TY  - JOUR
AU  - Omerasević, Mia
AU  - Ruzić, Jovana
AU  - Vuković, Nikola
AU  - Jovanović, Uros
AU  - Mirković, Miljana
AU  - Maksimović, Vesna
AU  - Dondur, Vera
PY  - 2016
UR  - https://ritnms.itnms.ac.rs/handle/123456789/392
AB  - The possibility to use natural zeolite - clinoptilolite as a host material for radioactive Cs immobilization has been investigated. Cs-exchanged form of clinoptilolite which was prepared by treatment of clinoptilolite powder with 0.25 M CsCl solution was compacted. Both, powder and powder compact of exchanged clinoptilolite were thermally treated at 1200 C-0. The XRPD analysis showed that Cs was successfully immobilized after heat treatment by formation of stable cesium dodecaoxo-alumopentasilicate in both, powder sample and compact. The newly formed compound showed satisfactory Cs ions retention during leaching test. The sintered compact showed somewhat better resistance to Cs leaching than the thermally treated powder. The compressive strength of sintered compact was close to 200 MPa which is more than enough for easy handling and safe storage.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Removal of Cs Ions from Aqueous Solutions by Using Matrices of Natural Clinoptilolite and its Safe Disposal
EP  - 107
IS  - 1
SP  - 101
VL  - 48
DO  - 10.2298/SOS1601101O
UR  - conv_761
ER  - 

@article{
author = "Omerasević, Mia and Ruzić, Jovana and Vuković, Nikola and Jovanović, Uros and Mirković, Miljana and Maksimović, Vesna and Dondur, Vera",
year = "2016",
abstract = "The possibility to use natural zeolite - clinoptilolite as a host material for radioactive Cs immobilization has been investigated. Cs-exchanged form of clinoptilolite which was prepared by treatment of clinoptilolite powder with 0.25 M CsCl solution was compacted. Both, powder and powder compact of exchanged clinoptilolite were thermally treated at 1200 C-0. The XRPD analysis showed that Cs was successfully immobilized after heat treatment by formation of stable cesium dodecaoxo-alumopentasilicate in both, powder sample and compact. The newly formed compound showed satisfactory Cs ions retention during leaching test. The sintered compact showed somewhat better resistance to Cs leaching than the thermally treated powder. The compressive strength of sintered compact was close to 200 MPa which is more than enough for easy handling and safe storage.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Removal of Cs Ions from Aqueous Solutions by Using Matrices of Natural Clinoptilolite and its Safe Disposal",
pages = "107-101",
number = "1",
volume = "48",
doi = "10.2298/SOS1601101O",
url = "conv_761"
}

Omerasević, M., Ruzić, J., Vuković, N., Jovanović, U., Mirković, M., Maksimović, V.,& Dondur, V.. (2016). Removal of Cs Ions from Aqueous Solutions by Using Matrices of Natural Clinoptilolite and its Safe Disposal. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 48(1), 101-107.
https://doi.org/10.2298/SOS1601101O
conv_761

Omerasević M, Ruzić J, Vuković N, Jovanović U, Mirković M, Maksimović V, Dondur V. Removal of Cs Ions from Aqueous Solutions by Using Matrices of Natural Clinoptilolite and its Safe Disposal. in Science of Sintering. 2016;48(1):101-107.
doi:10.2298/SOS1601101O
conv_761 .

Omerasević, Mia, Ruzić, Jovana, Vuković, Nikola, Jovanović, Uros, Mirković, Miljana, Maksimović, Vesna, Dondur, Vera, "Removal of Cs Ions from Aqueous Solutions by Using Matrices of Natural Clinoptilolite and its Safe Disposal" in Science of Sintering, 48, no. 1 (2016):101-107,
https://doi.org/10.2298/SOS1601101O .,
conv_761 .

TY  - JOUR
AU  - Nikolić, Vesna
AU  - Kamberović, Željko
AU  - Andić, Zoran
AU  - Korać, Marija
AU  - Sokić, Miroslav
AU  - Maksimović, Vesna
PY  - 2014
UR  - https://ritnms.itnms.ac.rs/handle/123456789/322
AB  - A method of synthesizing Ni-based catalysts supported on alpha-Al2O3-based foams was developed. The foams were impregnated with aqueous solutions of metal chlorides under an air atmosphere using an aerosol route. Separate procedures involved calcination to form oxides and drying to obtain chlorides on the foam surface. The synthesized samples were subsequently reduced with hydrogen. With respect to the Ni/Al2O3 catalysts, the chloride reduction route enabled the formation of a Ni coating without agglomerates or cracks. Further research included catalyst modification by the addition of Pd, Cu, and Fe. The influences of the additives on the degree of reduction and on the low-temperature reduction effectiveness (533 and 633 K) were examined and compared for the catalysts obtained from oxides and chlorides. Greater degrees of reduction were achieved with chlorides, whereas Pd was the most effective modifier among those investigated. The reduction process was nearly complete at 533 K in the sample that contained 0.1wt% Pd. A lower reduction temperature was utilized, and the calcination step was avoided, which may enhance the economical and technological aspects of the developed catalyst production method.
PB  - Springer, New York
T2  - International Journal of Minerals Metallurgy and Materials
T1  - Influences of synthesis methods and modifier addition on the properties of Ni-based catalysts supported on reticulated ceramic foams
EP  - 812
IS  - 8
SP  - 806
VL  - 21
DO  - 10.1007/s12613-014-0974-x
UR  - conv_698
ER  - 

@article{
author = "Nikolić, Vesna and Kamberović, Željko and Andić, Zoran and Korać, Marija and Sokić, Miroslav and Maksimović, Vesna",
year = "2014",
abstract = "A method of synthesizing Ni-based catalysts supported on alpha-Al2O3-based foams was developed. The foams were impregnated with aqueous solutions of metal chlorides under an air atmosphere using an aerosol route. Separate procedures involved calcination to form oxides and drying to obtain chlorides on the foam surface. The synthesized samples were subsequently reduced with hydrogen. With respect to the Ni/Al2O3 catalysts, the chloride reduction route enabled the formation of a Ni coating without agglomerates or cracks. Further research included catalyst modification by the addition of Pd, Cu, and Fe. The influences of the additives on the degree of reduction and on the low-temperature reduction effectiveness (533 and 633 K) were examined and compared for the catalysts obtained from oxides and chlorides. Greater degrees of reduction were achieved with chlorides, whereas Pd was the most effective modifier among those investigated. The reduction process was nearly complete at 533 K in the sample that contained 0.1wt% Pd. A lower reduction temperature was utilized, and the calcination step was avoided, which may enhance the economical and technological aspects of the developed catalyst production method.",
publisher = "Springer, New York",
journal = "International Journal of Minerals Metallurgy and Materials",
title = "Influences of synthesis methods and modifier addition on the properties of Ni-based catalysts supported on reticulated ceramic foams",
pages = "812-806",
number = "8",
volume = "21",
doi = "10.1007/s12613-014-0974-x",
url = "conv_698"
}

Nikolić, V., Kamberović, Ž., Andić, Z., Korać, M., Sokić, M.,& Maksimović, V.. (2014). Influences of synthesis methods and modifier addition on the properties of Ni-based catalysts supported on reticulated ceramic foams. in International Journal of Minerals Metallurgy and Materials
Springer, New York., 21(8), 806-812.
https://doi.org/10.1007/s12613-014-0974-x
conv_698

Nikolić V, Kamberović Ž, Andić Z, Korać M, Sokić M, Maksimović V. Influences of synthesis methods and modifier addition on the properties of Ni-based catalysts supported on reticulated ceramic foams. in International Journal of Minerals Metallurgy and Materials. 2014;21(8):806-812.
doi:10.1007/s12613-014-0974-x
conv_698 .

Nikolić, Vesna, Kamberović, Željko, Andić, Zoran, Korać, Marija, Sokić, Miroslav, Maksimović, Vesna, "Influences of synthesis methods and modifier addition on the properties of Ni-based catalysts supported on reticulated ceramic foams" in International Journal of Minerals Metallurgy and Materials, 21, no. 8 (2014):806-812,
https://doi.org/10.1007/s12613-014-0974-x .,
conv_698 .