry wastewaters in Serbia and the further use of the calculated potentials were investigated. This was performed through two technological routes including the biogas steam reforming process and the electrolysis after biogas cogeneration process. Furthermore, the environmental impacts of these processes were considered. The total hydrogen potential via the biogas steam reforming process was 4094.70 tons, while the total hydrogen potential via the electrolysis after biogas cogeneration process was 1751.08 tons. These potentials can be used for direct energy production in the food industry, electricity production for the national electric grid, transport, injection in the natural gas grid and/or as a resource in the chemical industry. Regarding the Greenhouse Gas emissions reduction, hydrogen production by both routes represents a promising pathway. The results of this work can serve the decision makers to plan hydrogen application in the energy sector of the Republic of Serbia defining supporting measures for its application. Also, the presented analysis is enforceable in the Western Balkan countries for the application of hydrogen as an energy source in their systems for energy production, transport and economy.
PB  - Elsevier
T2  - Journal of Cleaner Production
T1  - Renewable hydrogen production perspective in Serbia via biogas generated from food processing wastewaters
VL  - 363
SP  - 132142
DO  - 10.1016/j.jclepro.2022.132142
ER  - 

@article{
author = "Cvetković, Slobodan M. and Kaluđerović Radoičić, Tatjana and Grbović Novaković, Jasmina and Kovačević, Vlado and Lopičić, Zorica and Adamović, Vladimir and Kijevčanin, Mirjana",
year = "2022",
abstract = "Renewable hydrogen produced from the waste streams can be a good option for clean energy production and reduction of greenhouse gases emissions into the environment. In this study, the potential for hydrogen production from the food industry wastewaters in Serbia and the further use of the calculated potentials were investigated. This was performed through two technological routes including the biogas steam reforming process and the electrolysis after biogas cogeneration process. Furthermore, the environmental impacts of these processes were considered. The total hydrogen potential via the biogas steam reforming process was 4094.70 tons, while the total hydrogen potential via the electrolysis after biogas cogeneration process was 1751.08 tons. These potentials can be used for direct energy production in the food industry, electricity production for the national electric grid, transport, injection in the natural gas grid and/or as a resource in the chemical industry. Regarding the Greenhouse Gas emissions reduction, hydrogen production by both routes represents a promising pathway. The results of this work can serve the decision makers to plan hydrogen application in the energy sector of the Republic of Serbia defining supporting measures for its application. Also, the presented analysis is enforceable in the Western Balkan countries for the application of hydrogen as an energy source in their systems for energy production, transport and economy.",
publisher = "Elsevier",
journal = "Journal of Cleaner Production",
title = "Renewable hydrogen production perspective in Serbia via biogas generated from food processing wastewaters",
volume = "363",
pages = "132142",
doi = "10.1016/j.jclepro.2022.132142"
}

Cvetković, S. M., Kaluđerović Radoičić, T., Grbović Novaković, J., Kovačević, V., Lopičić, Z., Adamović, V.,& Kijevčanin, M.. (2022). Renewable hydrogen production perspective in Serbia via biogas generated from food processing wastewaters. in Journal of Cleaner Production
Elsevier., 363, 132142.
https://doi.org/10.1016/j.jclepro.2022.132142

Cvetković SM, Kaluđerović Radoičić T, Grbović Novaković J, Kovačević V, Lopičić Z, Adamović V, Kijevčanin M. Renewable hydrogen production perspective in Serbia via biogas generated from food processing wastewaters. in Journal of Cleaner Production. 2022;363:132142.
doi:10.1016/j.jclepro.2022.132142 .

Cvetković, Slobodan M., Kaluđerović Radoičić, Tatjana, Grbović Novaković, Jasmina, Kovačević, Vlado, Lopičić, Zorica, Adamović, Vladimir, Kijevčanin, Mirjana, "Renewable hydrogen production perspective in Serbia via biogas generated from food processing wastewaters" in Journal of Cleaner Production, 363 (2022):132142,
https://doi.org/10.1016/j.jclepro.2022.132142 . .

TY  - JOUR
AU  - Ljubić, Verica
AU  - Milošević, Milena
AU  - Cvetković, Slobodan
AU  - Stojanović, Marijana
AU  - Novović, Katarina
AU  - Dinić, Miroslav
AU  - Popović, Mina
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5325
AB  - As one of the most promising groups of microbes, lactic acid bacteria (LAB) can synthesize metabolites that can be used in different industries over the world, mainly in the pharmaceutical, food, and dairy industries. In this study, a novel exopolysaccharide was extracted and isolated from the probiotic strain Lactobacillus reuteri B2, and assessed on biological activity and its possible application as a biosorbent for the removal of Ni2+ ions from contaminated water. New exopolysaccharide was characterized using FTIR, SEM, XRD, NMR, MALDI-TOF MS, and TGA/DTG analysis. Biological assays included antioxidative activity, cytotoxic assay, and adhesion assay of L. reuteri B2 to HT29 cells. Our hypothesis was that if this exopolysaccharide is nontoxic, it can be used as a novel biomaterial for the possible application of the removal of Ni2+ ions from contaminated water. The scavenging effect of nontoxic exopolysaccharide was 76% at 2 mg/mL using ABTS assay, in biological assays, while the removal efficiency of nickel from the aqueous solution was 92.96% in biosorption study. According to these results, this exopolysaccharide can be considered a very promising biomaterial for potential application in different industries, from pharmacy to wastewater treatments.
PB  - Springer
T2  - Biomass Conversion and Biorefinery
T1  - The new exopolysaccharide produced by the probiotic strain L. reuteri B2: extraction, biological properties, and possible application for Ni2+ ion removal from the contaminated water
DO  - 10.1007/s13399-022-03292-5
ER  - 

@article{
author = "Ljubić, Verica and Milošević, Milena and Cvetković, Slobodan and Stojanović, Marijana and Novović, Katarina and Dinić, Miroslav and Popović, Mina",
year = "2022",
abstract = "As one of the most promising groups of microbes, lactic acid bacteria (LAB) can synthesize metabolites that can be used in different industries over the world, mainly in the pharmaceutical, food, and dairy industries. In this study, a novel exopolysaccharide was extracted and isolated from the probiotic strain Lactobacillus reuteri B2, and assessed on biological activity and its possible application as a biosorbent for the removal of Ni2+ ions from contaminated water. New exopolysaccharide was characterized using FTIR, SEM, XRD, NMR, MALDI-TOF MS, and TGA/DTG analysis. Biological assays included antioxidative activity, cytotoxic assay, and adhesion assay of L. reuteri B2 to HT29 cells. Our hypothesis was that if this exopolysaccharide is nontoxic, it can be used as a novel biomaterial for the possible application of the removal of Ni2+ ions from contaminated water. The scavenging effect of nontoxic exopolysaccharide was 76% at 2 mg/mL using ABTS assay, in biological assays, while the removal efficiency of nickel from the aqueous solution was 92.96% in biosorption study. According to these results, this exopolysaccharide can be considered a very promising biomaterial for potential application in different industries, from pharmacy to wastewater treatments.",
publisher = "Springer",
journal = "Biomass Conversion and Biorefinery",
title = "The new exopolysaccharide produced by the probiotic strain L. reuteri B2: extraction, biological properties, and possible application for Ni2+ ion removal from the contaminated water",
doi = "10.1007/s13399-022-03292-5"
}

Ljubić, V., Milošević, M., Cvetković, S., Stojanović, M., Novović, K., Dinić, M.,& Popović, M.. (2022). The new exopolysaccharide produced by the probiotic strain L. reuteri B2: extraction, biological properties, and possible application for Ni2+ ion removal from the contaminated water. in Biomass Conversion and Biorefinery
Springer..
https://doi.org/10.1007/s13399-022-03292-5

Ljubić V, Milošević M, Cvetković S, Stojanović M, Novović K, Dinić M, Popović M. The new exopolysaccharide produced by the probiotic strain L. reuteri B2: extraction, biological properties, and possible application for Ni2+ ion removal from the contaminated water. in Biomass Conversion and Biorefinery. 2022;.
doi:10.1007/s13399-022-03292-5 .

Ljubić, Verica, Milošević, Milena, Cvetković, Slobodan, Stojanović, Marijana, Novović, Katarina, Dinić, Miroslav, Popović, Mina, "The new exopolysaccharide produced by the probiotic strain L. reuteri B2: extraction, biological properties, and possible application for Ni2+ ion removal from the contaminated water" in Biomass Conversion and Biorefinery (2022),
https://doi.org/10.1007/s13399-022-03292-5 . .

TY  - JOUR
AU  - Cvetković, Slobodan
AU  - Popović, Mina
AU  - Ljubić, Verica
AU  - Perendija, Jovana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5624
AB  - Potreba za smanjenjem upotrebe fosilnih goriva, zbog štetnog uticaja na životnu sredinu i sve veća potražnja za  energijom, doveli su do proizvodnje energije iz obnovljivih izvora. Pristup čistoj i obnovljivoj energiji postao je imperativ za  društveni napredak. Poboljšanje postojećih resursa biomase u efikasne nosioce energije kao što je biogas iz anaerobne  digestije ima potencijal da obezbedi čistu i pouzdanu energiju, uz zaštitu životne sredine, racionalno korišćenje prirodnih  resursa i stvaranje novih radnih mesta. Uz smanjenje emisije gasova staklene bašte, biogas poboljšava energetsku  sigurnost i, kao obnovljivi izvor energije, omogućava eksploataciju otpadnih tokova. Biogas proizveden u sistemu  anaerobne digestije se obično sagoreva u kogeneracionoj jedinici da bi se proizvela toplota, električna energija i energija  za hlađenje. Konačno, biogas se može prečistiti u biometan, koristiti kao gorivo u vozilima ili ubrizgati u nacionalne mreže  prirodnog gasa. Digestat kao nusproizvod anaerobne digestije je pouzdan materijal za upotrebu kao đubrivo u poljoprivredi.  U ovom radu sumirano je korišćenje biogasa za proizvodnju toplotne, električne energije, rashladne energije, kao i goriva  sa pregledom postojećih tehnologija za njegovu upotrebu. Takođe, ovaj rad pruža priliku da se razmotri uloga biogasa u  budućim energetskim sistemima.
AB  - The need to reduce the use of fossil fuels, due to the harmful impact on the environment and the growing energy  demand, have led to the production of energy from renewable sources. Access to clean and renewable energy has become  imperative for social progress. Improving existing biomass resources into efficient energy carriers such as biogas from  anaerobic digestion has the potential to provide clean and reliable energy, with environmental protection, rationally using  natural resources and generation of new jobs. Along with reducing greenhouse gas emissions, biogas improves energy  security and, as a renewable energy source, enables the exploitation of waste streams. Biogas produced in an anaerobic  digestion system is usually burned in a cogeneration unit to produce heat, electricity, and cooling energy. Finally, biogas  can be purified into biomethane, used as a fuel for vehicles, or injected into national natural gas networks. Digestate as a  by-product of anaerobic digestion is a reliable material for use as a fertilizer in agriculture. This paper summarizes the use  of biogas for the production of heat, electricity, cooling energy, as well as fuel with an overview of existing technologies for  its use. Also, this paper provides an opportunity to consider the role of biogas in future energy systems.
PB  - Faculty of Philology, University of Belgrade
T2  - Ecologica
T1  - Biogas tehnologija u funkciji proizvodnje energije
VL  - 29
IS  - 108
SP  - 639
EP  - 646
DO  - 10.18485/ecologica.2022.29.108.22
ER  - 

@article{
author = "Cvetković, Slobodan and Popović, Mina and Ljubić, Verica and Perendija, Jovana",
year = "2022",
abstract = "Potreba za smanjenjem upotrebe fosilnih goriva, zbog štetnog uticaja na životnu sredinu i sve veća potražnja za  energijom, doveli su do proizvodnje energije iz obnovljivih izvora. Pristup čistoj i obnovljivoj energiji postao je imperativ za  društveni napredak. Poboljšanje postojećih resursa biomase u efikasne nosioce energije kao što je biogas iz anaerobne  digestije ima potencijal da obezbedi čistu i pouzdanu energiju, uz zaštitu životne sredine, racionalno korišćenje prirodnih  resursa i stvaranje novih radnih mesta. Uz smanjenje emisije gasova staklene bašte, biogas poboljšava energetsku  sigurnost i, kao obnovljivi izvor energije, omogućava eksploataciju otpadnih tokova. Biogas proizveden u sistemu  anaerobne digestije se obično sagoreva u kogeneracionoj jedinici da bi se proizvela toplota, električna energija i energija  za hlađenje. Konačno, biogas se može prečistiti u biometan, koristiti kao gorivo u vozilima ili ubrizgati u nacionalne mreže  prirodnog gasa. Digestat kao nusproizvod anaerobne digestije je pouzdan materijal za upotrebu kao đubrivo u poljoprivredi.  U ovom radu sumirano je korišćenje biogasa za proizvodnju toplotne, električne energije, rashladne energije, kao i goriva  sa pregledom postojećih tehnologija za njegovu upotrebu. Takođe, ovaj rad pruža priliku da se razmotri uloga biogasa u  budućim energetskim sistemima., The need to reduce the use of fossil fuels, due to the harmful impact on the environment and the growing energy  demand, have led to the production of energy from renewable sources. Access to clean and renewable energy has become  imperative for social progress. Improving existing biomass resources into efficient energy carriers such as biogas from  anaerobic digestion has the potential to provide clean and reliable energy, with environmental protection, rationally using  natural resources and generation of new jobs. Along with reducing greenhouse gas emissions, biogas improves energy  security and, as a renewable energy source, enables the exploitation of waste streams. Biogas produced in an anaerobic  digestion system is usually burned in a cogeneration unit to produce heat, electricity, and cooling energy. Finally, biogas  can be purified into biomethane, used as a fuel for vehicles, or injected into national natural gas networks. Digestate as a  by-product of anaerobic digestion is a reliable material for use as a fertilizer in agriculture. This paper summarizes the use  of biogas for the production of heat, electricity, cooling energy, as well as fuel with an overview of existing technologies for  its use. Also, this paper provides an opportunity to consider the role of biogas in future energy systems.",
publisher = "Faculty of Philology, University of Belgrade",
journal = "Ecologica",
title = "Biogas tehnologija u funkciji proizvodnje energije",
volume = "29",
number = "108",
pages = "639-646",
doi = "10.18485/ecologica.2022.29.108.22"
}

Cvetković, S., Popović, M., Ljubić, V.,& Perendija, J.. (2022). Biogas tehnologija u funkciji proizvodnje energije. in Ecologica
Faculty of Philology, University of Belgrade., 29(108), 639-646.
https://doi.org/10.18485/ecologica.2022.29.108.22

Cvetković S, Popović M, Ljubić V, Perendija J. Biogas tehnologija u funkciji proizvodnje energije. in Ecologica. 2022;29(108):639-646.
doi:10.18485/ecologica.2022.29.108.22 .

Cvetković, Slobodan, Popović, Mina, Ljubić, Verica, Perendija, Jovana, "Biogas tehnologija u funkciji proizvodnje energije" in Ecologica, 29, no. 108 (2022):639-646,
https://doi.org/10.18485/ecologica.2022.29.108.22 . .

TY  - CONF
AU  - Perendija, Jovana
AU  - Popović, Mina
AU  - Ljubić, Verica
AU  - Milošević, Dragana
AU  - Cvetković, Slobodan
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6467
AB  - Загађење водених екосистема изазвано никлом представља озбиљну еколошку претњу током последњих неколико деценија и од великог је еколошког значаја. Ова забринутост произилази из чињенице да је никл биоразградив, високотоксичан и да потенцијално може изазвати бројне штетне ефекте по здравље људи. У овом раду испитана је биосорпција јона никла при различитим контактним временима коришћењем отпадне биомасе хмеља. Висока вредност коефицијента корелације од 0,999 указује да кинетика адсорпције прати модел псеудо-другог реда. Хмељ је показао висок потенцијал у уклањању Ni2+ из водених раствора са ефикасношћу до 86%. Коришћење отпадне биомасе хмеља бити ефикасна, економична и еколошки погодна опција за очување животне средине.
AB  - Nickel pollution of aquatic ecosystems has been a serious environmental threat during the last few decades and is of great environmental importance. This concern stems from the fact that nickel is biodegradable, highly toxic, and can potentially cause numerous adverse effects on human health. In this work, the biosorption of nickel ions at different contact times was investigated using hop biomass waste. The high correlation coefficient value of 0.999 indicates that the adsorption kinetics follows a pseudo-second-order model. Hops showed high potential for Ni2+ removal from aqueous solutions with an efficiency ofup to 86%. The use of waste biomass of hops can be an efficient, economical and ecologically suitable option for the preservation of the environment.
PB  - Beograd : Savez inženjera i tehničara Srbije
C3  - Zbornik radova - 43. Međunarodna konferencija Vodovod i kanalizacija '22, 11-14. oktobar 2022, Zrenjanin, Srbija
T1  - Mogućnost primene otpadne biomase hmelja za adsorpciju jona Ni2+ iz vodenih rastvora
T1  - Possibility of waste biomass of hops utilisation for adsorption of Ni2+ ions from aqueous solutions
SP  - 351
EP  - 356
UR  - https://hdl.handle.net/21.15107/rcub_cer_6467
ER  - 

@conference{
author = "Perendija, Jovana and Popović, Mina and Ljubić, Verica and Milošević, Dragana and Cvetković, Slobodan",
year = "2022",
abstract = "Загађење водених екосистема изазвано никлом представља озбиљну еколошку претњу током последњих неколико деценија и од великог је еколошког значаја. Ова забринутост произилази из чињенице да је никл биоразградив, високотоксичан и да потенцијално може изазвати бројне штетне ефекте по здравље људи. У овом раду испитана је биосорпција јона никла при различитим контактним временима коришћењем отпадне биомасе хмеља. Висока вредност коефицијента корелације од 0,999 указује да кинетика адсорпције прати модел псеудо-другог реда. Хмељ је показао висок потенцијал у уклањању Ni2+ из водених раствора са ефикасношћу до 86%. Коришћење отпадне биомасе хмеља бити ефикасна, економична и еколошки погодна опција за очување животне средине., Nickel pollution of aquatic ecosystems has been a serious environmental threat during the last few decades and is of great environmental importance. This concern stems from the fact that nickel is biodegradable, highly toxic, and can potentially cause numerous adverse effects on human health. In this work, the biosorption of nickel ions at different contact times was investigated using hop biomass waste. The high correlation coefficient value of 0.999 indicates that the adsorption kinetics follows a pseudo-second-order model. Hops showed high potential for Ni2+ removal from aqueous solutions with an efficiency ofup to 86%. The use of waste biomass of hops can be an efficient, economical and ecologically suitable option for the preservation of the environment.",
publisher = "Beograd : Savez inženjera i tehničara Srbije",
journal = "Zbornik radova - 43. Međunarodna konferencija Vodovod i kanalizacija '22, 11-14. oktobar 2022, Zrenjanin, Srbija",
title = "Mogućnost primene otpadne biomase hmelja za adsorpciju jona Ni2+ iz vodenih rastvora, Possibility of waste biomass of hops utilisation for adsorption of Ni2+ ions from aqueous solutions",
pages = "351-356",
url = "https://hdl.handle.net/21.15107/rcub_cer_6467"
}

Perendija, J., Popović, M., Ljubić, V., Milošević, D.,& Cvetković, S.. (2022). Mogućnost primene otpadne biomase hmelja za adsorpciju jona Ni2+ iz vodenih rastvora. in Zbornik radova - 43. Međunarodna konferencija Vodovod i kanalizacija '22, 11-14. oktobar 2022, Zrenjanin, Srbija
Beograd : Savez inženjera i tehničara Srbije., 351-356.
https://hdl.handle.net/21.15107/rcub_cer_6467

Perendija J, Popović M, Ljubić V, Milošević D, Cvetković S. Mogućnost primene otpadne biomase hmelja za adsorpciju jona Ni2+ iz vodenih rastvora. in Zbornik radova - 43. Međunarodna konferencija Vodovod i kanalizacija '22, 11-14. oktobar 2022, Zrenjanin, Srbija. 2022;:351-356.
https://hdl.handle.net/21.15107/rcub_cer_6467 .

Perendija, Jovana, Popović, Mina, Ljubić, Verica, Milošević, Dragana, Cvetković, Slobodan, "Mogućnost primene otpadne biomase hmelja za adsorpciju jona Ni2+ iz vodenih rastvora" in Zbornik radova - 43. Međunarodna konferencija Vodovod i kanalizacija '22, 11-14. oktobar 2022, Zrenjanin, Srbija (2022):351-356,
https://hdl.handle.net/21.15107/rcub_cer_6467 .

TY  - CONF
AU  - Ljubić, Verica
AU  - Cvetković, Slobodan
AU  - Perendija, Jovana
AU  - Djukić-Vuković, Aleksandra
AU  - Popović, Mina
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6884
AB  - Lactic acid bacteria synthesize metabolites that can be used in pharmaceutical, food, water, and dairy industries. Hence, in this study, a novel exopolysaccharide was extracted and isolated from the probiotic strain L. reuteri B2, assessed on possible application as a biosorbent for removal of heavy metals from the contaminated water. Novel exopolysaccharide was characterized using SEM, and TGA/DTG analysis. Our hypothesis was that if this EPS can be used as potentinal biomaterial, than its application for nickel removal from the contaminated water can be performed. After biosorption experiments, the removal efficiency of Ni2+ from the aqueous solution was 92.96%. According to these results, this exopolysaccharide can be considered as a very promising biomaterial for application in different industries, from pharmacy to treatments of contaminted water
AB  - Bakterije mlečne kiseline sintetišu metabolite koji se mogu koristiti u farmaceutskoj, prehrambenoj,
vodenoj i mlečnoj industriji. S toga, u ovoj studiji je ekstrahovan i izolovan novi egzopolisaharid iz
probiotičkog soja L. reuteri B2, koji je testiran za moguću primenu kao biosorbent za uklanjanje
teških metala iz kontaminirane vode. Novi egzopolisaharid je okarakterisan korišćenjem SEM i
TGA/DTG analize. Naša hipoteza je bila da ako se ovaj EPS može koristiti kao potencijalni
biomaterijal, onda se može primeniti za uklanjanje nikla iz kontaminirane vode. Nakon
eksperimenata biosorpcije, efikasnost uklanjanja Ni2+ jona iz vodenog rastvora bila je 92,96%.
Prema ovim rezultatima, ovaj egzopolisaharid se može smatrati veoma perspektivnim biomaterijalom za primenu u različitim industrijama, od farmacije do tretmana kontaminirane vode
PB  - Belgrade : Serbian Society of Corrosion and Materials  Protection UISKOZAM / Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM
C3  - Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare
T1  - Extraction of novel exopolysaccharide as potential biosorbent for removal of Ni2+ ions from contaminated water
SP  - INVITED-52
EP  - INVITED-59
UR  - https://hdl.handle.net/21.15107/rcub_cer_6884
ER  - 

@conference{
author = "Ljubić, Verica and Cvetković, Slobodan and Perendija, Jovana and Djukić-Vuković, Aleksandra and Popović, Mina",
year = "2022",
abstract = "Lactic acid bacteria synthesize metabolites that can be used in pharmaceutical, food, water, and dairy industries. Hence, in this study, a novel exopolysaccharide was extracted and isolated from the probiotic strain L. reuteri B2, assessed on possible application as a biosorbent for removal of heavy metals from the contaminated water. Novel exopolysaccharide was characterized using SEM, and TGA/DTG analysis. Our hypothesis was that if this EPS can be used as potentinal biomaterial, than its application for nickel removal from the contaminated water can be performed. After biosorption experiments, the removal efficiency of Ni2+ from the aqueous solution was 92.96%. According to these results, this exopolysaccharide can be considered as a very promising biomaterial for application in different industries, from pharmacy to treatments of contaminted water, Bakterije mlečne kiseline sintetišu metabolite koji se mogu koristiti u farmaceutskoj, prehrambenoj,
vodenoj i mlečnoj industriji. S toga, u ovoj studiji je ekstrahovan i izolovan novi egzopolisaharid iz
probiotičkog soja L. reuteri B2, koji je testiran za moguću primenu kao biosorbent za uklanjanje
teških metala iz kontaminirane vode. Novi egzopolisaharid je okarakterisan korišćenjem SEM i
TGA/DTG analize. Naša hipoteza je bila da ako se ovaj EPS može koristiti kao potencijalni
biomaterijal, onda se može primeniti za uklanjanje nikla iz kontaminirane vode. Nakon
eksperimenata biosorpcije, efikasnost uklanjanja Ni2+ jona iz vodenog rastvora bila je 92,96%.
Prema ovim rezultatima, ovaj egzopolisaharid se može smatrati veoma perspektivnim biomaterijalom za primenu u različitim industrijama, od farmacije do tretmana kontaminirane vode",
publisher = "Belgrade : Serbian Society of Corrosion and Materials  Protection UISKOZAM / Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM",
journal = "Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare",
title = "Extraction of novel exopolysaccharide as potential biosorbent for removal of Ni2+ ions from contaminated water",
pages = "INVITED-52-INVITED-59",
url = "https://hdl.handle.net/21.15107/rcub_cer_6884"
}

Ljubić, V., Cvetković, S., Perendija, J., Djukić-Vuković, A.,& Popović, M.. (2022). Extraction of novel exopolysaccharide as potential biosorbent for removal of Ni2+ ions from contaminated water. in Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare
Belgrade : Serbian Society of Corrosion and Materials  Protection UISKOZAM / Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM., INVITED-52-INVITED-59.
https://hdl.handle.net/21.15107/rcub_cer_6884

Ljubić V, Cvetković S, Perendija J, Djukić-Vuković A, Popović M. Extraction of novel exopolysaccharide as potential biosorbent for removal of Ni2+ ions from contaminated water. in Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare. 2022;:INVITED-52-INVITED-59.
https://hdl.handle.net/21.15107/rcub_cer_6884 .

Ljubić, Verica, Cvetković, Slobodan, Perendija, Jovana, Djukić-Vuković, Aleksandra, Popović, Mina, "Extraction of novel exopolysaccharide as potential biosorbent for removal of Ni2+ ions from contaminated water" in Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare (2022):INVITED-52-INVITED-59,
https://hdl.handle.net/21.15107/rcub_cer_6884 .

TY  - JOUR
AU  - Milanović, Igor
AU  - Milošević Govedarović, Sanja
AU  - Kurko, Sandra
AU  - Medić Ilić, Mirjana
AU  - Rajnović, Dragan
AU  - Cvetković, Slobodan
AU  - Grbović Novaković, Jasmina
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5313
AB  - MgH2 based composites combined with NaNH2 were synthesized by mechanical milling for
three different milling times ranging from 15 to 60 minutes. Microstructure and particle
size of the samples were analyzed by SEM microscopy while desorption properties were
followed by Thermal Desorption Spectroscopy (TDS). The kinetic properties of NaNH2-
MgH2 composites were investigated by isoconversional kinetic method as implemented in
code developed by our group. Composites show hydrogen desorption peaks shifted to
lower temperatures in comparison to mechanically modified and as received MgH2. All
NaNH2-MgH2 composites show enhanced kinetics with lowered apparent activation energy
(Ea) in comparison to milled MgH2. The mechanism of desorption changes from Avrami
eErofeev n ¼ 3 for as received MgH2 to AvramieErofeev n ¼ 4 for composite materials.
The change from 3 to 4 can be due to the modification of the nucleation process or a change
in the dimensionality of the growth. Those high values of n disregard a diffusion control as
a rate limiting step. It has been shown that there is a synergistic effect on the enhanced
hydrogen storage performance of chemical reaction and structural changes caused by ball
milling. This can be used as a starting point for synthesis of innovative hydrogen storage
materials.
PB  - Elsevier
T2  - International Journal of Hydrogen Energy
T1  - Improving of hydrogen desorption kinetics of MgH2 by NaNH2 addition: Interplay between microstructure and chemical reaction
VL  - 47
IS  - 69
SP  - 29858
EP  - 29865
DO  - 10.1016/j.ijhydene.2022.06.302
ER  - 

@article{
author = "Milanović, Igor and Milošević Govedarović, Sanja and Kurko, Sandra and Medić Ilić, Mirjana and Rajnović, Dragan and Cvetković, Slobodan and Grbović Novaković, Jasmina",
year = "2022",
abstract = "MgH2 based composites combined with NaNH2 were synthesized by mechanical milling for
three different milling times ranging from 15 to 60 minutes. Microstructure and particle
size of the samples were analyzed by SEM microscopy while desorption properties were
followed by Thermal Desorption Spectroscopy (TDS). The kinetic properties of NaNH2-
MgH2 composites were investigated by isoconversional kinetic method as implemented in
code developed by our group. Composites show hydrogen desorption peaks shifted to
lower temperatures in comparison to mechanically modified and as received MgH2. All
NaNH2-MgH2 composites show enhanced kinetics with lowered apparent activation energy
(Ea) in comparison to milled MgH2. The mechanism of desorption changes from Avrami
eErofeev n ¼ 3 for as received MgH2 to AvramieErofeev n ¼ 4 for composite materials.
The change from 3 to 4 can be due to the modification of the nucleation process or a change
in the dimensionality of the growth. Those high values of n disregard a diffusion control as
a rate limiting step. It has been shown that there is a synergistic effect on the enhanced
hydrogen storage performance of chemical reaction and structural changes caused by ball
milling. This can be used as a starting point for synthesis of innovative hydrogen storage
materials.",
publisher = "Elsevier",
journal = "International Journal of Hydrogen Energy",
title = "Improving of hydrogen desorption kinetics of MgH2 by NaNH2 addition: Interplay between microstructure and chemical reaction",
volume = "47",
number = "69",
pages = "29858-29865",
doi = "10.1016/j.ijhydene.2022.06.302"
}

Milanović, I., Milošević Govedarović, S., Kurko, S., Medić Ilić, M., Rajnović, D., Cvetković, S.,& Grbović Novaković, J.. (2022). Improving of hydrogen desorption kinetics of MgH2 by NaNH2 addition: Interplay between microstructure and chemical reaction. in International Journal of Hydrogen Energy
Elsevier., 47(69), 29858-29865.
https://doi.org/10.1016/j.ijhydene.2022.06.302

Milanović I, Milošević Govedarović S, Kurko S, Medić Ilić M, Rajnović D, Cvetković S, Grbović Novaković J. Improving of hydrogen desorption kinetics of MgH2 by NaNH2 addition: Interplay between microstructure and chemical reaction. in International Journal of Hydrogen Energy. 2022;47(69):29858-29865.
doi:10.1016/j.ijhydene.2022.06.302 .

Milanović, Igor, Milošević Govedarović, Sanja, Kurko, Sandra, Medić Ilić, Mirjana, Rajnović, Dragan, Cvetković, Slobodan, Grbović Novaković, Jasmina, "Improving of hydrogen desorption kinetics of MgH2 by NaNH2 addition: Interplay between microstructure and chemical reaction" in International Journal of Hydrogen Energy, 47, no. 69 (2022):29858-29865,
https://doi.org/10.1016/j.ijhydene.2022.06.302 . .

TY  - JOUR
AU  - Višković, Miodrag
AU  - Đatkov, Đorđe
AU  - Nesterović, Aleksandar
AU  - Martinov, Milan
AU  - Cvetković, Slobodan
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5452
AB  - Manure is a by-product at agricultural farms that can consist of excrement, bedding, food, and other substances. Manure is a significant form of organic fertilizer, but it negatively impacts the environment. The objectives of this study are to determine the quantities of manure and classify them depending on the size and type of farms in Serbia and to quantify greenhouse gas emissions in Serbia from manure management. About 8.6 million m3of fresh liquid manure and about 20.4 million tons of fresh solid manure are generated in Serbia. The dominant types of manures are liquid pig manure and cattle solid and liquid manures. Approximately 81% of the total amount of manure is located at farms with less than 100 livestock units. In Serbia, at large farms with over 1,000 livestock units, about 12% of the total amount of manure is generated. In 2020, about 23 Gg of CH4and 1 Gg of N2O were emitted directly from manure. About 1,1 Gg of N2O is emitted indirectly from manure management. Total emissions of greenhouse gases originating from manure in 2020 amounted to about 1,144 GgCO2eq. Greenhouse gas emissions are declining due to the reduction of livestock, so in comparison to 1990, they are reduced by 36% for this sector.
AB  - Stajnjak je otpadni tok iz stočarstva koji mogu da čine ekskrementi, prostirka, hrana i druge materije. Usled prisustva organske materije, stajnjak predstavlja značajnu formu đubriva koja se dodaje biljnim kulturama, ali čije neadekvatno skladištenje i korišćenje prouzrokuje negativne uticaje na životnu sredinu. Ciljevi ovog rada su da se odrede količine stajnjaka i alociraju u zavisnosti od veličine i vrste gazdinstava u Srbiji, i da se kvantifikuju emisije gasova s efektom staklene bašte u Srbiji poreklom od upravljanja stajnjakom. U Srbiji se generiše oko 8,6 miliona m3 naturalnog tečnog stajnjaka i oko 20,4 miliona t svežeg čvrstog stajnjaka. Dominantne vrste stajnjaka su tečni svinjski stajnjak i goveđi čvrsti i tečni stajnjak. Od ukupne količine stajnjaka, 81% se nalazi na najmanjim gazdinstvima sa manje od 100 uslovnih grla dok se na velikim gazdinstvima sa preko 1.000 uslovnih grla, generiše oko 12% ukupne količine stajnjaka u Srbiji. Direktno iz stajnjaka se u 2020. godini emitovalo oko 23 Gg (Giga grama) CH4 i 1 GgN2O. Indirektno se iz upravljanja stajnjakom emituje oko 1,1 GgN2O. Ukupne emisije gasova s efektom staklene bašte poreklom od stajnjaka iznosile su u 2020. godini oko 1.144 GgCO2ekv. Zbog redukovanja stočnog fonda emisije su u opadanju, a u odnosu na 1990. godinu su manje za 36%.
PB  - Serbia : Faculty of Agriculture, University of Belgrade
T2  - Journal of Agricultural Sciences (Belgrade)
T1  - Manure in Serbia - quantities and greenhouse gas emission
T1  - Stajnjak u Srbiji - količine i emisija gasova s efektom staklene bašte
VL  - 67
IS  - 1
SP  - 29
EP  - 46
DO  - 10.2298/JAS2201029V
ER  - 

@article{
author = "Višković, Miodrag and Đatkov, Đorđe and Nesterović, Aleksandar and Martinov, Milan and Cvetković, Slobodan",
year = "2022",
abstract = "Manure is a by-product at agricultural farms that can consist of excrement, bedding, food, and other substances. Manure is a significant form of organic fertilizer, but it negatively impacts the environment. The objectives of this study are to determine the quantities of manure and classify them depending on the size and type of farms in Serbia and to quantify greenhouse gas emissions in Serbia from manure management. About 8.6 million m3of fresh liquid manure and about 20.4 million tons of fresh solid manure are generated in Serbia. The dominant types of manures are liquid pig manure and cattle solid and liquid manures. Approximately 81% of the total amount of manure is located at farms with less than 100 livestock units. In Serbia, at large farms with over 1,000 livestock units, about 12% of the total amount of manure is generated. In 2020, about 23 Gg of CH4and 1 Gg of N2O were emitted directly from manure. About 1,1 Gg of N2O is emitted indirectly from manure management. Total emissions of greenhouse gases originating from manure in 2020 amounted to about 1,144 GgCO2eq. Greenhouse gas emissions are declining due to the reduction of livestock, so in comparison to 1990, they are reduced by 36% for this sector., Stajnjak je otpadni tok iz stočarstva koji mogu da čine ekskrementi, prostirka, hrana i druge materije. Usled prisustva organske materije, stajnjak predstavlja značajnu formu đubriva koja se dodaje biljnim kulturama, ali čije neadekvatno skladištenje i korišćenje prouzrokuje negativne uticaje na životnu sredinu. Ciljevi ovog rada su da se odrede količine stajnjaka i alociraju u zavisnosti od veličine i vrste gazdinstava u Srbiji, i da se kvantifikuju emisije gasova s efektom staklene bašte u Srbiji poreklom od upravljanja stajnjakom. U Srbiji se generiše oko 8,6 miliona m3 naturalnog tečnog stajnjaka i oko 20,4 miliona t svežeg čvrstog stajnjaka. Dominantne vrste stajnjaka su tečni svinjski stajnjak i goveđi čvrsti i tečni stajnjak. Od ukupne količine stajnjaka, 81% se nalazi na najmanjim gazdinstvima sa manje od 100 uslovnih grla dok se na velikim gazdinstvima sa preko 1.000 uslovnih grla, generiše oko 12% ukupne količine stajnjaka u Srbiji. Direktno iz stajnjaka se u 2020. godini emitovalo oko 23 Gg (Giga grama) CH4 i 1 GgN2O. Indirektno se iz upravljanja stajnjakom emituje oko 1,1 GgN2O. Ukupne emisije gasova s efektom staklene bašte poreklom od stajnjaka iznosile su u 2020. godini oko 1.144 GgCO2ekv. Zbog redukovanja stočnog fonda emisije su u opadanju, a u odnosu na 1990. godinu su manje za 36%.",
publisher = "Serbia : Faculty of Agriculture, University of Belgrade",
journal = "Journal of Agricultural Sciences (Belgrade)",
title = "Manure in Serbia - quantities and greenhouse gas emission, Stajnjak u Srbiji - količine i emisija gasova s efektom staklene bašte",
volume = "67",
number = "1",
pages = "29-46",
doi = "10.2298/JAS2201029V"
}

Višković, M., Đatkov, Đ., Nesterović, A., Martinov, M.,& Cvetković, S.. (2022). Manure in Serbia - quantities and greenhouse gas emission. in Journal of Agricultural Sciences (Belgrade)
Serbia : Faculty of Agriculture, University of Belgrade., 67(1), 29-46.
https://doi.org/10.2298/JAS2201029V

Višković M, Đatkov Đ, Nesterović A, Martinov M, Cvetković S. Manure in Serbia - quantities and greenhouse gas emission. in Journal of Agricultural Sciences (Belgrade). 2022;67(1):29-46.
doi:10.2298/JAS2201029V .

Višković, Miodrag, Đatkov, Đorđe, Nesterović, Aleksandar, Martinov, Milan, Cvetković, Slobodan, "Manure in Serbia - quantities and greenhouse gas emission" in Journal of Agricultural Sciences (Belgrade), 67, no. 1 (2022):29-46,
https://doi.org/10.2298/JAS2201029V . .

TY  - JOUR
AU  - Kovačević, Vlado
AU  - Brenjo, Dragan
AU  - Cvetković, Slobodan
AU  - Rainović, Ljiljana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5574
AB  - The aim of this paper is to determine the current situation in the field of geographical indications schemes (GI), obstacles for futures development and to provide recommendations for GIs development in Serbia, Bosnia and Herzegovina and Montenegro. GIs quality schemes provide confirmation to consumers that foodstuff is a traditional product produced in a certain area and with certain attributes. Although the Western Balkan countries are reach in well-known traditional products and have excellent ago-ecological conditions for GIs production, this quality schemes are not developed. In this paper are applied comparative methodology, literature review and field research. Results are showing that path to improvement GIs is in the further legal framework harmonization with EU legal framework, providing flexibility for registration of the GIs foodstuff processing capacities, support to the producer's organization, shifting of the national GIs recognition to the EU, systematic support to the GIs etc.
PB  - Centre for Evaluation in Education and Science (CEON/CEES)
T2  - Ekonomika poljoprivrede
T1  - Comparative analyse of foodstuff geographical indications in the Western Balkans
VL  - 69
IS  - 1
SP  - 163
EP  - 178
DO  - 10.5937/ekoPolj2201163K
ER  - 

@article{
author = "Kovačević, Vlado and Brenjo, Dragan and Cvetković, Slobodan and Rainović, Ljiljana",
year = "2022",
abstract = "The aim of this paper is to determine the current situation in the field of geographical indications schemes (GI), obstacles for futures development and to provide recommendations for GIs development in Serbia, Bosnia and Herzegovina and Montenegro. GIs quality schemes provide confirmation to consumers that foodstuff is a traditional product produced in a certain area and with certain attributes. Although the Western Balkan countries are reach in well-known traditional products and have excellent ago-ecological conditions for GIs production, this quality schemes are not developed. In this paper are applied comparative methodology, literature review and field research. Results are showing that path to improvement GIs is in the further legal framework harmonization with EU legal framework, providing flexibility for registration of the GIs foodstuff processing capacities, support to the producer's organization, shifting of the national GIs recognition to the EU, systematic support to the GIs etc.",
publisher = "Centre for Evaluation in Education and Science (CEON/CEES)",
journal = "Ekonomika poljoprivrede",
title = "Comparative analyse of foodstuff geographical indications in the Western Balkans",
volume = "69",
number = "1",
pages = "163-178",
doi = "10.5937/ekoPolj2201163K"
}

Kovačević, V., Brenjo, D., Cvetković, S.,& Rainović, L.. (2022). Comparative analyse of foodstuff geographical indications in the Western Balkans. in Ekonomika poljoprivrede
Centre for Evaluation in Education and Science (CEON/CEES)., 69(1), 163-178.
https://doi.org/10.5937/ekoPolj2201163K

Kovačević V, Brenjo D, Cvetković S, Rainović L. Comparative analyse of foodstuff geographical indications in the Western Balkans. in Ekonomika poljoprivrede. 2022;69(1):163-178.
doi:10.5937/ekoPolj2201163K .

Kovačević, Vlado, Brenjo, Dragan, Cvetković, Slobodan, Rainović, Ljiljana, "Comparative analyse of foodstuff geographical indications in the Western Balkans" in Ekonomika poljoprivrede, 69, no. 1 (2022):163-178,
https://doi.org/10.5937/ekoPolj2201163K . .

TY  - CONF
AU  - Cvetković, Slobodan
AU  - Popović, Mina
AU  - Perendija, Jovana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6882
AB  - The aim of this paper is to present the energy flows in the life cycle of the biogas cogeneration system, as well as their mutual relations, starting from providing of feedstock materials(corn silage and cow manure), anaerobic digestion, cogeneration up to the digestate as fertilizer on agricultural land. The cogeneration process has been considered according to the performance of the biogas plant located on the Mirotin dairy farm in Vrbas (Serbia). For evaluation of energy flows in this work were used four energy indicators. According to the Life Cycle Energy Assessment approach, results obtained in this study have shown that the biogas cogeneration process has positive energy balances and this process is energy sustainable. The applied approach in this research can be adjusted to any biogas power plant since it complies with the main material and energy balances.
AB  - Cilj ovog rada je da prikaže tokove energije u životnom ciklusu biogas kogeneracionog sistema, kao i njihove međusobne odnose, počev od obezbeđivanja sirovine (kukuruzna silaža i kravlji stajnjak), anaerobne digestije, kogeneracije, pa do digestata. kao đubrivo na poljoprivrednom zemljištu. Proces kogeneracije je razmatran prema performansama biogas postrojenja koje se nalazi na farmi mleka Mirotin u Vrbasu (Srbija). Za evaluaciju energetskih tokova u ovom radu korišćena su četiri energetska indikatora. Prema LCEA pristupu, rezultati dobijeni u ovoj studiji su pokazali da proces kogeneracije biogasa ima pozitivan energetski bilans i da je ovaj proces energetski održiv. Primenjeni pristup u ovom istraživanju može se prilagoditi bilo kojoj elektrani na biogas jer je u skladu sa osnovnim materijalnim i energetskim bilansima.
PB  - Serbian society of corrosion and materials protection (UISKOZAM) / Udruženje inženjera Srbije za koroziju i zaštitu materijala
C3  - Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare
T1  - Consideration of Energy Flows in the Life Cycle of Energy Production from Biogas
SP  - PLENARY-16
EP  - PLENARY-24
UR  - https://hdl.handle.net/21.15107/rcub_cer_6882
ER  - 

@conference{
author = "Cvetković, Slobodan and Popović, Mina and Perendija, Jovana",
year = "2022",
abstract = "The aim of this paper is to present the energy flows in the life cycle of the biogas cogeneration system, as well as their mutual relations, starting from providing of feedstock materials(corn silage and cow manure), anaerobic digestion, cogeneration up to the digestate as fertilizer on agricultural land. The cogeneration process has been considered according to the performance of the biogas plant located on the Mirotin dairy farm in Vrbas (Serbia). For evaluation of energy flows in this work were used four energy indicators. According to the Life Cycle Energy Assessment approach, results obtained in this study have shown that the biogas cogeneration process has positive energy balances and this process is energy sustainable. The applied approach in this research can be adjusted to any biogas power plant since it complies with the main material and energy balances., Cilj ovog rada je da prikaže tokove energije u životnom ciklusu biogas kogeneracionog sistema, kao i njihove međusobne odnose, počev od obezbeđivanja sirovine (kukuruzna silaža i kravlji stajnjak), anaerobne digestije, kogeneracije, pa do digestata. kao đubrivo na poljoprivrednom zemljištu. Proces kogeneracije je razmatran prema performansama biogas postrojenja koje se nalazi na farmi mleka Mirotin u Vrbasu (Srbija). Za evaluaciju energetskih tokova u ovom radu korišćena su četiri energetska indikatora. Prema LCEA pristupu, rezultati dobijeni u ovoj studiji su pokazali da proces kogeneracije biogasa ima pozitivan energetski bilans i da je ovaj proces energetski održiv. Primenjeni pristup u ovom istraživanju može se prilagoditi bilo kojoj elektrani na biogas jer je u skladu sa osnovnim materijalnim i energetskim bilansima.",
publisher = "Serbian society of corrosion and materials protection (UISKOZAM) / Udruženje inženjera Srbije za koroziju i zaštitu materijala",
journal = "Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare",
title = "Consideration of Energy Flows in the Life Cycle of Energy Production from Biogas",
pages = "PLENARY-16-PLENARY-24",
url = "https://hdl.handle.net/21.15107/rcub_cer_6882"
}

Cvetković, S., Popović, M.,& Perendija, J.. (2022). Consideration of Energy Flows in the Life Cycle of Energy Production from Biogas. in Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare
Serbian society of corrosion and materials protection (UISKOZAM) / Udruženje inženjera Srbije za koroziju i zaštitu materijala., PLENARY-16-PLENARY-24.
https://hdl.handle.net/21.15107/rcub_cer_6882

Cvetković S, Popović M, Perendija J. Consideration of Energy Flows in the Life Cycle of Energy Production from Biogas. in Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare. 2022;:PLENARY-16-PLENARY-24.
https://hdl.handle.net/21.15107/rcub_cer_6882 .

Cvetković, Slobodan, Popović, Mina, Perendija, Jovana, "Consideration of Energy Flows in the Life Cycle of Energy Production from Biogas" in Proceedings - XXIII YuCorr International Conference, "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection", May 16-19, 2022, Divčibare, Serbia / Knjiga radova - XXIII YuCorr Međunarodna konferencija, "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine", 16-19 Maj, 2022, Divčibare (2022):PLENARY-16-PLENARY-24,
https://hdl.handle.net/21.15107/rcub_cer_6882 .