TY  - JOUR
AU  - Ilić, Ilija
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Mojović, Zorica D.
AU  - Vuković, Zoran
AU  - Vulić, Predrag J.
AU  - Gržetić, Ivan
AU  - Banković, Predrag
AU  - Jović-Jovičić, Nataša
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4045
AB  - The goal of this work was the synthesis of a montmorillonite based catalyst for advanced oxidative degradation of organic water pollutants. Montmorillonite (Mt) –rich bentonite was acid-activated (MtA), and impregnated with cobalt (II) solution using the incipient wetness impregnation method. The impregnation was followed by heat treatment. Cobalt(II) ions were added in the quantities corresponding to 0.5 and 1.0 of the cation exchange capacity value. All samples were characterized by using chemical analysis, X-ray powder diffraction (XRPD), Electron paramagnetic resonance (EPR), X-ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM) coupled with Energy-dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM) and low temperature N2 physisorption. The incorporation of the cobalt in the impregnated samples and the development of porous structure in the acid-activated ones were confirmed. The montmorillonite (Mt) was used as a catalyst support, while the cobalt in its oxide form was responsible for the generation of sulfo-radicals from Oxone®. Two aromatic N-compounds were tested as model pollutants: diazo dye - Acid Orange 10 (AO10) and nicotine. It was found that the synthesized catalysts could be used for the degradation of both pollutants, although more efficiently in AO10 degradation. The acid activation, higher cobalt loading, and temperature were found to be beneficial for the degradation of AO10.
PB  - Elsevier
T2  - Applied Clay Science
T1  - Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts
VL  - 193
SP  - 105668
DO  - 10.1016/j.clay.2020.105668
ER  - 

@article{
author = "Ilić, Ilija and Milutinović-Nikolić, Aleksandra D. and Mojović, Zorica D. and Vuković, Zoran and Vulić, Predrag J. and Gržetić, Ivan and Banković, Predrag and Jović-Jovičić, Nataša",
year = "2020",
abstract = "The goal of this work was the synthesis of a montmorillonite based catalyst for advanced oxidative degradation of organic water pollutants. Montmorillonite (Mt) –rich bentonite was acid-activated (MtA), and impregnated with cobalt (II) solution using the incipient wetness impregnation method. The impregnation was followed by heat treatment. Cobalt(II) ions were added in the quantities corresponding to 0.5 and 1.0 of the cation exchange capacity value. All samples were characterized by using chemical analysis, X-ray powder diffraction (XRPD), Electron paramagnetic resonance (EPR), X-ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM) coupled with Energy-dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM) and low temperature N2 physisorption. The incorporation of the cobalt in the impregnated samples and the development of porous structure in the acid-activated ones were confirmed. The montmorillonite (Mt) was used as a catalyst support, while the cobalt in its oxide form was responsible for the generation of sulfo-radicals from Oxone®. Two aromatic N-compounds were tested as model pollutants: diazo dye - Acid Orange 10 (AO10) and nicotine. It was found that the synthesized catalysts could be used for the degradation of both pollutants, although more efficiently in AO10 degradation. The acid activation, higher cobalt loading, and temperature were found to be beneficial for the degradation of AO10.",
publisher = "Elsevier",
journal = "Applied Clay Science",
title = "Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts",
volume = "193",
pages = "105668",
doi = "10.1016/j.clay.2020.105668"
}

Ilić, I., Milutinović-Nikolić, A. D., Mojović, Z. D., Vuković, Z., Vulić, P. J., Gržetić, I., Banković, P.,& Jović-Jovičić, N.. (2020). Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts. in Applied Clay Science
Elsevier., 193, 105668.
https://doi.org/10.1016/j.clay.2020.105668

Ilić I, Milutinović-Nikolić AD, Mojović ZD, Vuković Z, Vulić PJ, Gržetić I, Banković P, Jović-Jovičić N. Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts. in Applied Clay Science. 2020;193:105668.
doi:10.1016/j.clay.2020.105668 .

Ilić, Ilija, Milutinović-Nikolić, Aleksandra D., Mojović, Zorica D., Vuković, Zoran, Vulić, Predrag J., Gržetić, Ivan, Banković, Predrag, Jović-Jovičić, Nataša, "Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts" in Applied Clay Science, 193 (2020):105668,
https://doi.org/10.1016/j.clay.2020.105668 . .

TY  - DATA
AU  - Ilić, Ilija
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Mojović, Zorica D.
AU  - Vuković, Zoran
AU  - Vulić, Predrag J.
AU  - Gržetić, Ivan
AU  - Banković, Predrag
AU  - Jović-Jovičić, Nataša
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4046
PB  - Elsevier
T2  - Applied Clay Science
T1  - Supplementary data for the article: Ilić, I.; Milutinović-Nikolić, A.; Mojović, Z.; Vuković, Z.; Vulić, P.; Gržetić, I.; Banković, P.; Jović-Jovičić, N. Oxidative Degradation of Aromatic N-Compounds Using Cobalt Containing Montmorillonite-Based Catalysts. Applied Clay Science 2020, 193, 105668. https://doi.org/10.1016/j.clay.2020.105668
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4046
ER  - 

@misc{
author = "Ilić, Ilija and Milutinović-Nikolić, Aleksandra D. and Mojović, Zorica D. and Vuković, Zoran and Vulić, Predrag J. and Gržetić, Ivan and Banković, Predrag and Jović-Jovičić, Nataša",
year = "2020",
publisher = "Elsevier",
journal = "Applied Clay Science",
title = "Supplementary data for the article: Ilić, I.; Milutinović-Nikolić, A.; Mojović, Z.; Vuković, Z.; Vulić, P.; Gržetić, I.; Banković, P.; Jović-Jovičić, N. Oxidative Degradation of Aromatic N-Compounds Using Cobalt Containing Montmorillonite-Based Catalysts. Applied Clay Science 2020, 193, 105668. https://doi.org/10.1016/j.clay.2020.105668",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4046"
}

Ilić, I., Milutinović-Nikolić, A. D., Mojović, Z. D., Vuković, Z., Vulić, P. J., Gržetić, I., Banković, P.,& Jović-Jovičić, N.. (2020). Supplementary data for the article: Ilić, I.; Milutinović-Nikolić, A.; Mojović, Z.; Vuković, Z.; Vulić, P.; Gržetić, I.; Banković, P.; Jović-Jovičić, N. Oxidative Degradation of Aromatic N-Compounds Using Cobalt Containing Montmorillonite-Based Catalysts. Applied Clay Science 2020, 193, 105668. https://doi.org/10.1016/j.clay.2020.105668. in Applied Clay Science
Elsevier..
https://hdl.handle.net/21.15107/rcub_cherry_4046

Ilić I, Milutinović-Nikolić AD, Mojović ZD, Vuković Z, Vulić PJ, Gržetić I, Banković P, Jović-Jovičić N. Supplementary data for the article: Ilić, I.; Milutinović-Nikolić, A.; Mojović, Z.; Vuković, Z.; Vulić, P.; Gržetić, I.; Banković, P.; Jović-Jovičić, N. Oxidative Degradation of Aromatic N-Compounds Using Cobalt Containing Montmorillonite-Based Catalysts. Applied Clay Science 2020, 193, 105668. https://doi.org/10.1016/j.clay.2020.105668. in Applied Clay Science. 2020;.
https://hdl.handle.net/21.15107/rcub_cherry_4046 .

Ilić, Ilija, Milutinović-Nikolić, Aleksandra D., Mojović, Zorica D., Vuković, Zoran, Vulić, Predrag J., Gržetić, Ivan, Banković, Predrag, Jović-Jovičić, Nataša, "Supplementary data for the article: Ilić, I.; Milutinović-Nikolić, A.; Mojović, Z.; Vuković, Z.; Vulić, P.; Gržetić, I.; Banković, P.; Jović-Jovičić, N. Oxidative Degradation of Aromatic N-Compounds Using Cobalt Containing Montmorillonite-Based Catalysts. Applied Clay Science 2020, 193, 105668. https://doi.org/10.1016/j.clay.2020.105668" in Applied Clay Science (2020),
https://hdl.handle.net/21.15107/rcub_cherry_4046 .

TY  - DATA
AU  - Marković, Marija
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Mojović, Zorica D.
AU  - Orlić, Jovana
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Banković, Predrag
PY  - 2019
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3375
T2  - Applied Clay Science
T1  - Supplementary material for the article: Marković, M.; Marinović, S.; Mudrinić, T.; Ajduković, M.; Jović-Jovičić, N.; Mojović, Z.; Orlić, J.; Milutinović-Nikolić, A.; Banković, P. Co(II) Impregnated Al(III)-Pillared Montmorillonite–Synthesis, Characterization and Catalytic Properties in Oxone® Activation for Dye Degradation. Applied Clay Science 2019, 182. https://doi.org/10.1016/j.clay.2019.105276
UR  - https://hdl.handle.net/21.15107/rcub_cherry_3375
ER  - 

@misc{
author = "Marković, Marija and Marinović, Sanja and Mudrinić, Tihana and Ajduković, Marija and Jović-Jovičić, Nataša and Mojović, Zorica D. and Orlić, Jovana and Milutinović-Nikolić, Aleksandra D. and Banković, Predrag",
year = "2019",
journal = "Applied Clay Science",
title = "Supplementary material for the article: Marković, M.; Marinović, S.; Mudrinić, T.; Ajduković, M.; Jović-Jovičić, N.; Mojović, Z.; Orlić, J.; Milutinović-Nikolić, A.; Banković, P. Co(II) Impregnated Al(III)-Pillared Montmorillonite–Synthesis, Characterization and Catalytic Properties in Oxone® Activation for Dye Degradation. Applied Clay Science 2019, 182. https://doi.org/10.1016/j.clay.2019.105276",
url = "https://hdl.handle.net/21.15107/rcub_cherry_3375"
}

Marković, M., Marinović, S., Mudrinić, T., Ajduković, M., Jović-Jovičić, N., Mojović, Z. D., Orlić, J., Milutinović-Nikolić, A. D.,& Banković, P.. (2019). Supplementary material for the article: Marković, M.; Marinović, S.; Mudrinić, T.; Ajduković, M.; Jović-Jovičić, N.; Mojović, Z.; Orlić, J.; Milutinović-Nikolić, A.; Banković, P. Co(II) Impregnated Al(III)-Pillared Montmorillonite–Synthesis, Characterization and Catalytic Properties in Oxone® Activation for Dye Degradation. Applied Clay Science 2019, 182. https://doi.org/10.1016/j.clay.2019.105276. in Applied Clay Science.
https://hdl.handle.net/21.15107/rcub_cherry_3375

Marković M, Marinović S, Mudrinić T, Ajduković M, Jović-Jovičić N, Mojović ZD, Orlić J, Milutinović-Nikolić AD, Banković P. Supplementary material for the article: Marković, M.; Marinović, S.; Mudrinić, T.; Ajduković, M.; Jović-Jovičić, N.; Mojović, Z.; Orlić, J.; Milutinović-Nikolić, A.; Banković, P. Co(II) Impregnated Al(III)-Pillared Montmorillonite–Synthesis, Characterization and Catalytic Properties in Oxone® Activation for Dye Degradation. Applied Clay Science 2019, 182. https://doi.org/10.1016/j.clay.2019.105276. in Applied Clay Science. 2019;.
https://hdl.handle.net/21.15107/rcub_cherry_3375 .

Marković, Marija, Marinović, Sanja, Mudrinić, Tihana, Ajduković, Marija, Jović-Jovičić, Nataša, Mojović, Zorica D., Orlić, Jovana, Milutinović-Nikolić, Aleksandra D., Banković, Predrag, "Supplementary material for the article: Marković, M.; Marinović, S.; Mudrinić, T.; Ajduković, M.; Jović-Jovičić, N.; Mojović, Z.; Orlić, J.; Milutinović-Nikolić, A.; Banković, P. Co(II) Impregnated Al(III)-Pillared Montmorillonite–Synthesis, Characterization and Catalytic Properties in Oxone® Activation for Dye Degradation. Applied Clay Science 2019, 182. https://doi.org/10.1016/j.clay.2019.105276" in Applied Clay Science (2019),
https://hdl.handle.net/21.15107/rcub_cherry_3375 .

TY  - JOUR
AU  - Marković, Marija
AU  - Marinović, Sanja
AU  - Mudrinić, Tihana
AU  - Ajduković, Marija
AU  - Jović-Jovičić, Nataša
AU  - Mojović, Zorica D.
AU  - Orlić, Jovana
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Banković, Predrag
PY  - 2019
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3374
AB  - Aluminum pillared clay was synthesized and impregnated with Co2+ (CoAP), using incipient wetness impregnation method. The obtained CoAP was characterized by chemical analysis, XRPD, SEM with EDS, XPS and low temperature N2 physisorption. By these methods the incorporation of Co2+ was confirmed in both micro and mesoporous region. The synthesized material was investigated as a catalyst in catalytic oxidation of organic water pollutants – dyes – in the presence of Oxone® (peroxymonosulfate). Oxone® is a precursor of sulfate radicals. Tartrazine was chosen as a model dye pollutant. The influence of the mass of the catalyst, temperature and initial pH was investigated. Temperature increase was beneficial for dye degradation rate. The reaction rate was the highest for initial pH values around those corresponding to neutral conditions, somewhat slower for pH < 4 values, while for pH > 10 decolorization was significantly less expressed. Along with decolorization of tartrazine solution the formation and degradation of tartrazine catalytic oxidation products were monitored using UV–Vis spectroscopy. CoAP was found to be efficient catalyst in Oxone® induced catalytic degradation of both tartrazine and detected products of its degradation.
T2  - Applied Clay Science
T1  - Co(II) impregnated Al(III)-pillared montmorillonite–Synthesis, characterization and catalytic properties in Oxone® activation for dye degradation
VL  - 182
DO  - 10.1016/j.clay.2019.105276
ER  - 

@article{
author = "Marković, Marija and Marinović, Sanja and Mudrinić, Tihana and Ajduković, Marija and Jović-Jovičić, Nataša and Mojović, Zorica D. and Orlić, Jovana and Milutinović-Nikolić, Aleksandra D. and Banković, Predrag",
year = "2019",
abstract = "Aluminum pillared clay was synthesized and impregnated with Co2+ (CoAP), using incipient wetness impregnation method. The obtained CoAP was characterized by chemical analysis, XRPD, SEM with EDS, XPS and low temperature N2 physisorption. By these methods the incorporation of Co2+ was confirmed in both micro and mesoporous region. The synthesized material was investigated as a catalyst in catalytic oxidation of organic water pollutants – dyes – in the presence of Oxone® (peroxymonosulfate). Oxone® is a precursor of sulfate radicals. Tartrazine was chosen as a model dye pollutant. The influence of the mass of the catalyst, temperature and initial pH was investigated. Temperature increase was beneficial for dye degradation rate. The reaction rate was the highest for initial pH values around those corresponding to neutral conditions, somewhat slower for pH < 4 values, while for pH > 10 decolorization was significantly less expressed. Along with decolorization of tartrazine solution the formation and degradation of tartrazine catalytic oxidation products were monitored using UV–Vis spectroscopy. CoAP was found to be efficient catalyst in Oxone® induced catalytic degradation of both tartrazine and detected products of its degradation.",
journal = "Applied Clay Science",
title = "Co(II) impregnated Al(III)-pillared montmorillonite–Synthesis, characterization and catalytic properties in Oxone® activation for dye degradation",
volume = "182",
doi = "10.1016/j.clay.2019.105276"
}

Marković, M., Marinović, S., Mudrinić, T., Ajduković, M., Jović-Jovičić, N., Mojović, Z. D., Orlić, J., Milutinović-Nikolić, A. D.,& Banković, P.. (2019). Co(II) impregnated Al(III)-pillared montmorillonite–Synthesis, characterization and catalytic properties in Oxone® activation for dye degradation. in Applied Clay Science, 182.
https://doi.org/10.1016/j.clay.2019.105276

Marković M, Marinović S, Mudrinić T, Ajduković M, Jović-Jovičić N, Mojović ZD, Orlić J, Milutinović-Nikolić AD, Banković P. Co(II) impregnated Al(III)-pillared montmorillonite–Synthesis, characterization and catalytic properties in Oxone® activation for dye degradation. in Applied Clay Science. 2019;182.
doi:10.1016/j.clay.2019.105276 .

Marković, Marija, Marinović, Sanja, Mudrinić, Tihana, Ajduković, Marija, Jović-Jovičić, Nataša, Mojović, Zorica D., Orlić, Jovana, Milutinović-Nikolić, Aleksandra D., Banković, Predrag, "Co(II) impregnated Al(III)-pillared montmorillonite–Synthesis, characterization and catalytic properties in Oxone® activation for dye degradation" in Applied Clay Science, 182 (2019),
https://doi.org/10.1016/j.clay.2019.105276 . .

TY  - DATA
AU  - Anđelković, Uroš
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Bajt, Teja
AU  - Mojović, Zorica D.
AU  - Vujčić, Zoran
AU  - Jovanović, Dušan
PY  - 2015
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3365
AB  - The external invertase isoform 1 (EINV1) was immobilised on eight differently modified beidellite nanoclays, Modifications were composed of organo-modification with different amounts of surfactant - hexadecyl trimethylammonium cation (HDTMA), pillaring with Al/Fe containing polyhydroxy cations and acid modification of Na-enriched and pillared clays. The modified nanoclays were characterised by XRD, N-2-physisorption, SEM and FT-IR spectroscopy. The amount of bound enzyme activity was significantly influenced by the modification of beidellite ranging from 50 to remarkable 2200 U/g. Biochemical characterization was performed for five modified nanoclays showing the highest enzyme activity after invertase immobilisation. The investigation demonstrated that after immobilisation the structure and the catalytic properties of invertase were preserved, while Km values were slightly increased from 26 to 37 mM. immobilisation significantly improved thermal and storage stability of EINV1. Results indicate that beidellite nanoclays obtained by low cost modifications can be applied as a suitable support for the immobilisation of invertase. The immobilizate can be efficiently engaged in sucrose hydrolysis in batch reactor.
PB  - Elsevier Sci Ltd, Oxford
T2  - Food Chemistry
T1  - Supplementary data for article: Andjelković, U.; Milutinović-Nikolić, A.; Jović-Jovičić, N.; Banković, P.; Bajt, T.; Mojović, Z.; Vujčić, Z.; Jovanović, D. Efficient Stabilization of Saccharomyces Cerevisiae External Invertase by Immobilisation on Modified Beidellite Nanoclays. Food Chemistry 2015, 168, 262–269. https://doi.org/10.1016/j.foodchem.2014.07.055
UR  - https://hdl.handle.net/21.15107/rcub_cherry_3365
ER  - 

@misc{
author = "Anđelković, Uroš and Milutinović-Nikolić, Aleksandra D. and Jović-Jovičić, Nataša and Banković, Predrag and Bajt, Teja and Mojović, Zorica D. and Vujčić, Zoran and Jovanović, Dušan",
year = "2015",
abstract = "The external invertase isoform 1 (EINV1) was immobilised on eight differently modified beidellite nanoclays, Modifications were composed of organo-modification with different amounts of surfactant - hexadecyl trimethylammonium cation (HDTMA), pillaring with Al/Fe containing polyhydroxy cations and acid modification of Na-enriched and pillared clays. The modified nanoclays were characterised by XRD, N-2-physisorption, SEM and FT-IR spectroscopy. The amount of bound enzyme activity was significantly influenced by the modification of beidellite ranging from 50 to remarkable 2200 U/g. Biochemical characterization was performed for five modified nanoclays showing the highest enzyme activity after invertase immobilisation. The investigation demonstrated that after immobilisation the structure and the catalytic properties of invertase were preserved, while Km values were slightly increased from 26 to 37 mM. immobilisation significantly improved thermal and storage stability of EINV1. Results indicate that beidellite nanoclays obtained by low cost modifications can be applied as a suitable support for the immobilisation of invertase. The immobilizate can be efficiently engaged in sucrose hydrolysis in batch reactor.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Food Chemistry",
title = "Supplementary data for article: Andjelković, U.; Milutinović-Nikolić, A.; Jović-Jovičić, N.; Banković, P.; Bajt, T.; Mojović, Z.; Vujčić, Z.; Jovanović, D. Efficient Stabilization of Saccharomyces Cerevisiae External Invertase by Immobilisation on Modified Beidellite Nanoclays. Food Chemistry 2015, 168, 262–269. https://doi.org/10.1016/j.foodchem.2014.07.055",
url = "https://hdl.handle.net/21.15107/rcub_cherry_3365"
}

Anđelković, U., Milutinović-Nikolić, A. D., Jović-Jovičić, N., Banković, P., Bajt, T., Mojović, Z. D., Vujčić, Z.,& Jovanović, D.. (2015). Supplementary data for article: Andjelković, U.; Milutinović-Nikolić, A.; Jović-Jovičić, N.; Banković, P.; Bajt, T.; Mojović, Z.; Vujčić, Z.; Jovanović, D. Efficient Stabilization of Saccharomyces Cerevisiae External Invertase by Immobilisation on Modified Beidellite Nanoclays. Food Chemistry 2015, 168, 262–269. https://doi.org/10.1016/j.foodchem.2014.07.055. in Food Chemistry
Elsevier Sci Ltd, Oxford..
https://hdl.handle.net/21.15107/rcub_cherry_3365

Anđelković U, Milutinović-Nikolić AD, Jović-Jovičić N, Banković P, Bajt T, Mojović ZD, Vujčić Z, Jovanović D. Supplementary data for article: Andjelković, U.; Milutinović-Nikolić, A.; Jović-Jovičić, N.; Banković, P.; Bajt, T.; Mojović, Z.; Vujčić, Z.; Jovanović, D. Efficient Stabilization of Saccharomyces Cerevisiae External Invertase by Immobilisation on Modified Beidellite Nanoclays. Food Chemistry 2015, 168, 262–269. https://doi.org/10.1016/j.foodchem.2014.07.055. in Food Chemistry. 2015;.
https://hdl.handle.net/21.15107/rcub_cherry_3365 .

Anđelković, Uroš, Milutinović-Nikolić, Aleksandra D., Jović-Jovičić, Nataša, Banković, Predrag, Bajt, Teja, Mojović, Zorica D., Vujčić, Zoran, Jovanović, Dušan, "Supplementary data for article: Andjelković, U.; Milutinović-Nikolić, A.; Jović-Jovičić, N.; Banković, P.; Bajt, T.; Mojović, Z.; Vujčić, Z.; Jovanović, D. Efficient Stabilization of Saccharomyces Cerevisiae External Invertase by Immobilisation on Modified Beidellite Nanoclays. Food Chemistry 2015, 168, 262–269. https://doi.org/10.1016/j.foodchem.2014.07.055" in Food Chemistry (2015),
https://hdl.handle.net/21.15107/rcub_cherry_3365 .

TY  - JOUR
AU  - Anđelković, Uroš
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Bajt, Teja
AU  - Mojović, Zorica D.
AU  - Vujčić, Zoran
AU  - Jovanović, Dušan
PY  - 2015
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1865
AB  - The external invertase isoform 1 (EINV1) was immobilised on eight differently modified beidellite nanoclays, Modifications were composed of organo-modification with different amounts of surfactant - hexadecyl trimethylammonium cation (HDTMA), pillaring with Al/Fe containing polyhydroxy cations and acid modification of Na-enriched and pillared clays. The modified nanoclays were characterised by XRD, N-2-physisorption, SEM and FT-IR spectroscopy. The amount of bound enzyme activity was significantly influenced by the modification of beidellite ranging from 50 to remarkable 2200 U/g. Biochemical characterization was performed for five modified nanoclays showing the highest enzyme activity after invertase immobilisation. The investigation demonstrated that after immobilisation the structure and the catalytic properties of invertase were preserved, while Km values were slightly increased from 26 to 37 mM. immobilisation significantly improved thermal and storage stability of EINV1. Results indicate that beidellite nanoclays obtained by low cost modifications can be applied as a suitable support for the immobilisation of invertase. The immobilizate can be efficiently engaged in sucrose hydrolysis in batch reactor.
PB  - Elsevier Sci Ltd, Oxford
T2  - Food Chemistry
T1  - Efficient stabilization of Saccharomyces cerevisiae external invertase by immobilisation on modified beidellite nanoclays
VL  - 168
SP  - 262
EP  - 269
DO  - 10.1016/j.foodchem.2014.07.055
ER  - 

@article{
author = "Anđelković, Uroš and Milutinović-Nikolić, Aleksandra D. and Jović-Jovičić, Nataša and Banković, Predrag and Bajt, Teja and Mojović, Zorica D. and Vujčić, Zoran and Jovanović, Dušan",
year = "2015",
abstract = "The external invertase isoform 1 (EINV1) was immobilised on eight differently modified beidellite nanoclays, Modifications were composed of organo-modification with different amounts of surfactant - hexadecyl trimethylammonium cation (HDTMA), pillaring with Al/Fe containing polyhydroxy cations and acid modification of Na-enriched and pillared clays. The modified nanoclays were characterised by XRD, N-2-physisorption, SEM and FT-IR spectroscopy. The amount of bound enzyme activity was significantly influenced by the modification of beidellite ranging from 50 to remarkable 2200 U/g. Biochemical characterization was performed for five modified nanoclays showing the highest enzyme activity after invertase immobilisation. The investigation demonstrated that after immobilisation the structure and the catalytic properties of invertase were preserved, while Km values were slightly increased from 26 to 37 mM. immobilisation significantly improved thermal and storage stability of EINV1. Results indicate that beidellite nanoclays obtained by low cost modifications can be applied as a suitable support for the immobilisation of invertase. The immobilizate can be efficiently engaged in sucrose hydrolysis in batch reactor.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Food Chemistry",
title = "Efficient stabilization of Saccharomyces cerevisiae external invertase by immobilisation on modified beidellite nanoclays",
volume = "168",
pages = "262-269",
doi = "10.1016/j.foodchem.2014.07.055"
}

Anđelković, U., Milutinović-Nikolić, A. D., Jović-Jovičić, N., Banković, P., Bajt, T., Mojović, Z. D., Vujčić, Z.,& Jovanović, D.. (2015). Efficient stabilization of Saccharomyces cerevisiae external invertase by immobilisation on modified beidellite nanoclays. in Food Chemistry
Elsevier Sci Ltd, Oxford., 168, 262-269.
https://doi.org/10.1016/j.foodchem.2014.07.055

Anđelković U, Milutinović-Nikolić AD, Jović-Jovičić N, Banković P, Bajt T, Mojović ZD, Vujčić Z, Jovanović D. Efficient stabilization of Saccharomyces cerevisiae external invertase by immobilisation on modified beidellite nanoclays. in Food Chemistry. 2015;168:262-269.
doi:10.1016/j.foodchem.2014.07.055 .

Anđelković, Uroš, Milutinović-Nikolić, Aleksandra D., Jović-Jovičić, Nataša, Banković, Predrag, Bajt, Teja, Mojović, Zorica D., Vujčić, Zoran, Jovanović, Dušan, "Efficient stabilization of Saccharomyces cerevisiae external invertase by immobilisation on modified beidellite nanoclays" in Food Chemistry, 168 (2015):262-269,
https://doi.org/10.1016/j.foodchem.2014.07.055 . .

TY  - JOUR
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Maksin, D.
AU  - Jovic-Jovicic, N.
AU  - Mirković, Marija D.
AU  - Stanković, Dalibor
AU  - Mojović, Zorica D.
AU  - Bankovic, P.
PY  - 2014
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1809
AB  - (99)Technetium is one of the largest components of nuclear waste material. In aqueous solutions Tc-99 is present as the pertechnetate oxoanion, (TcO4-)-Tc-99, which is highly soluble and mobile in groundwater under oxidizing conditions, thus posing a major environmental concern. In this study, a series of organo-modified bentonite clay samples was tested as adsorbents for the removal of radioactive (TcO4-)-Tc-99 from aqueous solution at room temperature. The influence of the hexadecyl trimethylammonium (HDTMA)/bentonite ratio on the adsorption ability of the organobentonites was investigated. It was found that the adsorbent in which the exchangeable cations were only partially substituted with HDTMA showed very low affinity toward pertechnetate. On the other hand, the adsorbents in which the HDTMA loading exceeded the cation exchange capacity (CEC) value had high efficiency. The behavior of such adsorbents was best described by a Freundlich isotherm, while for the sample in which the HDTMA loading was equal to the CEC, the linear adsorption isotherm was the most appropriate. The difference in adsorption performance of several adsorbents was discussed from the point of view of the interlayer arrangement of the HDTMA. The kinetics of pertechnetate adsorption on HDTMA-bentonites was tested and analyzed using different surface reaction- and diffusion-based kinetic models. For all the investigated adsorbents, the most appropriate kinetic model was the pseudo-second-order kinetics model. The obtained adsorption capacities were and HDTMA-bentonites with HDTMA loadings exceeding CEC value should be regarded as very promising adsorbents for the remediation of Tc-99 polluted waters. (C) 2014 Elsevier B.V. All rights reserved.
PB  - Elsevier Science Bv, Amsterdam
T2  - Applied Clay Science
T1  - Removal of Tc-99(VII) by organo-modified bentonite
VL  - 95
SP  - 294
EP  - 302
DO  - 10.1016/j.clay.2014.04.027
ER  - 

@article{
author = "Milutinović-Nikolić, Aleksandra D. and Maksin, D. and Jovic-Jovicic, N. and Mirković, Marija D. and Stanković, Dalibor and Mojović, Zorica D. and Bankovic, P.",
year = "2014",
abstract = "(99)Technetium is one of the largest components of nuclear waste material. In aqueous solutions Tc-99 is present as the pertechnetate oxoanion, (TcO4-)-Tc-99, which is highly soluble and mobile in groundwater under oxidizing conditions, thus posing a major environmental concern. In this study, a series of organo-modified bentonite clay samples was tested as adsorbents for the removal of radioactive (TcO4-)-Tc-99 from aqueous solution at room temperature. The influence of the hexadecyl trimethylammonium (HDTMA)/bentonite ratio on the adsorption ability of the organobentonites was investigated. It was found that the adsorbent in which the exchangeable cations were only partially substituted with HDTMA showed very low affinity toward pertechnetate. On the other hand, the adsorbents in which the HDTMA loading exceeded the cation exchange capacity (CEC) value had high efficiency. The behavior of such adsorbents was best described by a Freundlich isotherm, while for the sample in which the HDTMA loading was equal to the CEC, the linear adsorption isotherm was the most appropriate. The difference in adsorption performance of several adsorbents was discussed from the point of view of the interlayer arrangement of the HDTMA. The kinetics of pertechnetate adsorption on HDTMA-bentonites was tested and analyzed using different surface reaction- and diffusion-based kinetic models. For all the investigated adsorbents, the most appropriate kinetic model was the pseudo-second-order kinetics model. The obtained adsorption capacities were and HDTMA-bentonites with HDTMA loadings exceeding CEC value should be regarded as very promising adsorbents for the remediation of Tc-99 polluted waters. (C) 2014 Elsevier B.V. All rights reserved.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Applied Clay Science",
title = "Removal of Tc-99(VII) by organo-modified bentonite",
volume = "95",
pages = "294-302",
doi = "10.1016/j.clay.2014.04.027"
}

Milutinović-Nikolić, A. D., Maksin, D., Jovic-Jovicic, N., Mirković, M. D., Stanković, D., Mojović, Z. D.,& Bankovic, P.. (2014). Removal of Tc-99(VII) by organo-modified bentonite. in Applied Clay Science
Elsevier Science Bv, Amsterdam., 95, 294-302.
https://doi.org/10.1016/j.clay.2014.04.027

Milutinović-Nikolić AD, Maksin D, Jovic-Jovicic N, Mirković MD, Stanković D, Mojović ZD, Bankovic P. Removal of Tc-99(VII) by organo-modified bentonite. in Applied Clay Science. 2014;95:294-302.
doi:10.1016/j.clay.2014.04.027 .

Milutinović-Nikolić, Aleksandra D., Maksin, D., Jovic-Jovicic, N., Mirković, Marija D., Stanković, Dalibor, Mojović, Zorica D., Bankovic, P., "Removal of Tc-99(VII) by organo-modified bentonite" in Applied Clay Science, 95 (2014):294-302,
https://doi.org/10.1016/j.clay.2014.04.027 . .

TY  - JOUR
AU  - Zunic, Marija J.
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Stanković, Dalibor
AU  - Manojlović, Dragan D.
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Mojović, Zorica D.
AU  - Jovanović, Dušan M.
PY  - 2014
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1833
AB  - Bentonite clay rich in smectite clay mineral from seldom investigated locality Mecji Do (MD) in Serbia was modified. The organomodification was performed with different loadings of benzyltrimethylammonium (BTMA) cation. The characterization of clay-based samples was performed, including XRD, FTIR and chemical and textural analysis. Electrochemical investigation was performed on a glassy carbon electrode (GCE) support with thin film of homogenously deposited either Na-enriched or one of organomodified clays forming composite electrodes. The behavior of the composite electrodes in the electrooxidation of p-nitrophenol (p-NP) in acidic media was analyzed using multisweep cyclic voltammetry. Oxidation of p-NP occurred at 1.2 V vs. Ag/AgCl for all investigated electrodes. The results indicate that the incorporation of BTMA cations into smectite enhanced the electrode stability toward the electrooxidation of p-NP in comparison to bare GCE and composite electrode based on Na-enriched clay. The current density for the p-NP oxidation wave slightly decreased with the increase of BTMA loading. On the other hand the electrode stability was significantly improved with the increase of BTMA loading. (C) 2014 Elsevier B.V. All rights reserved.
PB  - Elsevier Science Bv, Amsterdam
T2  - Applied Surface Science
T1  - Electrooxidation of p-nitrophenol using a composite organo-smectite clay glassy carbon electrode
VL  - 313
SP  - 440
EP  - 448
DO  - 10.1016/j.apsusc.2014.05.228
ER  - 

@article{
author = "Zunic, Marija J. and Milutinović-Nikolić, Aleksandra D. and Stanković, Dalibor and Manojlović, Dragan D. and Jović-Jovičić, Nataša and Banković, Predrag and Mojović, Zorica D. and Jovanović, Dušan M.",
year = "2014",
abstract = "Bentonite clay rich in smectite clay mineral from seldom investigated locality Mecji Do (MD) in Serbia was modified. The organomodification was performed with different loadings of benzyltrimethylammonium (BTMA) cation. The characterization of clay-based samples was performed, including XRD, FTIR and chemical and textural analysis. Electrochemical investigation was performed on a glassy carbon electrode (GCE) support with thin film of homogenously deposited either Na-enriched or one of organomodified clays forming composite electrodes. The behavior of the composite electrodes in the electrooxidation of p-nitrophenol (p-NP) in acidic media was analyzed using multisweep cyclic voltammetry. Oxidation of p-NP occurred at 1.2 V vs. Ag/AgCl for all investigated electrodes. The results indicate that the incorporation of BTMA cations into smectite enhanced the electrode stability toward the electrooxidation of p-NP in comparison to bare GCE and composite electrode based on Na-enriched clay. The current density for the p-NP oxidation wave slightly decreased with the increase of BTMA loading. On the other hand the electrode stability was significantly improved with the increase of BTMA loading. (C) 2014 Elsevier B.V. All rights reserved.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Applied Surface Science",
title = "Electrooxidation of p-nitrophenol using a composite organo-smectite clay glassy carbon electrode",
volume = "313",
pages = "440-448",
doi = "10.1016/j.apsusc.2014.05.228"
}

Zunic, M. J., Milutinović-Nikolić, A. D., Stanković, D., Manojlović, D. D., Jović-Jovičić, N., Banković, P., Mojović, Z. D.,& Jovanović, D. M.. (2014). Electrooxidation of p-nitrophenol using a composite organo-smectite clay glassy carbon electrode. in Applied Surface Science
Elsevier Science Bv, Amsterdam., 313, 440-448.
https://doi.org/10.1016/j.apsusc.2014.05.228

Zunic MJ, Milutinović-Nikolić AD, Stanković D, Manojlović DD, Jović-Jovičić N, Banković P, Mojović ZD, Jovanović DM. Electrooxidation of p-nitrophenol using a composite organo-smectite clay glassy carbon electrode. in Applied Surface Science. 2014;313:440-448.
doi:10.1016/j.apsusc.2014.05.228 .

Zunic, Marija J., Milutinović-Nikolić, Aleksandra D., Stanković, Dalibor, Manojlović, Dragan D., Jović-Jovičić, Nataša, Banković, Predrag, Mojović, Zorica D., Jovanović, Dušan M., "Electrooxidation of p-nitrophenol using a composite organo-smectite clay glassy carbon electrode" in Applied Surface Science, 313 (2014):440-448,
https://doi.org/10.1016/j.apsusc.2014.05.228 . .

TY  - JOUR
AU  - Jovic-Jovicic, N. P.
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Zunic, M. J.
AU  - Mojović, Zorica D.
AU  - Bankovic, P. T.
AU  - Gržetić, Ivan
AU  - Jovanović, Dušan M.
PY  - 2013
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1362
AB  - Two series of organobentonites (OBs) were synthesized from Na+-exchanged bentonite clay from Bogovina, Serbia. In the first series the starting material was modified using hexadecyltrimethylammonium (HDTMA(+)) ion in the amounts corresponding to 0.2, 0.5, 1.0 and 2.0 of the CEC value. The second series was obtained using quaternary alkyl ammonium cations (QAACs) with different alkyl chain lengths: hexadecyltrimethylammonium (HDTMA(+)), dodecyltrimethylammonium (DDTMA(+)) and tetramethylammonium (TMA(+)) ions. The synthesized OBs were characterized. The adsorption of anionic reactive dye Reactive Black 5 (RB5) and Pb2+ from single component solutions and their hi-component solution was investigated for both series of OBs. The adsorptive properties of the OBs were correlated to the amount and type of incorporated QAACs. The correlation was tested using different mathematical models and best fits were found. Experimental results showed that simultaneous adsorption of RB5 and Pb2+ exhibited synergic effect. The adsorption capacity for both RB5 and Pb2+ was higher in their hi-component solution than in single-component solutions. These results indicate the creation of new adsorption sites during the simultaneous adsorption.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Contaminant Hydrology
T1  - Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites
VL  - 150
SP  - 1
EP  - 11
DO  - 10.1016/j.jconhyd.2013.03.004
ER  - 

@article{
author = "Jovic-Jovicic, N. P. and Milutinović-Nikolić, Aleksandra D. and Zunic, M. J. and Mojović, Zorica D. and Bankovic, P. T. and Gržetić, Ivan and Jovanović, Dušan M.",
year = "2013",
abstract = "Two series of organobentonites (OBs) were synthesized from Na+-exchanged bentonite clay from Bogovina, Serbia. In the first series the starting material was modified using hexadecyltrimethylammonium (HDTMA(+)) ion in the amounts corresponding to 0.2, 0.5, 1.0 and 2.0 of the CEC value. The second series was obtained using quaternary alkyl ammonium cations (QAACs) with different alkyl chain lengths: hexadecyltrimethylammonium (HDTMA(+)), dodecyltrimethylammonium (DDTMA(+)) and tetramethylammonium (TMA(+)) ions. The synthesized OBs were characterized. The adsorption of anionic reactive dye Reactive Black 5 (RB5) and Pb2+ from single component solutions and their hi-component solution was investigated for both series of OBs. The adsorptive properties of the OBs were correlated to the amount and type of incorporated QAACs. The correlation was tested using different mathematical models and best fits were found. Experimental results showed that simultaneous adsorption of RB5 and Pb2+ exhibited synergic effect. The adsorption capacity for both RB5 and Pb2+ was higher in their hi-component solution than in single-component solutions. These results indicate the creation of new adsorption sites during the simultaneous adsorption.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Contaminant Hydrology",
title = "Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites",
volume = "150",
pages = "1-11",
doi = "10.1016/j.jconhyd.2013.03.004"
}

Jovic-Jovicic, N. P., Milutinović-Nikolić, A. D., Zunic, M. J., Mojović, Z. D., Bankovic, P. T., Gržetić, I.,& Jovanović, D. M.. (2013). Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites. in Journal of Contaminant Hydrology
Elsevier Science Bv, Amsterdam., 150, 1-11.
https://doi.org/10.1016/j.jconhyd.2013.03.004

Jovic-Jovicic NP, Milutinović-Nikolić AD, Zunic MJ, Mojović ZD, Bankovic PT, Gržetić I, Jovanović DM. Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites. in Journal of Contaminant Hydrology. 2013;150:1-11.
doi:10.1016/j.jconhyd.2013.03.004 .

Jovic-Jovicic, N. P., Milutinović-Nikolić, Aleksandra D., Zunic, M. J., Mojović, Zorica D., Bankovic, P. T., Gržetić, Ivan, Jovanović, Dušan M., "Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites" in Journal of Contaminant Hydrology, 150 (2013):1-11,
https://doi.org/10.1016/j.jconhyd.2013.03.004 . .

TY  - JOUR
AU  - Zunic, Marija J.
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Mojović, Zorica D.
AU  - Manojlović, Dragan D.
AU  - Jovanović, Dušan M.
PY  - 2010
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1093
AB  - Modification and characterization of bentonite from location Bogovina, Serbia was performed in order to obtain material applicable in wastewater purification. The  lt 75 mu m bentonite fraction was used in organobentonite synthesis while the  lt 2 mu m bentonite fraction, obtained by hydroseparation was used in pillaring procedure. Organo-modification of bentonite was performed with (1-hexadecyl)trimethylammonium bromide (HDTMA-Br). Pillared bentonite was obtained using standard procedure. Al3+ and Fe3+ were incorporated in pillars in 4:1 ratio and applied as catalyst in catalytic wet peroxide oxidation. Differences in structure of starting and modified bentonites were established by XRD analysis and nitrogen physisorption on -196 degrees C. The (001) smectite peak around 2 theta = 6 degrees shifts during the modification process. The Na-exchange process lowered d(001) from 1.53 nm (2 theta = 5.78 degrees) for starting clay to 1.28 nm (2 theta = 6.92 degrees), but the clay retained its swelling properties. The pillaring process increased and fixed the basal spacing to 1.74 nm. Intercalation of HDTMA ions into smectite structure increased d(001) to 2.00 nm for organobentonite. Specific surface area, S-BET, was affected by particle size and type of modification. The samples with finer bentonite fraction had higher S-BET due to increased smectite content. Na-exchanged bentonite samples had higher S-BET value than starting clay samples of same granulation. Organomodification caused dramatic decrease in S-BET value, while the pillaring process lead to an increase of S-BET value. Adsorptive and catalytic purification of wastewaters containing dyes was tested using Acid Yellow 99 as a model dye. Na-exchanged bentonite had greater adsorption affinity for dye adsorption than raw bentonite owing to higher S-BET. By organomodification this affinity was enhanced more than 70 times due to transition of bentonite surface from hydrophilic to organophilic. Al,Fe pillared bentonite was proven to be efficient in catalytic wet peroxide oxidation of Acid Yellow 99 dye at room temperature.
AB  - Izvršena je modifikacija i karakterizacija bentonita radi dobijanja materijala za prečišćavanje otpadnih voda. Organo-modifikacija bentonita izvedena je pomoću heksadeciltrimetilamonijum-bromida. Pilareni bentonit dobijen je standardnim postupkom uz ugradnju Al3+ i Fe3+ jona u odnosu 4:1, i korišćen je kao katalizator za oksidativnu razgradnju u prisustvu vodonik-peroksida. Razlike u strukturi polaznog i modifikovanih bentonita utvrđene su rendgeno-strukturnom analizom i fizisorpcijom azota na -196°C. Ispitivano je adsorpciono i katalitičko prečišćavanje otpadnih voda koje sadrže boje, korišćenjem Acid Yellow 99 kao model boje. Izvršeno je poređenje katalitičkih i adsorpiconih svojstava modifikovanih bentonita.
PB  - Assoc Chemists & Chemical Engineers Of Serbia, Belgrade
T2  - Hemijska industrija
T1  - Modified Bentonite as Adsorbent and Catalyst for Purification of Wastewaters Containing Dyes
T1  - Modifikovani bentonit kao adsorbent i katalizator za prečišćavanje otpadnih voda koje sadrže boje
VL  - 64
IS  - 3
SP  - 193
EP  - 199
DO  - 10.2298/HEMIND091221023Z
ER  - 

@article{
author = "Zunic, Marija J. and Milutinović-Nikolić, Aleksandra D. and Jović-Jovičić, Nataša and Banković, Predrag and Mojović, Zorica D. and Manojlović, Dragan D. and Jovanović, Dušan M.",
year = "2010",
abstract = "Modification and characterization of bentonite from location Bogovina, Serbia was performed in order to obtain material applicable in wastewater purification. The  lt 75 mu m bentonite fraction was used in organobentonite synthesis while the  lt 2 mu m bentonite fraction, obtained by hydroseparation was used in pillaring procedure. Organo-modification of bentonite was performed with (1-hexadecyl)trimethylammonium bromide (HDTMA-Br). Pillared bentonite was obtained using standard procedure. Al3+ and Fe3+ were incorporated in pillars in 4:1 ratio and applied as catalyst in catalytic wet peroxide oxidation. Differences in structure of starting and modified bentonites were established by XRD analysis and nitrogen physisorption on -196 degrees C. The (001) smectite peak around 2 theta = 6 degrees shifts during the modification process. The Na-exchange process lowered d(001) from 1.53 nm (2 theta = 5.78 degrees) for starting clay to 1.28 nm (2 theta = 6.92 degrees), but the clay retained its swelling properties. The pillaring process increased and fixed the basal spacing to 1.74 nm. Intercalation of HDTMA ions into smectite structure increased d(001) to 2.00 nm for organobentonite. Specific surface area, S-BET, was affected by particle size and type of modification. The samples with finer bentonite fraction had higher S-BET due to increased smectite content. Na-exchanged bentonite samples had higher S-BET value than starting clay samples of same granulation. Organomodification caused dramatic decrease in S-BET value, while the pillaring process lead to an increase of S-BET value. Adsorptive and catalytic purification of wastewaters containing dyes was tested using Acid Yellow 99 as a model dye. Na-exchanged bentonite had greater adsorption affinity for dye adsorption than raw bentonite owing to higher S-BET. By organomodification this affinity was enhanced more than 70 times due to transition of bentonite surface from hydrophilic to organophilic. Al,Fe pillared bentonite was proven to be efficient in catalytic wet peroxide oxidation of Acid Yellow 99 dye at room temperature., Izvršena je modifikacija i karakterizacija bentonita radi dobijanja materijala za prečišćavanje otpadnih voda. Organo-modifikacija bentonita izvedena je pomoću heksadeciltrimetilamonijum-bromida. Pilareni bentonit dobijen je standardnim postupkom uz ugradnju Al3+ i Fe3+ jona u odnosu 4:1, i korišćen je kao katalizator za oksidativnu razgradnju u prisustvu vodonik-peroksida. Razlike u strukturi polaznog i modifikovanih bentonita utvrđene su rendgeno-strukturnom analizom i fizisorpcijom azota na -196°C. Ispitivano je adsorpciono i katalitičko prečišćavanje otpadnih voda koje sadrže boje, korišćenjem Acid Yellow 99 kao model boje. Izvršeno je poređenje katalitičkih i adsorpiconih svojstava modifikovanih bentonita.",
publisher = "Assoc Chemists & Chemical Engineers Of Serbia, Belgrade",
journal = "Hemijska industrija",
title = "Modified Bentonite as Adsorbent and Catalyst for Purification of Wastewaters Containing Dyes, Modifikovani bentonit kao adsorbent i katalizator za prečišćavanje otpadnih voda koje sadrže boje",
volume = "64",
number = "3",
pages = "193-199",
doi = "10.2298/HEMIND091221023Z"
}

Zunic, M. J., Milutinović-Nikolić, A. D., Jović-Jovičić, N., Banković, P., Mojović, Z. D., Manojlović, D. D.,& Jovanović, D. M.. (2010). Modified Bentonite as Adsorbent and Catalyst for Purification of Wastewaters Containing Dyes. in Hemijska industrija
Assoc Chemists & Chemical Engineers Of Serbia, Belgrade., 64(3), 193-199.
https://doi.org/10.2298/HEMIND091221023Z

Zunic MJ, Milutinović-Nikolić AD, Jović-Jovičić N, Banković P, Mojović ZD, Manojlović DD, Jovanović DM. Modified Bentonite as Adsorbent and Catalyst for Purification of Wastewaters Containing Dyes. in Hemijska industrija. 2010;64(3):193-199.
doi:10.2298/HEMIND091221023Z .

Zunic, Marija J., Milutinović-Nikolić, Aleksandra D., Jović-Jovičić, Nataša, Banković, Predrag, Mojović, Zorica D., Manojlović, Dragan D., Jovanović, Dušan M., "Modified Bentonite as Adsorbent and Catalyst for Purification of Wastewaters Containing Dyes" in Hemijska industrija, 64, no. 3 (2010):193-199,
https://doi.org/10.2298/HEMIND091221023Z . .

TY  - JOUR
AU  - Jovic-Jovicic, N.
AU  - Milutinović-Nikolić, Aleksandra D.
AU  - Bankovic, P.
AU  - Mojović, Zorica D.
AU  - Zunic, M.
AU  - Gržetić, Ivan
AU  - Jovanovic, D.
PY  - 2010
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1054
AB  - Partial substitution of the interlayer cations of a local bentonite (Bogovina) by hexadecyl trimethylammonium ions (HDTMA) was performed to prepare adsorbents able to simultaneously adsorb toxic metal cations and organic pollutants. Acid Orange 10 adsorption increased with increasing HDTMA addition, while the adsorption of Pb2+ decreased with increasing organophilicity. The adsorption of the dye and Pb2+ and their mixture onto Na-rich bentonite and HDTMA-bentonites, regardless of adsorbents' organophilicity, obeyed the pseudo-second-order kinetics model. (C) 2009 Elsevier B.V. All rights reserved.
PB  - Elsevier Science Bv, Amsterdam
T2  - Applied Clay Science
T1  - Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions
VL  - 47
IS  - 3-4
SP  - 452
EP  - 456
DO  - 10.1016/j.clay.2009.11.005
ER  - 

@article{
author = "Jovic-Jovicic, N. and Milutinović-Nikolić, Aleksandra D. and Bankovic, P. and Mojović, Zorica D. and Zunic, M. and Gržetić, Ivan and Jovanovic, D.",
year = "2010",
abstract = "Partial substitution of the interlayer cations of a local bentonite (Bogovina) by hexadecyl trimethylammonium ions (HDTMA) was performed to prepare adsorbents able to simultaneously adsorb toxic metal cations and organic pollutants. Acid Orange 10 adsorption increased with increasing HDTMA addition, while the adsorption of Pb2+ decreased with increasing organophilicity. The adsorption of the dye and Pb2+ and their mixture onto Na-rich bentonite and HDTMA-bentonites, regardless of adsorbents' organophilicity, obeyed the pseudo-second-order kinetics model. (C) 2009 Elsevier B.V. All rights reserved.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Applied Clay Science",
title = "Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions",
volume = "47",
number = "3-4",
pages = "452-456",
doi = "10.1016/j.clay.2009.11.005"
}

Jovic-Jovicic, N., Milutinović-Nikolić, A. D., Bankovic, P., Mojović, Z. D., Zunic, M., Gržetić, I.,& Jovanovic, D.. (2010). Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions. in Applied Clay Science
Elsevier Science Bv, Amsterdam., 47(3-4), 452-456.
https://doi.org/10.1016/j.clay.2009.11.005

Jovic-Jovicic N, Milutinović-Nikolić AD, Bankovic P, Mojović ZD, Zunic M, Gržetić I, Jovanovic D. Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions. in Applied Clay Science. 2010;47(3-4):452-456.
doi:10.1016/j.clay.2009.11.005 .

Jovic-Jovicic, N., Milutinović-Nikolić, Aleksandra D., Bankovic, P., Mojović, Zorica D., Zunic, M., Gržetić, Ivan, Jovanovic, D., "Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions" in Applied Clay Science, 47, no. 3-4 (2010):452-456,
https://doi.org/10.1016/j.clay.2009.11.005 . .

TY  - JOUR
AU  - Mojović, Zorica D.
AU  - Mentus, Slavko V.
AU  - Tešić, Živoslav Lj.
PY  - 2004
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/640
AB  - Nanodispersed metallic clusters of platinum and palladium were incorporated into NaX zeolite cavities by impregnation with acetone solution of corresponding acetylacetonates, solvent evaporation and acetylacetonate thermal decomposition. The acetylacetonate decomposition was followed by thermogravimetry. Modified zeolite samples were characterized by x-ray diffractommetry. In order to get a satisfactory electronic conductivity of modified zeolite, 10% wt of carbon black was added. This material was applied to a rotating glassy carbon disc electrode, and was used to study electrochemical water splitting in slightly acidic aqueous solutions. Noble metal modified zeolites exhibit significant reduction in water decomposition overvoltage as compared to smooth polycrystalline platinum.
PB  - Trans Tech Publications Ltd, Zurich-Uetikon
T2  - Materials Science Forum
T1  - Introduction of Pt and Pd nanoclusters in zeolite cavities by thermal degradation of acetylacetonates
SP  - 257
EP  - 262
DO  - 10.4028/www.scientific.net/MSF.453-454.257
ER  - 

@article{
author = "Mojović, Zorica D. and Mentus, Slavko V. and Tešić, Živoslav Lj.",
year = "2004",
abstract = "Nanodispersed metallic clusters of platinum and palladium were incorporated into NaX zeolite cavities by impregnation with acetone solution of corresponding acetylacetonates, solvent evaporation and acetylacetonate thermal decomposition. The acetylacetonate decomposition was followed by thermogravimetry. Modified zeolite samples were characterized by x-ray diffractommetry. In order to get a satisfactory electronic conductivity of modified zeolite, 10% wt of carbon black was added. This material was applied to a rotating glassy carbon disc electrode, and was used to study electrochemical water splitting in slightly acidic aqueous solutions. Noble metal modified zeolites exhibit significant reduction in water decomposition overvoltage as compared to smooth polycrystalline platinum.",
publisher = "Trans Tech Publications Ltd, Zurich-Uetikon",
journal = "Materials Science Forum",
title = "Introduction of Pt and Pd nanoclusters in zeolite cavities by thermal degradation of acetylacetonates",
pages = "257-262",
doi = "10.4028/www.scientific.net/MSF.453-454.257"
}

Mojović, Z. D., Mentus, S. V.,& Tešić, Ž. Lj.. (2004). Introduction of Pt and Pd nanoclusters in zeolite cavities by thermal degradation of acetylacetonates. in Materials Science Forum
Trans Tech Publications Ltd, Zurich-Uetikon., 257-262.
https://doi.org/10.4028/www.scientific.net/MSF.453-454.257

Mojović ZD, Mentus SV, Tešić ŽL. Introduction of Pt and Pd nanoclusters in zeolite cavities by thermal degradation of acetylacetonates. in Materials Science Forum. 2004;:257-262.
doi:10.4028/www.scientific.net/MSF.453-454.257 .

Mojović, Zorica D., Mentus, Slavko V., Tešić, Živoslav Lj., "Introduction of Pt and Pd nanoclusters in zeolite cavities by thermal degradation of acetylacetonates" in Materials Science Forum (2004):257-262,
https://doi.org/10.4028/www.scientific.net/MSF.453-454.257 . .

TY  - JOUR
AU  - Mentus, Slavko V.
AU  - Mojović, Zorica D.
AU  - Cvjeticanin, N
AU  - Tešić, Živoslav Lj.
PY  - 2004
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/659
AB  - Platinum was incorporated into the cavities of NaX zeolite by impregration/thermal decomposition technique, using Pt(II)-acetylacetonate in acetone as an impregnating solution. The platinum-to-zeolite weight ratio amounted to 0.092. The sample was characterized by thermogravimetry, X-ray diffraction and Na-23 MAS NMR methods. The mixture of modified zeolite and 10 wt. % of carbon black, in a form of thin layer, was pasted to a glassy carbon stance. With such an electrode material, the electrochemical decomposition of aqueous 2.5 mM H2SO4 + 1 M Na2SO4 solution with hydrogen and oxygen production has been kinetically studied. In comparison with smooth polycrystalline platinum, this electrode material provided an remarkable overvoltage drop,for water splitting, primarily due to the acceleration of oxygen evolution reaction.
PB  - Ecole Polytechnique Montreal, Montreal
T2  - Journal of New Materials for Electrochemical Systems
T1  - Electrochemical water splitting on zeolite supported platinum clusters
VL  - 7
IS  - 3
SP  - 213
EP  - 220
UR  - https://hdl.handle.net/21.15107/rcub_cherry_659
ER  - 

@article{
author = "Mentus, Slavko V. and Mojović, Zorica D. and Cvjeticanin, N and Tešić, Živoslav Lj.",
year = "2004",
abstract = "Platinum was incorporated into the cavities of NaX zeolite by impregration/thermal decomposition technique, using Pt(II)-acetylacetonate in acetone as an impregnating solution. The platinum-to-zeolite weight ratio amounted to 0.092. The sample was characterized by thermogravimetry, X-ray diffraction and Na-23 MAS NMR methods. The mixture of modified zeolite and 10 wt. % of carbon black, in a form of thin layer, was pasted to a glassy carbon stance. With such an electrode material, the electrochemical decomposition of aqueous 2.5 mM H2SO4 + 1 M Na2SO4 solution with hydrogen and oxygen production has been kinetically studied. In comparison with smooth polycrystalline platinum, this electrode material provided an remarkable overvoltage drop,for water splitting, primarily due to the acceleration of oxygen evolution reaction.",
publisher = "Ecole Polytechnique Montreal, Montreal",
journal = "Journal of New Materials for Electrochemical Systems",
title = "Electrochemical water splitting on zeolite supported platinum clusters",
volume = "7",
number = "3",
pages = "213-220",
url = "https://hdl.handle.net/21.15107/rcub_cherry_659"
}

Mentus, S. V., Mojović, Z. D., Cvjeticanin, N.,& Tešić, Ž. Lj.. (2004). Electrochemical water splitting on zeolite supported platinum clusters. in Journal of New Materials for Electrochemical Systems
Ecole Polytechnique Montreal, Montreal., 7(3), 213-220.
https://hdl.handle.net/21.15107/rcub_cherry_659

Mentus SV, Mojović ZD, Cvjeticanin N, Tešić ŽL. Electrochemical water splitting on zeolite supported platinum clusters. in Journal of New Materials for Electrochemical Systems. 2004;7(3):213-220.
https://hdl.handle.net/21.15107/rcub_cherry_659 .

Mentus, Slavko V., Mojović, Zorica D., Cvjeticanin, N, Tešić, Živoslav Lj., "Electrochemical water splitting on zeolite supported platinum clusters" in Journal of New Materials for Electrochemical Systems, 7, no. 3 (2004):213-220,
https://hdl.handle.net/21.15107/rcub_cherry_659 .

TY  - JOUR
AU  - Mentus, Slavko V.
AU  - Mojović, Zorica D.
AU  - Cvjeticanin, N.
AU  - Tešić, Živoslav Lj.
PY  - 2003
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/575
AB  - Na X type zeolite was loaded with platinum, by the thermal decomposition of Pt(II) acetylacetonate, up to the Pt/NaX mass ratio of 0.174. The sample, dispersed on a glassy carbon rotating disc, was used in slightly acidic solution to observe the kinetics of the hydrogen evolution reaction. A comparison was Made With the rate of hydrogen evolution on smooth polycrystalline platinum, and both slower and faster evolution rates were observed, depending on the percentage of carbon black added to the zeolite sample.
PB  - Wiley-Blackwell, Malden
T2  - Fuel Cells
T1  - Hydrogen Evolution on Zeolite Supported Platinum Clusters
VL  - 3
IS  - 1-2
SP  - 15
EP  - 20
DO  - 10.1002/fuce.200320240
ER  - 

@article{
author = "Mentus, Slavko V. and Mojović, Zorica D. and Cvjeticanin, N. and Tešić, Živoslav Lj.",
year = "2003",
abstract = "Na X type zeolite was loaded with platinum, by the thermal decomposition of Pt(II) acetylacetonate, up to the Pt/NaX mass ratio of 0.174. The sample, dispersed on a glassy carbon rotating disc, was used in slightly acidic solution to observe the kinetics of the hydrogen evolution reaction. A comparison was Made With the rate of hydrogen evolution on smooth polycrystalline platinum, and both slower and faster evolution rates were observed, depending on the percentage of carbon black added to the zeolite sample.",
publisher = "Wiley-Blackwell, Malden",
journal = "Fuel Cells",
title = "Hydrogen Evolution on Zeolite Supported Platinum Clusters",
volume = "3",
number = "1-2",
pages = "15-20",
doi = "10.1002/fuce.200320240"
}

Mentus, S. V., Mojović, Z. D., Cvjeticanin, N.,& Tešić, Ž. Lj.. (2003). Hydrogen Evolution on Zeolite Supported Platinum Clusters. in Fuel Cells
Wiley-Blackwell, Malden., 3(1-2), 15-20.
https://doi.org/10.1002/fuce.200320240

Mentus SV, Mojović ZD, Cvjeticanin N, Tešić ŽL. Hydrogen Evolution on Zeolite Supported Platinum Clusters. in Fuel Cells. 2003;3(1-2):15-20.
doi:10.1002/fuce.200320240 .

Mentus, Slavko V., Mojović, Zorica D., Cvjeticanin, N., Tešić, Živoslav Lj., "Hydrogen Evolution on Zeolite Supported Platinum Clusters" in Fuel Cells, 3, no. 1-2 (2003):15-20,
https://doi.org/10.1002/fuce.200320240 . .