TY  - JOUR
AU  - Savić, Veljko
AU  - Dojčinović, M.
AU  - Topalović, V.
AU  - Cvijović-Alagić, Ivana
AU  - Stojanović, J.
AU  - Matijašević, S.
AU  - Grujić, S.
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12447
AB  - The incombustible portion of coal that remains after burning is known as bottom or fly ash, and it has a detrimental influence on the environment. One of the possible alternatives for reducing the amount of ash deposited in landfills might be the production of useful glass–ceramic from vitrified fly ash. Glass–ceramic was synthesized using fly ash from the thermal power plant "Nikola Tesla" and fluxing additives. Sinter crystallization of the parent glass resulted in glass ceramics. The glass was created by melting a combination of coal fly ash (CFA), Na2CO3, and CaCO3 at T = 1500 °C and quenching the melt in the air. Glass powders were sintered at temperatures 850 and 900 °C. The resulting glass–ceramics were characterized microstructurally, physically, and mechanically. The cavitation erosion of samples was evaluated. The cavitation rate was 0.015 mg/min for the sample sintered at 850 °C and 0.0053 mg/min for the sample sintered at 900 °C. The leaching of heavy metals in glass–ceramic samples was determined using Toxicity Characteristic Leaching Procedure. A low concentration of heavy metals in the leaching solution showed that heavy metals were successfully incorporated in the glass matrix and that obtained glass–ceramics are ecologically safe for usage. Both samples exhibit good resistance to cavitation erosion, suggesting their potential as possible replacements for structural ceramics commonly employed components of hydraulic machinery.
T2  - International Journal of Environmental Science and Technology
T1  - The effect of sintering temperature on cavitation erosion in glass–ceramics based on coal fly ash
DO  - 10.1007/s13762-023-05411-9
ER  - 

@article{
author = "Savić, Veljko and Dojčinović, M. and Topalović, V. and Cvijović-Alagić, Ivana and Stojanović, J. and Matijašević, S. and Grujić, S.",
year = "2024",
abstract = "The incombustible portion of coal that remains after burning is known as bottom or fly ash, and it has a detrimental influence on the environment. One of the possible alternatives for reducing the amount of ash deposited in landfills might be the production of useful glass–ceramic from vitrified fly ash. Glass–ceramic was synthesized using fly ash from the thermal power plant "Nikola Tesla" and fluxing additives. Sinter crystallization of the parent glass resulted in glass ceramics. The glass was created by melting a combination of coal fly ash (CFA), Na2CO3, and CaCO3 at T = 1500 °C and quenching the melt in the air. Glass powders were sintered at temperatures 850 and 900 °C. The resulting glass–ceramics were characterized microstructurally, physically, and mechanically. The cavitation erosion of samples was evaluated. The cavitation rate was 0.015 mg/min for the sample sintered at 850 °C and 0.0053 mg/min for the sample sintered at 900 °C. The leaching of heavy metals in glass–ceramic samples was determined using Toxicity Characteristic Leaching Procedure. A low concentration of heavy metals in the leaching solution showed that heavy metals were successfully incorporated in the glass matrix and that obtained glass–ceramics are ecologically safe for usage. Both samples exhibit good resistance to cavitation erosion, suggesting their potential as possible replacements for structural ceramics commonly employed components of hydraulic machinery.",
journal = "International Journal of Environmental Science and Technology",
title = "The effect of sintering temperature on cavitation erosion in glass–ceramics based on coal fly ash",
doi = "10.1007/s13762-023-05411-9"
}

Savić, V., Dojčinović, M., Topalović, V., Cvijović-Alagić, I., Stojanović, J., Matijašević, S.,& Grujić, S.. (2024). The effect of sintering temperature on cavitation erosion in glass–ceramics based on coal fly ash. in International Journal of Environmental Science and Technology.
https://doi.org/10.1007/s13762-023-05411-9

Savić V, Dojčinović M, Topalović V, Cvijović-Alagić I, Stojanović J, Matijašević S, Grujić S. The effect of sintering temperature on cavitation erosion in glass–ceramics based on coal fly ash. in International Journal of Environmental Science and Technology. 2024;.
doi:10.1007/s13762-023-05411-9 .

Savić, Veljko, Dojčinović, M., Topalović, V., Cvijović-Alagić, Ivana, Stojanović, J., Matijašević, S., Grujić, S., "The effect of sintering temperature on cavitation erosion in glass–ceramics based on coal fly ash" in International Journal of Environmental Science and Technology (2024),
https://doi.org/10.1007/s13762-023-05411-9 . .

TY  - JOUR
AU  - Marković, Gordana
AU  - Manojlović, Vaso
AU  - Ružić, Jovana
AU  - Sokić, Miroslav
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11722
AB  - Titanium alloys have been present for decades as the main components for the production of various orthopedic and dental elements. However, modern times require titanium alloys with a low Young’s modulus, and without the presence of cytotoxic alloying elements. Machine learning was used with aim to analyze biocompatible titanium alloys and predict the composition of Ti alloys with a low Young’s modulus. A database was created using experimental data for alloy composition, Young’s modulus, and mechanical and thermal properties of biocompatible titanium alloys. The Extra Tree Regression model was built to predict the Young’s modulus of titanium alloys. By processing data of 246 alloys, the specific heat was discovered to be the most influential parameter that contributes to the lowering of the Young’s modulus of titanium alloys. Further, the Monte Carlo method was used to predict the composition of future alloys with the desired properties. Simulation results of ten million samples, with predefined conditions for obtaining titanium alloys with a Young’s modulus lower than 70 GPa, show that it is possible to obtain several multicomponent alloys, consisting of five main elements: titanium, zirconium, tin, manganese and niobium.
T2  - Materials
T1  - Predicting Low-Modulus Biocompatible Titanium Alloys Using Machine Learning
VL  - 16
IS  - 19
SP  - 6355
DO  - 10.3390/ma16196355
ER  - 

@article{
author = "Marković, Gordana and Manojlović, Vaso and Ružić, Jovana and Sokić, Miroslav",
year = "2023",
abstract = "Titanium alloys have been present for decades as the main components for the production of various orthopedic and dental elements. However, modern times require titanium alloys with a low Young’s modulus, and without the presence of cytotoxic alloying elements. Machine learning was used with aim to analyze biocompatible titanium alloys and predict the composition of Ti alloys with a low Young’s modulus. A database was created using experimental data for alloy composition, Young’s modulus, and mechanical and thermal properties of biocompatible titanium alloys. The Extra Tree Regression model was built to predict the Young’s modulus of titanium alloys. By processing data of 246 alloys, the specific heat was discovered to be the most influential parameter that contributes to the lowering of the Young’s modulus of titanium alloys. Further, the Monte Carlo method was used to predict the composition of future alloys with the desired properties. Simulation results of ten million samples, with predefined conditions for obtaining titanium alloys with a Young’s modulus lower than 70 GPa, show that it is possible to obtain several multicomponent alloys, consisting of five main elements: titanium, zirconium, tin, manganese and niobium.",
journal = "Materials",
title = "Predicting Low-Modulus Biocompatible Titanium Alloys Using Machine Learning",
volume = "16",
number = "19",
pages = "6355",
doi = "10.3390/ma16196355"
}

Marković, G., Manojlović, V., Ružić, J.,& Sokić, M.. (2023). Predicting Low-Modulus Biocompatible Titanium Alloys Using Machine Learning. in Materials, 16(19), 6355.
https://doi.org/10.3390/ma16196355

Marković G, Manojlović V, Ružić J, Sokić M. Predicting Low-Modulus Biocompatible Titanium Alloys Using Machine Learning. in Materials. 2023;16(19):6355.
doi:10.3390/ma16196355 .

Marković, Gordana, Manojlović, Vaso, Ružić, Jovana, Sokić, Miroslav, "Predicting Low-Modulus Biocompatible Titanium Alloys Using Machine Learning" in Materials, 16, no. 19 (2023):6355,
https://doi.org/10.3390/ma16196355 . .

TY  - JOUR
AU  - Milojkov, Dušan V.
AU  - Radosavljević-Mihajlović, Ana S.
AU  - Stanić, Vojislav
AU  - Nastasijević, Branislav J.
AU  - Radotić, Ksenija
AU  - Janković-Častvan, Ivona
AU  - Živković-Radovanović, Vukosava
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10612
AB  - Nanomaterials based on metal–doped fluorapatite (FAP) have attracted considerable interest as potential next–generation antimicrobial agents. In this study, Cu2+–doped FAP nanocrystals have been successfully synthesized by a neutralization method at room temperature. Their structural, optical, antimicrobial, and hemcompatible properties have been investigated. XRD, FTIR, FESEM, and N2 adsorption–desorption studies indicate the formation of single–phase FAP mesoporous nanopowders, composed of rod–like particles. TEM images confirmed the formation of nanorodes with a length of 60 nm and a width of about 18 nm. Rietveld analysis shows that the Cu2+ ions preferentially substitute Ca2 (6 h) sites in the hexagonal fluorapatite crystal structure. Fluorescence spectroscopy accompanied by MCR–ALS method confirms substitution of Cu2+ ions in FAP crystal lattice with extracting additional d–d band transition at green color from FAP broadband self–activated luminescence in violet–blue color. Antimicrobial studies conducted on Staphylococcus aureus, Escherichia coli and Micrococcus lysodeikticus showed that FAP nanopowder with the highest Cu2+ content have strong bacteriostatic action on Staphylococcus aureus bacterial strain in mediums containing nutrition matters. In addition, this sample in comparison to pure FAP achieved a high percentage of relative reduction of bacterial population for all three species, being >90% in most cases. Fungistatic action is noticed too, throwgh the slowing down mycelium growth of fungus Aspergillus niger, Aspergillus flavus and Penicillium roqueforti and reduction of sporulation of Aspergillus niger species. Cu2+–doped FAP nanocrystals shows a synergistic antimicrobial effect with Cu2+ and F− ions. Concerning the potential biomedical applications, the hemolysis ratios of the Cu2+–doped FAP samples were below 5%. The obtained results pointed out the possible use of the synthesized nanocrystals as broad–spectrum antimicrobial agents for various biomedical and health care preparations.
T2  - Journal of Photochemistry and Photobiology B: Biology
T1  - Synthesis and characterization of luminescent Cu2+–doped fluorapatite nanocrystals as potential broad–spectrum antimicrobial agents
VL  - 239
SP  - 112649
DO  - 10.1016/j.jphotobiol.2023.112649
ER  - 

@article{
author = "Milojkov, Dušan V. and Radosavljević-Mihajlović, Ana S. and Stanić, Vojislav and Nastasijević, Branislav J. and Radotić, Ksenija and Janković-Častvan, Ivona and Živković-Radovanović, Vukosava",
year = "2023",
abstract = "Nanomaterials based on metal–doped fluorapatite (FAP) have attracted considerable interest as potential next–generation antimicrobial agents. In this study, Cu2+–doped FAP nanocrystals have been successfully synthesized by a neutralization method at room temperature. Their structural, optical, antimicrobial, and hemcompatible properties have been investigated. XRD, FTIR, FESEM, and N2 adsorption–desorption studies indicate the formation of single–phase FAP mesoporous nanopowders, composed of rod–like particles. TEM images confirmed the formation of nanorodes with a length of 60 nm and a width of about 18 nm. Rietveld analysis shows that the Cu2+ ions preferentially substitute Ca2 (6 h) sites in the hexagonal fluorapatite crystal structure. Fluorescence spectroscopy accompanied by MCR–ALS method confirms substitution of Cu2+ ions in FAP crystal lattice with extracting additional d–d band transition at green color from FAP broadband self–activated luminescence in violet–blue color. Antimicrobial studies conducted on Staphylococcus aureus, Escherichia coli and Micrococcus lysodeikticus showed that FAP nanopowder with the highest Cu2+ content have strong bacteriostatic action on Staphylococcus aureus bacterial strain in mediums containing nutrition matters. In addition, this sample in comparison to pure FAP achieved a high percentage of relative reduction of bacterial population for all three species, being >90% in most cases. Fungistatic action is noticed too, throwgh the slowing down mycelium growth of fungus Aspergillus niger, Aspergillus flavus and Penicillium roqueforti and reduction of sporulation of Aspergillus niger species. Cu2+–doped FAP nanocrystals shows a synergistic antimicrobial effect with Cu2+ and F− ions. Concerning the potential biomedical applications, the hemolysis ratios of the Cu2+–doped FAP samples were below 5%. The obtained results pointed out the possible use of the synthesized nanocrystals as broad–spectrum antimicrobial agents for various biomedical and health care preparations.",
journal = "Journal of Photochemistry and Photobiology B: Biology",
title = "Synthesis and characterization of luminescent Cu2+–doped fluorapatite nanocrystals as potential broad–spectrum antimicrobial agents",
volume = "239",
pages = "112649",
doi = "10.1016/j.jphotobiol.2023.112649"
}

Milojkov, D. V., Radosavljević-Mihajlović, A. S., Stanić, V., Nastasijević, B. J., Radotić, K., Janković-Častvan, I.,& Živković-Radovanović, V.. (2023). Synthesis and characterization of luminescent Cu2+–doped fluorapatite nanocrystals as potential broad–spectrum antimicrobial agents. in Journal of Photochemistry and Photobiology B: Biology, 239, 112649.
https://doi.org/10.1016/j.jphotobiol.2023.112649

Milojkov DV, Radosavljević-Mihajlović AS, Stanić V, Nastasijević BJ, Radotić K, Janković-Častvan I, Živković-Radovanović V. Synthesis and characterization of luminescent Cu2+–doped fluorapatite nanocrystals as potential broad–spectrum antimicrobial agents. in Journal of Photochemistry and Photobiology B: Biology. 2023;239:112649.
doi:10.1016/j.jphotobiol.2023.112649 .

Milojkov, Dušan V., Radosavljević-Mihajlović, Ana S., Stanić, Vojislav, Nastasijević, Branislav J., Radotić, Ksenija, Janković-Častvan, Ivona, Živković-Radovanović, Vukosava, "Synthesis and characterization of luminescent Cu2+–doped fluorapatite nanocrystals as potential broad–spectrum antimicrobial agents" in Journal of Photochemistry and Photobiology B: Biology, 239 (2023):112649,
https://doi.org/10.1016/j.jphotobiol.2023.112649 . .

TY  - CONF
AU  - Milojković, Jelena
AU  - Lopičić, Zorica
AU  - Mihajlović, Marija
AU  - Kragović, Milan
AU  - Gligorijević, Biljana
AU  - Vojvodić, Tatjana
AU  - Avdalović, Jelena
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12401
AB  - Biosorption is evolving as a potential alternative to the existing conventional technologies for the removal and/or recovery of pollutants from aqueous solutions. The present work investigates the possible application of waste biomass Myriophyllum spicatum (Ms) in removing contaminants, evaluating equilibrium through isotherms of selected heavy metals: lead, copper, and cadmium. As a heavy metal biosorbent, Ms was immobilized in alginate beads (Ms: Alginate 2:1). Applied biosorbent, MsA, was characterized by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM–EDX) and Fourier transform infrared spectroscopy (FT-IR). Experimental results were fitted (nonlinear) by six isotherm models: Langmuir, Freundlich, Sips, Redlich and Peterson, Toth, and Temkin. For lead(II) ion removal, fitting follows the following sequence, F ≈ R-P > S > To > L > Te, while for copper(II) and cadmium(II) ions are as follows: R-P > To ≈ Te ≈ L > S > F and R-P > L > To > S > F > Te, respectively. TOC analyses revealed that M. spicatum releases 35.04 mg/L of total organic content while immobilized sample, MsA, only 6.81 mg/L. Finally, this biosorbent was tested on a sample of real wastewater from a coal-fired thermal power plant complex TPP Kostolac (operated by PE “Electric Power Industry of Serbia”). The results indicate that using immobilized aquatic weed M. spicatum as a biosorbent has a high potential for heavy metal wastewater treatment applications.
C3  - MedGU 2021 : 1st International conference on Mediterranean Geosciences Union : Recent Research on Environmental Earth Sciences, Geomorphology, Soil Science, Paleoclimate, and Karst
T1  - Removal of Pb(II), Cu(II), and Cd(II) from Aqueous Solution by Alginate-Immobilized Aquatic Weed M. spicatum
SP  - 47
EP  - 50
DO  - 10.1007/978-3-031-42917-0_11
ER  - 

@conference{
author = "Milojković, Jelena and Lopičić, Zorica and Mihajlović, Marija and Kragović, Milan and Gligorijević, Biljana and Vojvodić, Tatjana and Avdalović, Jelena",
year = "2023",
abstract = "Biosorption is evolving as a potential alternative to the existing conventional technologies for the removal and/or recovery of pollutants from aqueous solutions. The present work investigates the possible application of waste biomass Myriophyllum spicatum (Ms) in removing contaminants, evaluating equilibrium through isotherms of selected heavy metals: lead, copper, and cadmium. As a heavy metal biosorbent, Ms was immobilized in alginate beads (Ms: Alginate 2:1). Applied biosorbent, MsA, was characterized by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM–EDX) and Fourier transform infrared spectroscopy (FT-IR). Experimental results were fitted (nonlinear) by six isotherm models: Langmuir, Freundlich, Sips, Redlich and Peterson, Toth, and Temkin. For lead(II) ion removal, fitting follows the following sequence, F ≈ R-P > S > To > L > Te, while for copper(II) and cadmium(II) ions are as follows: R-P > To ≈ Te ≈ L > S > F and R-P > L > To > S > F > Te, respectively. TOC analyses revealed that M. spicatum releases 35.04 mg/L of total organic content while immobilized sample, MsA, only 6.81 mg/L. Finally, this biosorbent was tested on a sample of real wastewater from a coal-fired thermal power plant complex TPP Kostolac (operated by PE “Electric Power Industry of Serbia”). The results indicate that using immobilized aquatic weed M. spicatum as a biosorbent has a high potential for heavy metal wastewater treatment applications.",
journal = "MedGU 2021 : 1st International conference on Mediterranean Geosciences Union : Recent Research on Environmental Earth Sciences, Geomorphology, Soil Science, Paleoclimate, and Karst",
title = "Removal of Pb(II), Cu(II), and Cd(II) from Aqueous Solution by Alginate-Immobilized Aquatic Weed M. spicatum",
pages = "47-50",
doi = "10.1007/978-3-031-42917-0_11"
}

Milojković, J., Lopičić, Z., Mihajlović, M., Kragović, M., Gligorijević, B., Vojvodić, T.,& Avdalović, J.. (2023). Removal of Pb(II), Cu(II), and Cd(II) from Aqueous Solution by Alginate-Immobilized Aquatic Weed M. spicatum. in MedGU 2021 : 1st International conference on Mediterranean Geosciences Union : Recent Research on Environmental Earth Sciences, Geomorphology, Soil Science, Paleoclimate, and Karst, 47-50.
https://doi.org/10.1007/978-3-031-42917-0_11

Milojković J, Lopičić Z, Mihajlović M, Kragović M, Gligorijević B, Vojvodić T, Avdalović J. Removal of Pb(II), Cu(II), and Cd(II) from Aqueous Solution by Alginate-Immobilized Aquatic Weed M. spicatum. in MedGU 2021 : 1st International conference on Mediterranean Geosciences Union : Recent Research on Environmental Earth Sciences, Geomorphology, Soil Science, Paleoclimate, and Karst. 2023;:47-50.
doi:10.1007/978-3-031-42917-0_11 .

Milojković, Jelena, Lopičić, Zorica, Mihajlović, Marija, Kragović, Milan, Gligorijević, Biljana, Vojvodić, Tatjana, Avdalović, Jelena, "Removal of Pb(II), Cu(II), and Cd(II) from Aqueous Solution by Alginate-Immobilized Aquatic Weed M. spicatum" in MedGU 2021 : 1st International conference on Mediterranean Geosciences Union : Recent Research on Environmental Earth Sciences, Geomorphology, Soil Science, Paleoclimate, and Karst (2023):47-50,
https://doi.org/10.1007/978-3-031-42917-0_11 . .

TY  - JOUR
AU  - Simić, Marija
AU  - Petrović, Jelena
AU  - Šoštarić, Tatjana
AU  - Ercegović, Marija
AU  - Milojković, Jelena
AU  - Lopičić, Zorica
AU  - Kojić, Marija
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10489
AB  - In this study, raw corn silk was considered for the removal of cadmium ions from aqueous solutions. In order to improve adsorption characteristics, the KOH treatment was applied as a route to obtain modified materials. Both materials before and after metal adsorption were characterized by pHPZC, SEM-EDX and FTIR analysis. SEM images and FTIR spectra revealed that alkali modification caused some structural changes that could improve the adsorption properties of the investigated material. The experimental results and the ion-exchange study revealed that the biosorption process of cadmium ions on to raw and modified corn silk was caused predominantly by the ion-exchange mechanism, followed by chemisorption. The kinetic parameters implied that there are three stages in the biosorption process. In addition, the cadmium adsorption on both materials is very fast and is followed by the pseudo-second-order kinetic model. The experimental results were fitted by two and three parameter isotherm models, while the Sips isotherm model best describes the biosorption process on both materials. According to the Sips isotherm model, the maximum adsorption capacity of cadmium adsorbed on modified materials was 49.06 mg g−1, which is 2.23 times greater in comparison to the raw material (21.96 mg g−1). Furthermore, the mechanisms of cadmium adsorption onto the investigated materials are summarized in order to better understand the modification influence on the adsorption properties of corn silk. In order to examine reusability of the investigated material, diluted nitric acid was used for regeneration. A desorption study was performed in three adsorption-desorption cycles. A high desorption efficiency (˃85%) indicated that MCS after Cd adsorption can be efficiently recovered and reused for a new adsorption cycle.
T2  - Processes
T1  - A Mechanism Assessment and Differences of Cadmium Adsorption on Raw and Alkali-Modified Agricultural Waste
VL  - 10
IS  - 10
SP  - 1957
DO  - 10.3390/pr10101957
ER  - 

@article{
author = "Simić, Marija and Petrović, Jelena and Šoštarić, Tatjana and Ercegović, Marija and Milojković, Jelena and Lopičić, Zorica and Kojić, Marija",
year = "2022",
abstract = "In this study, raw corn silk was considered for the removal of cadmium ions from aqueous solutions. In order to improve adsorption characteristics, the KOH treatment was applied as a route to obtain modified materials. Both materials before and after metal adsorption were characterized by pHPZC, SEM-EDX and FTIR analysis. SEM images and FTIR spectra revealed that alkali modification caused some structural changes that could improve the adsorption properties of the investigated material. The experimental results and the ion-exchange study revealed that the biosorption process of cadmium ions on to raw and modified corn silk was caused predominantly by the ion-exchange mechanism, followed by chemisorption. The kinetic parameters implied that there are three stages in the biosorption process. In addition, the cadmium adsorption on both materials is very fast and is followed by the pseudo-second-order kinetic model. The experimental results were fitted by two and three parameter isotherm models, while the Sips isotherm model best describes the biosorption process on both materials. According to the Sips isotherm model, the maximum adsorption capacity of cadmium adsorbed on modified materials was 49.06 mg g−1, which is 2.23 times greater in comparison to the raw material (21.96 mg g−1). Furthermore, the mechanisms of cadmium adsorption onto the investigated materials are summarized in order to better understand the modification influence on the adsorption properties of corn silk. In order to examine reusability of the investigated material, diluted nitric acid was used for regeneration. A desorption study was performed in three adsorption-desorption cycles. A high desorption efficiency (˃85%) indicated that MCS after Cd adsorption can be efficiently recovered and reused for a new adsorption cycle.",
journal = "Processes",
title = "A Mechanism Assessment and Differences of Cadmium Adsorption on Raw and Alkali-Modified Agricultural Waste",
volume = "10",
number = "10",
pages = "1957",
doi = "10.3390/pr10101957"
}

Simić, M., Petrović, J., Šoštarić, T., Ercegović, M., Milojković, J., Lopičić, Z.,& Kojić, M.. (2022). A Mechanism Assessment and Differences of Cadmium Adsorption on Raw and Alkali-Modified Agricultural Waste. in Processes, 10(10), 1957.
https://doi.org/10.3390/pr10101957

Simić M, Petrović J, Šoštarić T, Ercegović M, Milojković J, Lopičić Z, Kojić M. A Mechanism Assessment and Differences of Cadmium Adsorption on Raw and Alkali-Modified Agricultural Waste. in Processes. 2022;10(10):1957.
doi:10.3390/pr10101957 .

Simić, Marija, Petrović, Jelena, Šoštarić, Tatjana, Ercegović, Marija, Milojković, Jelena, Lopičić, Zorica, Kojić, Marija, "A Mechanism Assessment and Differences of Cadmium Adsorption on Raw and Alkali-Modified Agricultural Waste" in Processes, 10, no. 10 (2022):1957,
https://doi.org/10.3390/pr10101957 . .

TY  - JOUR
AU  - Kojić, Marija
AU  - Mihajlović, Marija
AU  - Marinović-Cincović, Milena
AU  - Petrović, Jelena
AU  - Katnić, Đurica
AU  - Krstić, Aleksandar
AU  - Butulija, Svetlana
AU  - Onjia, Antonije E.
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10272
AB  - A calcium-pyro-hydrochar (Ca-PHC) can be distinguished as a novel sorbent of Pb2+ and Cd2+ from an aqueous solution. It was obtained using hydrothermal treatment of the spent mushroom substrate (SMS), followed by a CaCl2·5H2O activation and pyrolysis. The characterisation of chars before and after modifications was done by scanning electron microscope (SEM), Brunauer–Emmett–Teller (BET) and Fourier transform infrared (FTIR). Batch experiments were performed to examine Ca-PHC’s sorption properties and binding mechanisms to selected metal ions. The maximum sorption capacities of Ca-PHC for Pb2+ and Cd2+ were 297 mg g−1, and 131 mg g−1, respectively. The obtained results demonstrated that the sorption of Pb2+ and Cd2+ by Ca-PHC follows a pseudo-second kinetic model and Freundlich isotherm. The binding of the selected metals onto Ca-PHC was enabled by the ion-exchange mechanism, surface complexation, mineral precipitation and cation–π interaction. Thermodynamic parameters indicate that metal ions binding by Ca-PHC are spontaneous and endothermic. Due to the high adsorption capacities, the obtained Ca-PHC has good potential for application in industrial wastewater treatment. In addition, the demonstrated use of SMS highlights another possibility of applying this specific biomass relevant to sustainable and economical waste management in the growing mushroom industry.
T2  - Waste Management and Research
T1  - Calcium-pyro-hydrochar derived from the spent mushroom substrate as a functional sorbent of Pb2+ and Cd2+ from aqueous solutions
DO  - 10.1177/0734242X221093951
ER  - 

@article{
author = "Kojić, Marija and Mihajlović, Marija and Marinović-Cincović, Milena and Petrović, Jelena and Katnić, Đurica and Krstić, Aleksandar and Butulija, Svetlana and Onjia, Antonije E.",
year = "2022",
abstract = "A calcium-pyro-hydrochar (Ca-PHC) can be distinguished as a novel sorbent of Pb2+ and Cd2+ from an aqueous solution. It was obtained using hydrothermal treatment of the spent mushroom substrate (SMS), followed by a CaCl2·5H2O activation and pyrolysis. The characterisation of chars before and after modifications was done by scanning electron microscope (SEM), Brunauer–Emmett–Teller (BET) and Fourier transform infrared (FTIR). Batch experiments were performed to examine Ca-PHC’s sorption properties and binding mechanisms to selected metal ions. The maximum sorption capacities of Ca-PHC for Pb2+ and Cd2+ were 297 mg g−1, and 131 mg g−1, respectively. The obtained results demonstrated that the sorption of Pb2+ and Cd2+ by Ca-PHC follows a pseudo-second kinetic model and Freundlich isotherm. The binding of the selected metals onto Ca-PHC was enabled by the ion-exchange mechanism, surface complexation, mineral precipitation and cation–π interaction. Thermodynamic parameters indicate that metal ions binding by Ca-PHC are spontaneous and endothermic. Due to the high adsorption capacities, the obtained Ca-PHC has good potential for application in industrial wastewater treatment. In addition, the demonstrated use of SMS highlights another possibility of applying this specific biomass relevant to sustainable and economical waste management in the growing mushroom industry.",
journal = "Waste Management and Research",
title = "Calcium-pyro-hydrochar derived from the spent mushroom substrate as a functional sorbent of Pb2+ and Cd2+ from aqueous solutions",
doi = "10.1177/0734242X221093951"
}

Kojić, M., Mihajlović, M., Marinović-Cincović, M., Petrović, J., Katnić, Đ., Krstić, A., Butulija, S.,& Onjia, A. E.. (2022). Calcium-pyro-hydrochar derived from the spent mushroom substrate as a functional sorbent of Pb2+ and Cd2+ from aqueous solutions. in Waste Management and Research.
https://doi.org/10.1177/0734242X221093951

Kojić M, Mihajlović M, Marinović-Cincović M, Petrović J, Katnić Đ, Krstić A, Butulija S, Onjia AE. Calcium-pyro-hydrochar derived from the spent mushroom substrate as a functional sorbent of Pb2+ and Cd2+ from aqueous solutions. in Waste Management and Research. 2022;.
doi:10.1177/0734242X221093951 .

Kojić, Marija, Mihajlović, Marija, Marinović-Cincović, Milena, Petrović, Jelena, Katnić, Đurica, Krstić, Aleksandar, Butulija, Svetlana, Onjia, Antonije E., "Calcium-pyro-hydrochar derived from the spent mushroom substrate as a functional sorbent of Pb2+ and Cd2+ from aqueous solutions" in Waste Management and Research (2022),
https://doi.org/10.1177/0734242X221093951 . .

TY  - CONF
AU  - Čutović, Natalija
AU  - Vuksanović, Marija M.
AU  - Milošević, Milena
AU  - Bugarčić, Mladen
AU  - Bošnjaković, Jovana
AU  - Gržetić, Jelena
AU  - Marinković, Aleksandar
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10674
AB  - Due to the increasing use and widespread of plastics, poly (ethylene terephthalate) (PET) and poly (vinyl chloride) (PVC) are becoming one of the major threats to the environment. The aim of this paper is obtaining plasticizers from recycled PET, and hot/cold mixing thereof with PVC to produce new materials. Plasticizer was obtained from PET using ethylene glycol (EG) in the presence of catalyst FASCAT 4100, followed by treatment with maleic anhydride and finally 2-ethylhexanol (2-EtHex). The obtained glycolysate and plasticizer, individually or mixtures thereof, were used for the production of polygranulates based on waste PVC in order to obtain an expanded mass of homogenized PVC with glycolysate/plasticizer. The abovementioned procedures and test results for the regranulates and products indicate that the proposed technology offers a solution to the problem of waste PET and PVC through transesterification in order to obtain plasticizer based on PET and EG, called 2-EtHex/MA/РG/PET/EG/MA/2-EtHex used in the processing of PVC waste and in regranulate. The obtained regranulates are further processed by injection molding or extrusion into commercial products such as slippers, footwear, boots, garden hoses, mats, floor mats, etc.
PB  - University of Belgrade, Technical Faculty in Bor
C3  - EcoTER’22 : 29th International Conference Ecological Truth and Environmental Research : Proceedings
T1  - Recycled Poly(ethylene Terephthalate) Based-Plasticizer for PVC Regranulates Production
SP  - 452
EP  - 458
UR  - https://hdl.handle.net/21.15107/rcub_vinar_10674
ER  - 

@conference{
author = "Čutović, Natalija and Vuksanović, Marija M. and Milošević, Milena and Bugarčić, Mladen and Bošnjaković, Jovana and Gržetić, Jelena and Marinković, Aleksandar",
year = "2022",
abstract = "Due to the increasing use and widespread of plastics, poly (ethylene terephthalate) (PET) and poly (vinyl chloride) (PVC) are becoming one of the major threats to the environment. The aim of this paper is obtaining plasticizers from recycled PET, and hot/cold mixing thereof with PVC to produce new materials. Plasticizer was obtained from PET using ethylene glycol (EG) in the presence of catalyst FASCAT 4100, followed by treatment with maleic anhydride and finally 2-ethylhexanol (2-EtHex). The obtained glycolysate and plasticizer, individually or mixtures thereof, were used for the production of polygranulates based on waste PVC in order to obtain an expanded mass of homogenized PVC with glycolysate/plasticizer. The abovementioned procedures and test results for the regranulates and products indicate that the proposed technology offers a solution to the problem of waste PET and PVC through transesterification in order to obtain plasticizer based on PET and EG, called 2-EtHex/MA/РG/PET/EG/MA/2-EtHex used in the processing of PVC waste and in regranulate. The obtained regranulates are further processed by injection molding or extrusion into commercial products such as slippers, footwear, boots, garden hoses, mats, floor mats, etc.",
publisher = "University of Belgrade, Technical Faculty in Bor",
journal = "EcoTER’22 : 29th International Conference Ecological Truth and Environmental Research : Proceedings",
title = "Recycled Poly(ethylene Terephthalate) Based-Plasticizer for PVC Regranulates Production",
pages = "452-458",
url = "https://hdl.handle.net/21.15107/rcub_vinar_10674"
}

Čutović, N., Vuksanović, M. M., Milošević, M., Bugarčić, M., Bošnjaković, J., Gržetić, J.,& Marinković, A.. (2022). Recycled Poly(ethylene Terephthalate) Based-Plasticizer for PVC Regranulates Production. in EcoTER’22 : 29th International Conference Ecological Truth and Environmental Research : Proceedings
University of Belgrade, Technical Faculty in Bor., 452-458.
https://hdl.handle.net/21.15107/rcub_vinar_10674

Čutović N, Vuksanović MM, Milošević M, Bugarčić M, Bošnjaković J, Gržetić J, Marinković A. Recycled Poly(ethylene Terephthalate) Based-Plasticizer for PVC Regranulates Production. in EcoTER’22 : 29th International Conference Ecological Truth and Environmental Research : Proceedings. 2022;:452-458.
https://hdl.handle.net/21.15107/rcub_vinar_10674 .

Čutović, Natalija, Vuksanović, Marija M., Milošević, Milena, Bugarčić, Mladen, Bošnjaković, Jovana, Gržetić, Jelena, Marinković, Aleksandar, "Recycled Poly(ethylene Terephthalate) Based-Plasticizer for PVC Regranulates Production" in EcoTER’22 : 29th International Conference Ecological Truth and Environmental Research : Proceedings (2022):452-458,
https://hdl.handle.net/21.15107/rcub_vinar_10674 .

TY  - JOUR
AU  - Milojkov, Dušan V
AU  - Sokić, Miroslav
AU  - Radosavljević-Mihajlović, Ana S.
AU  - Stanić, Vojislav
AU  - Manojlović, Vaso
AU  - Mutavdžić, Dragosav R
AU  - Milanović, Marija
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9922
AB  - Coupled substitution of fluorapatite (FAP) crystal lattice plays an important role in the engineering of optically active nanomaterials. Uniform fluorapatite nanopowders doped with praseodymium (Pr3+) and carbonate (CO32−) ions have been successfully synthesized by precipitation method under room temperature (25 °C). The structural, morphological, chemical and optical properties of monophase material were characterized by X-ray diffraction (XRD), Fourier Transform Infrared and Far Infrared Spectroscopy (FTIR and FIR, respectively), Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM/EDS), Transmission Electron Microscopy (TEM) and Photoluminescence Spectroscopy (PL). Coupled substitution of FAP crystal lattice with Pr3+ and CO32− reduces the crystallite size with a constant c/a ratio of 1.72. FTIR study showed that synthesized nanopowders were AB-type CO32− substitution, and FIR study revealed new Pr–O vibrations. TEM analysis was found that synthesized nanopowders were composed of irregular spheres in the nanometer range. The fluorescence of FAP nanoparticles was in the violet-blue region of the visible part of the spectrum. When Pr3+ was doped in a lattice, the violet-blue emission becomes sharper due to reabsorption. MCR–ALS analyses of fluorescence spectra indicated the shift of the maximum to the blue color with the increase in the concentration of Pr3+ ions. Additionally, luminescent nanopowders demonstrated significant antibacterial activity against Escherichia coli. As the obtained nanoparticles showed a good absorption of ultraviolet A light and reabsorption of blue-green luminescence, they are suitable for further development of optically active nanomaterials for light filtering. Optically active PrCFAP nanopowders with antibacterial properties may be promising additives for the development of multifunctional cosmetic and health care products.
T2  - Metals
T1  - Influence of Pr3+ and CO32− Ions Coupled Substitution on Structural, Optical and Antibacterial Properties of Fluorapatite Nanopowders Obtained by Precipitation
VL  - 11
IS  - 9
SP  - 1384
DO  - 10.3390/met11091384
ER  - 

@article{
author = "Milojkov, Dušan V and Sokić, Miroslav and Radosavljević-Mihajlović, Ana S. and Stanić, Vojislav and Manojlović, Vaso and Mutavdžić, Dragosav R and Milanović, Marija",
year = "2021",
abstract = "Coupled substitution of fluorapatite (FAP) crystal lattice plays an important role in the engineering of optically active nanomaterials. Uniform fluorapatite nanopowders doped with praseodymium (Pr3+) and carbonate (CO32−) ions have been successfully synthesized by precipitation method under room temperature (25 °C). The structural, morphological, chemical and optical properties of monophase material were characterized by X-ray diffraction (XRD), Fourier Transform Infrared and Far Infrared Spectroscopy (FTIR and FIR, respectively), Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM/EDS), Transmission Electron Microscopy (TEM) and Photoluminescence Spectroscopy (PL). Coupled substitution of FAP crystal lattice with Pr3+ and CO32− reduces the crystallite size with a constant c/a ratio of 1.72. FTIR study showed that synthesized nanopowders were AB-type CO32− substitution, and FIR study revealed new Pr–O vibrations. TEM analysis was found that synthesized nanopowders were composed of irregular spheres in the nanometer range. The fluorescence of FAP nanoparticles was in the violet-blue region of the visible part of the spectrum. When Pr3+ was doped in a lattice, the violet-blue emission becomes sharper due to reabsorption. MCR–ALS analyses of fluorescence spectra indicated the shift of the maximum to the blue color with the increase in the concentration of Pr3+ ions. Additionally, luminescent nanopowders demonstrated significant antibacterial activity against Escherichia coli. As the obtained nanoparticles showed a good absorption of ultraviolet A light and reabsorption of blue-green luminescence, they are suitable for further development of optically active nanomaterials for light filtering. Optically active PrCFAP nanopowders with antibacterial properties may be promising additives for the development of multifunctional cosmetic and health care products.",
journal = "Metals",
title = "Influence of Pr3+ and CO32− Ions Coupled Substitution on Structural, Optical and Antibacterial Properties of Fluorapatite Nanopowders Obtained by Precipitation",
volume = "11",
number = "9",
pages = "1384",
doi = "10.3390/met11091384"
}

Milojkov, D. V., Sokić, M., Radosavljević-Mihajlović, A. S., Stanić, V., Manojlović, V., Mutavdžić, D. R.,& Milanović, M.. (2021). Influence of Pr3+ and CO32− Ions Coupled Substitution on Structural, Optical and Antibacterial Properties of Fluorapatite Nanopowders Obtained by Precipitation. in Metals, 11(9), 1384.
https://doi.org/10.3390/met11091384

Milojkov DV, Sokić M, Radosavljević-Mihajlović AS, Stanić V, Manojlović V, Mutavdžić DR, Milanović M. Influence of Pr3+ and CO32− Ions Coupled Substitution on Structural, Optical and Antibacterial Properties of Fluorapatite Nanopowders Obtained by Precipitation. in Metals. 2021;11(9):1384.
doi:10.3390/met11091384 .

Milojkov, Dušan V, Sokić, Miroslav, Radosavljević-Mihajlović, Ana S., Stanić, Vojislav, Manojlović, Vaso, Mutavdžić, Dragosav R, Milanović, Marija, "Influence of Pr3+ and CO32− Ions Coupled Substitution on Structural, Optical and Antibacterial Properties of Fluorapatite Nanopowders Obtained by Precipitation" in Metals, 11, no. 9 (2021):1384,
https://doi.org/10.3390/met11091384 . .

TY  - JOUR
AU  - Petrović, Jelena
AU  - Simić, Marija
AU  - Mihajlović, Marija
AU  - Koprivica, Marija
AU  - Kojić, Marija
AU  - Nuić, Ivona
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10170
AB  - In recent decades, massive exploitation of fossil fuels caused a growing demand for the production of energies from renewable sources. Hydrochar obtained from waste biomass via hydrothermal carbonization (HTC) possesses good potentials as a biofuel. Therefore, we performed HTC of corn cob, paulownia leaves, and olive pomace at different temperatures (180, 220, and 260oC). The main goal of this study was to comparatively evaluate the influence of HTC conditions on the structure and fuel characteristics of the obtained solids. The results showed that the yields of hydrochar decrease significantly with increasing temperature in all samples. The carbon content and higher heating value increased and reached the highest values in hydrochars obtained at 260°C, while the content of volatile matter decreased. Furthermore, the Van Krevelen diagram reveals that the transformation of feedstock to lignite-like products upon HTC was achieved. In this study, the results showed that processes of dehydration and decarboxylation during HTC provoke intensive biomass transformation and that hydrochars obtained at higher temperatures have significantly enhanced fuel properties and fewer volatiles compared to the feedstock.
T2  - Hemijska industrija
T1  - Upgrading fuel potentials of waste biomass via hydrothermal carbonization
VL  - 75
IS  - 5
SP  - 297
EP  - 305
DO  - 10.2298/HEMIND210507025P
ER  - 

@article{
author = "Petrović, Jelena and Simić, Marija and Mihajlović, Marija and Koprivica, Marija and Kojić, Marija and Nuić, Ivona",
year = "2021",
abstract = "In recent decades, massive exploitation of fossil fuels caused a growing demand for the production of energies from renewable sources. Hydrochar obtained from waste biomass via hydrothermal carbonization (HTC) possesses good potentials as a biofuel. Therefore, we performed HTC of corn cob, paulownia leaves, and olive pomace at different temperatures (180, 220, and 260oC). The main goal of this study was to comparatively evaluate the influence of HTC conditions on the structure and fuel characteristics of the obtained solids. The results showed that the yields of hydrochar decrease significantly with increasing temperature in all samples. The carbon content and higher heating value increased and reached the highest values in hydrochars obtained at 260°C, while the content of volatile matter decreased. Furthermore, the Van Krevelen diagram reveals that the transformation of feedstock to lignite-like products upon HTC was achieved. In this study, the results showed that processes of dehydration and decarboxylation during HTC provoke intensive biomass transformation and that hydrochars obtained at higher temperatures have significantly enhanced fuel properties and fewer volatiles compared to the feedstock.",
journal = "Hemijska industrija",
title = "Upgrading fuel potentials of waste biomass via hydrothermal carbonization",
volume = "75",
number = "5",
pages = "297-305",
doi = "10.2298/HEMIND210507025P"
}

Petrović, J., Simić, M., Mihajlović, M., Koprivica, M., Kojić, M.,& Nuić, I.. (2021). Upgrading fuel potentials of waste biomass via hydrothermal carbonization. in Hemijska industrija, 75(5), 297-305.
https://doi.org/10.2298/HEMIND210507025P

Petrović J, Simić M, Mihajlović M, Koprivica M, Kojić M, Nuić I. Upgrading fuel potentials of waste biomass via hydrothermal carbonization. in Hemijska industrija. 2021;75(5):297-305.
doi:10.2298/HEMIND210507025P .

Petrović, Jelena, Simić, Marija, Mihajlović, Marija, Koprivica, Marija, Kojić, Marija, Nuić, Ivona, "Upgrading fuel potentials of waste biomass via hydrothermal carbonization" in Hemijska industrija, 75, no. 5 (2021):297-305,
https://doi.org/10.2298/HEMIND210507025P . .

TY  - JOUR
AU  - Mihajlović, Marija
AU  - Koprivica, Marija
AU  - Kojić, Marija
AU  - Nuić, Ivona
AU  - Petrović, Jelena
AU  - Simić, Marija
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10171
AB  - This article has been published under the category Technical paper instead of Original scientific paper by mistake made by the Editorial Office of the journal Hemijska industrija during the proofreading process. Apologies are offered to authors and readers of the journal Hemijska industrija.
T2  - Hemijska industrija
T1  - Erratum to: Upgrading fuel potentials of waste biomass via hydrothermal carbonization (Hem. Ind. 75 (5) 297–305 (2021))
VL  - 75
IS  - 6
SP  - 381
EP  - 381
DO  - 10.2298/HEMIND211227032P
ER  - 

@article{
author = "Mihajlović, Marija and Koprivica, Marija and Kojić, Marija and Nuić, Ivona and Petrović, Jelena and Simić, Marija",
year = "2021",
abstract = "This article has been published under the category Technical paper instead of Original scientific paper by mistake made by the Editorial Office of the journal Hemijska industrija during the proofreading process. Apologies are offered to authors and readers of the journal Hemijska industrija.",
journal = "Hemijska industrija",
title = "Erratum to: Upgrading fuel potentials of waste biomass via hydrothermal carbonization (Hem. Ind. 75 (5) 297–305 (2021))",
volume = "75",
number = "6",
pages = "381-381",
doi = "10.2298/HEMIND211227032P"
}

Mihajlović, M., Koprivica, M., Kojić, M., Nuić, I., Petrović, J.,& Simić, M.. (2021). Erratum to: Upgrading fuel potentials of waste biomass via hydrothermal carbonization (Hem. Ind. 75 (5) 297–305 (2021)). in Hemijska industrija, 75(6), 381-381.
https://doi.org/10.2298/HEMIND211227032P

Mihajlović M, Koprivica M, Kojić M, Nuić I, Petrović J, Simić M. Erratum to: Upgrading fuel potentials of waste biomass via hydrothermal carbonization (Hem. Ind. 75 (5) 297–305 (2021)). in Hemijska industrija. 2021;75(6):381-381.
doi:10.2298/HEMIND211227032P .

Mihajlović, Marija, Koprivica, Marija, Kojić, Marija, Nuić, Ivona, Petrović, Jelena, Simić, Marija, "Erratum to: Upgrading fuel potentials of waste biomass via hydrothermal carbonization (Hem. Ind. 75 (5) 297–305 (2021))" in Hemijska industrija, 75, no. 6 (2021):381-381,
https://doi.org/10.2298/HEMIND211227032P . .

TY  - JOUR
AU  - Radosavljević-Mihajlović, Ana S.
AU  - Mitić, Vojislav
AU  - Šaponjić, Aleksandra
AU  - Kasić, Vladan
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9991
AB  - Data on thermally induced transformations of Mn exchanged zeolites LTA and FAU topology are presented in this paper. Thermally induced phase transformation of Mn-exchange zeolites are followed in the range from 700 to 1300oC. Both frameworks collapse into amorphous intermediate products after heating between 600 and 650oC. Prolonged heating of the intermediate product above 1100 °C results directly in formation of a disorder Mn-anorthiteLTA and Mn-anorthiteFAU. The parameter of unit cell of Mn-anorthiteLTA and Mn-anorthiteFAU, in temperature range between 700 and 1300oC, was observed in space group C-1. The phase conversions in the temperature range investigated were followed by thermal, X-ray powder diffraction and FT-IR analyses.
T2  - Science of Sintering
T1  - Thermally induced phase transformation of Mn-LTA and Mn-FAU zeolite to anorthite phases
VL  - 53
IS  - 3
SP  - 397
EP  - 406
DO  - 10.2298/SOS2103397R
ER  - 

@article{
author = "Radosavljević-Mihajlović, Ana S. and Mitić, Vojislav and Šaponjić, Aleksandra and Kasić, Vladan",
year = "2021",
abstract = "Data on thermally induced transformations of Mn exchanged zeolites LTA and FAU topology are presented in this paper. Thermally induced phase transformation of Mn-exchange zeolites are followed in the range from 700 to 1300oC. Both frameworks collapse into amorphous intermediate products after heating between 600 and 650oC. Prolonged heating of the intermediate product above 1100 °C results directly in formation of a disorder Mn-anorthiteLTA and Mn-anorthiteFAU. The parameter of unit cell of Mn-anorthiteLTA and Mn-anorthiteFAU, in temperature range between 700 and 1300oC, was observed in space group C-1. The phase conversions in the temperature range investigated were followed by thermal, X-ray powder diffraction and FT-IR analyses.",
journal = "Science of Sintering",
title = "Thermally induced phase transformation of Mn-LTA and Mn-FAU zeolite to anorthite phases",
volume = "53",
number = "3",
pages = "397-406",
doi = "10.2298/SOS2103397R"
}

Radosavljević-Mihajlović, A. S., Mitić, V., Šaponjić, A.,& Kasić, V.. (2021). Thermally induced phase transformation of Mn-LTA and Mn-FAU zeolite to anorthite phases. in Science of Sintering, 53(3), 397-406.
https://doi.org/10.2298/SOS2103397R

Radosavljević-Mihajlović AS, Mitić V, Šaponjić A, Kasić V. Thermally induced phase transformation of Mn-LTA and Mn-FAU zeolite to anorthite phases. in Science of Sintering. 2021;53(3):397-406.
doi:10.2298/SOS2103397R .

Radosavljević-Mihajlović, Ana S., Mitić, Vojislav, Šaponjić, Aleksandra, Kasić, Vladan, "Thermally induced phase transformation of Mn-LTA and Mn-FAU zeolite to anorthite phases" in Science of Sintering, 53, no. 3 (2021):397-406,
https://doi.org/10.2298/SOS2103397R . .

TY  - JOUR
AU  - Milićević, Sonja
AU  - Vlahović, Milica
AU  - Kragović, Milan M.
AU  - Martinović, Sanja
AU  - Milošević, Vladan
AU  - Jovanović, Ivana
AU  - Stojmenović, Marija
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9639
AB  - The intent in this paper is to define how the batch equilibrium results of copper removal from a synthetic solution on natural zeolite can be used for prediction of the breakthrough curves in the fixed-bed system for both a synthetic solution and wastewater. Natural zeolite from the Vranjska Banja deposit, Serbia, has been fully characterized (XRD, chemical composition, DTA/TG, SEM/EDS) as a clinoptilolite with cation exchange capacity of 146 meq/100 g. The maximum adsorption capacity (qm) in the batch of the mono-component system (synthetic copper solution) obtained using the Langmuir isotherm model was 7.30 and 6.10 mg/g for particle size below 0.043 and 0.6–0.8 mm, respectively. Using the flow-through system with the 0.6–0.8 mm zeolite fixed-bed, almost double the adsorption capacity (11.2–12.2 mg/g) has been achieved in a saturation point for the copper removal from the synthetic solution, compared to the batch. Better results are attributed to the constant high concentration gradient in flow-through systems compared to the batch. The complex composition of wastewater and large amounts of earth alkaline metals disturb free adsorption sights on the zeolite surface. This results in a less effective adsorption in flow-through systems with adsorption capacity in breakthrough point of 5.84 mg/g (~0.95 × qm) and in a saturation point of 7.10 mg/g (~1.15 × qm).
T2  - Minerals
T1  - Removal of Copper from Mining Wastewater Using Natural Raw Material—Comparative Study between the Synthetic and Natural Wastewater Samples
VL  - 10
IS  - 9
SP  - 753
DO  - 10.3390/min10090753
ER  - 

@article{
author = "Milićević, Sonja and Vlahović, Milica and Kragović, Milan M. and Martinović, Sanja and Milošević, Vladan and Jovanović, Ivana and Stojmenović, Marija",
year = "2020",
abstract = "The intent in this paper is to define how the batch equilibrium results of copper removal from a synthetic solution on natural zeolite can be used for prediction of the breakthrough curves in the fixed-bed system for both a synthetic solution and wastewater. Natural zeolite from the Vranjska Banja deposit, Serbia, has been fully characterized (XRD, chemical composition, DTA/TG, SEM/EDS) as a clinoptilolite with cation exchange capacity of 146 meq/100 g. The maximum adsorption capacity (qm) in the batch of the mono-component system (synthetic copper solution) obtained using the Langmuir isotherm model was 7.30 and 6.10 mg/g for particle size below 0.043 and 0.6–0.8 mm, respectively. Using the flow-through system with the 0.6–0.8 mm zeolite fixed-bed, almost double the adsorption capacity (11.2–12.2 mg/g) has been achieved in a saturation point for the copper removal from the synthetic solution, compared to the batch. Better results are attributed to the constant high concentration gradient in flow-through systems compared to the batch. The complex composition of wastewater and large amounts of earth alkaline metals disturb free adsorption sights on the zeolite surface. This results in a less effective adsorption in flow-through systems with adsorption capacity in breakthrough point of 5.84 mg/g (~0.95 × qm) and in a saturation point of 7.10 mg/g (~1.15 × qm).",
journal = "Minerals",
title = "Removal of Copper from Mining Wastewater Using Natural Raw Material—Comparative Study between the Synthetic and Natural Wastewater Samples",
volume = "10",
number = "9",
pages = "753",
doi = "10.3390/min10090753"
}

Milićević, S., Vlahović, M., Kragović, M. M., Martinović, S., Milošević, V., Jovanović, I.,& Stojmenović, M.. (2020). Removal of Copper from Mining Wastewater Using Natural Raw Material—Comparative Study between the Synthetic and Natural Wastewater Samples. in Minerals, 10(9), 753.
https://doi.org/10.3390/min10090753

Milićević S, Vlahović M, Kragović MM, Martinović S, Milošević V, Jovanović I, Stojmenović M. Removal of Copper from Mining Wastewater Using Natural Raw Material—Comparative Study between the Synthetic and Natural Wastewater Samples. in Minerals. 2020;10(9):753.
doi:10.3390/min10090753 .

Milićević, Sonja, Vlahović, Milica, Kragović, Milan M., Martinović, Sanja, Milošević, Vladan, Jovanović, Ivana, Stojmenović, Marija, "Removal of Copper from Mining Wastewater Using Natural Raw Material—Comparative Study between the Synthetic and Natural Wastewater Samples" in Minerals, 10, no. 9 (2020):753,
https://doi.org/10.3390/min10090753 . .