Grbić, Jovana

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orcid::0000-0002-3433-7504
  • Grbić, Jovana (2)
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Author's Bibliography

Corn stalks as a lignocellulose substrate for biorefinery applications

Đukić-Vuković, Aleksandra; Grbić, Jovana; Mladenović, Dragana; Pavlović, Stefan; Lazović, Saša; Mojović, Ljiljana

(National Technical University of Athens, 2023)

TY  - CONF
AU  - Đukić-Vuković, Aleksandra
AU  - Grbić, Jovana
AU  - Mladenović, Dragana
AU  - Pavlović, Stefan
AU  - Lazović, Saša
AU  - Mojović, Ljiljana
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7400
AB  - We combined cold plasma treatment (CPT) with water, ethanol, Fenton and hydrogen peroxide media under acidic and basic conditions for treatment of corn stalks as significant lignocellulose agri-industrial waste. Chemical properties of treated samples were analyzed by FTIR and mercury porosimetry, acetyl bromide soluble lignin content was determined by spectrophotometric methods, while carbohydrate 
fractions were subjected to enzymatic hydrolysis followed by spectrophotometric analysis to assess its potential for fermentations. Lignin fraction which is often neglected (Ponnusamy et al., 2019) was also examined as a source of antioxidants.
PB  - National Technical University of Athens
C3  - 10th International Conference on Sustainable Solid Waste Management, Chania2023, 21-24 June, Chania, Greece
T1  - Corn stalks as a lignocellulose substrate for biorefinery applications
UR  - https://hdl.handle.net/21.15107/rcub_cer_7400
ER  - 
@conference{
author = "Đukić-Vuković, Aleksandra and Grbić, Jovana and Mladenović, Dragana and Pavlović, Stefan and Lazović, Saša and Mojović, Ljiljana",
year = "2023",
abstract = "We combined cold plasma treatment (CPT) with water, ethanol, Fenton and hydrogen peroxide media under acidic and basic conditions for treatment of corn stalks as significant lignocellulose agri-industrial waste. Chemical properties of treated samples were analyzed by FTIR and mercury porosimetry, acetyl bromide soluble lignin content was determined by spectrophotometric methods, while carbohydrate 
fractions were subjected to enzymatic hydrolysis followed by spectrophotometric analysis to assess its potential for fermentations. Lignin fraction which is often neglected (Ponnusamy et al., 2019) was also examined as a source of antioxidants.",
publisher = "National Technical University of Athens",
journal = "10th International Conference on Sustainable Solid Waste Management, Chania2023, 21-24 June, Chania, Greece",
title = "Corn stalks as a lignocellulose substrate for biorefinery applications",
url = "https://hdl.handle.net/21.15107/rcub_cer_7400"
}
Đukić-Vuković, A., Grbić, J., Mladenović, D., Pavlović, S., Lazović, S.,& Mojović, L.. (2023). Corn stalks as a lignocellulose substrate for biorefinery applications. in 10th International Conference on Sustainable Solid Waste Management, Chania2023, 21-24 June, Chania, Greece
National Technical University of Athens..
https://hdl.handle.net/21.15107/rcub_cer_7400
Đukić-Vuković A, Grbić J, Mladenović D, Pavlović S, Lazović S, Mojović L. Corn stalks as a lignocellulose substrate for biorefinery applications. in 10th International Conference on Sustainable Solid Waste Management, Chania2023, 21-24 June, Chania, Greece. 2023;.
https://hdl.handle.net/21.15107/rcub_cer_7400 .
Đukić-Vuković, Aleksandra, Grbić, Jovana, Mladenović, Dragana, Pavlović, Stefan, Lazović, Saša, Mojović, Ljiljana, "Corn stalks as a lignocellulose substrate for biorefinery applications" in 10th International Conference on Sustainable Solid Waste Management, Chania2023, 21-24 June, Chania, Greece (2023),
https://hdl.handle.net/21.15107/rcub_cer_7400 .

Advanced oxidation processes in the treatment of corn stalks

Grbić, Jovana; Mladenović, Dragana; Pavlović, Stefan; Lazović, Saša; Mojović, Ljiljana; Đukić-Vuković, Aleksandra

(Elsevier B.V., 2023)

TY  - JOUR
AU  - Grbić, Jovana
AU  - Mladenović, Dragana
AU  - Pavlović, Stefan
AU  - Lazović, Saša
AU  - Mojović, Ljiljana
AU  - Đukić-Vuković, Aleksandra
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5650
AB  - The depletion of fossil fuel reserves and severe environmental damage, resulting in climate change and global warming lead to a necessary shift to alternative renewable resources. Lignocellulose is a valuable feedstock for biorefineries, but its conversion is hindered by the limitations of conventional pretreatments lacking selectivity. This step should also be cost-effective and sustainable. In this paper, combined advanced oxidation techniques were applied for the treatment of corn stalks as a pretreatment for enzymatic hydrolysis. Their effect on delignification and cellulose digestibility was monitored. The combined non-thermal plasma/Fenton treatment appears to be suitable for breaking the complex lignocellulose structure, with a lignin content decrease of 39%. This treatment enhanced carbohydrate hydrolysis, resulting in 2.25 times increase in hexose yield, compared to the untreated sample. Long-term plasma treatment positively affected the textural properties, total porosity, and pore size diameter, of lignocellulose biomass. It enables the creation of materials with a stable system of pores and channels, for the unhindered diffusion of large organic molecules such as enzymes. Additionally, a combination of plasma treatment with Fenton reaction increased selectivity towards lignin degradation in comparison to independently applied Fenton treatment. This could be a significant advantage for a bottleneck in the current valorization of biomass.
PB  - Elsevier B.V.
T2  - Sustainable Chemistry and Pharmacy
T1  - Advanced oxidation processes in the treatment of corn stalks
VL  - 32
SP  - 100962
DO  - 10.1016/j.scp.2022.100962
ER  - 
@article{
author = "Grbić, Jovana and Mladenović, Dragana and Pavlović, Stefan and Lazović, Saša and Mojović, Ljiljana and Đukić-Vuković, Aleksandra",
year = "2023",
abstract = "The depletion of fossil fuel reserves and severe environmental damage, resulting in climate change and global warming lead to a necessary shift to alternative renewable resources. Lignocellulose is a valuable feedstock for biorefineries, but its conversion is hindered by the limitations of conventional pretreatments lacking selectivity. This step should also be cost-effective and sustainable. In this paper, combined advanced oxidation techniques were applied for the treatment of corn stalks as a pretreatment for enzymatic hydrolysis. Their effect on delignification and cellulose digestibility was monitored. The combined non-thermal plasma/Fenton treatment appears to be suitable for breaking the complex lignocellulose structure, with a lignin content decrease of 39%. This treatment enhanced carbohydrate hydrolysis, resulting in 2.25 times increase in hexose yield, compared to the untreated sample. Long-term plasma treatment positively affected the textural properties, total porosity, and pore size diameter, of lignocellulose biomass. It enables the creation of materials with a stable system of pores and channels, for the unhindered diffusion of large organic molecules such as enzymes. Additionally, a combination of plasma treatment with Fenton reaction increased selectivity towards lignin degradation in comparison to independently applied Fenton treatment. This could be a significant advantage for a bottleneck in the current valorization of biomass.",
publisher = "Elsevier B.V.",
journal = "Sustainable Chemistry and Pharmacy",
title = "Advanced oxidation processes in the treatment of corn stalks",
volume = "32",
pages = "100962",
doi = "10.1016/j.scp.2022.100962"
}
Grbić, J., Mladenović, D., Pavlović, S., Lazović, S., Mojović, L.,& Đukić-Vuković, A.. (2023). Advanced oxidation processes in the treatment of corn stalks. in Sustainable Chemistry and Pharmacy
Elsevier B.V.., 32, 100962.
https://doi.org/10.1016/j.scp.2022.100962
Grbić J, Mladenović D, Pavlović S, Lazović S, Mojović L, Đukić-Vuković A. Advanced oxidation processes in the treatment of corn stalks. in Sustainable Chemistry and Pharmacy. 2023;32:100962.
doi:10.1016/j.scp.2022.100962 .
Grbić, Jovana, Mladenović, Dragana, Pavlović, Stefan, Lazović, Saša, Mojović, Ljiljana, Đukić-Vuković, Aleksandra, "Advanced oxidation processes in the treatment of corn stalks" in Sustainable Chemistry and Pharmacy, 32 (2023):100962,
https://doi.org/10.1016/j.scp.2022.100962 . .
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