TY  - JOUR
AU  - Nenadović, Miloš
AU  - Ferone, Claudio
AU  - Kljajević, Ljiljana M.
AU  - Mirković, Miljana M.
AU  - Todorović, Bratislav 
AU  - Vukanac, Ivana
AU  - Nenadović, Snežana S.
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9950
AB  - Presented study deals with the final structure and radiological properties of different fly-ash based geopolymers. Lignite fly-ash (lignite Kolubara – Serbia) and wood fly ash were obtained in combustion process together with commercial fly-ash. Synthesis of the geopolymers was conducted by mixing fly-ash, sodium silicate solution, NaOH and water. The samples were strengthened 60 °C for 48 hours after staying at room temperature in covering mold for 24 hours. The X-ray diffraction, Fourier transform infrared and SAM measurements were conducted on the samples after 28 days of geopolymerization process. The X-ray diffraction measurements of lignite fly-ash samples show anhydrite as the main constituent, while wood fly-ash samples consist of calcite, albite and gypsum minerals. Besides determination of physicochemical properties, the aim of this study was radiological characterization of lignite fly-ash, wood fly-ash and the obtained geopolymer products. Activity concentration of 40K and radionuclides from the 238U and 232Th decay series, in ash samples and fly-ash based geopolymers, were determined by means of gamma-ray spectrometry, and the absorbed dose rate, D, and the annual effective dose rate, E, were calculated in accordance with the UNSCEAR 2000 report.
T2  - Nuclear Technology and Radiation Protection
T1  - Alkali activation of different type of ash as a production of combustion process
VL  - 36
IS  - 1
SP  - 66
EP  - 73
DO  - 10.2298/NTRP201120006N
ER  - 

@article{
author = "Nenadović, Miloš and Ferone, Claudio and Kljajević, Ljiljana M. and Mirković, Miljana M. and Todorović, Bratislav  and Vukanac, Ivana and Nenadović, Snežana S.",
year = "2021",
abstract = "Presented study deals with the final structure and radiological properties of different fly-ash based geopolymers. Lignite fly-ash (lignite Kolubara – Serbia) and wood fly ash were obtained in combustion process together with commercial fly-ash. Synthesis of the geopolymers was conducted by mixing fly-ash, sodium silicate solution, NaOH and water. The samples were strengthened 60 °C for 48 hours after staying at room temperature in covering mold for 24 hours. The X-ray diffraction, Fourier transform infrared and SAM measurements were conducted on the samples after 28 days of geopolymerization process. The X-ray diffraction measurements of lignite fly-ash samples show anhydrite as the main constituent, while wood fly-ash samples consist of calcite, albite and gypsum minerals. Besides determination of physicochemical properties, the aim of this study was radiological characterization of lignite fly-ash, wood fly-ash and the obtained geopolymer products. Activity concentration of 40K and radionuclides from the 238U and 232Th decay series, in ash samples and fly-ash based geopolymers, were determined by means of gamma-ray spectrometry, and the absorbed dose rate, D, and the annual effective dose rate, E, were calculated in accordance with the UNSCEAR 2000 report.",
journal = "Nuclear Technology and Radiation Protection",
title = "Alkali activation of different type of ash as a production of combustion process",
volume = "36",
number = "1",
pages = "66-73",
doi = "10.2298/NTRP201120006N"
}

Nenadović, M., Ferone, C., Kljajević, L. M., Mirković, M. M., Todorović, B., Vukanac, I.,& Nenadović, S. S.. (2021). Alkali activation of different type of ash as a production of combustion process. in Nuclear Technology and Radiation Protection, 36(1), 66-73.
https://doi.org/10.2298/NTRP201120006N

Nenadović M, Ferone C, Kljajević LM, Mirković MM, Todorović B, Vukanac I, Nenadović SS. Alkali activation of different type of ash as a production of combustion process. in Nuclear Technology and Radiation Protection. 2021;36(1):66-73.
doi:10.2298/NTRP201120006N .

Nenadović, Miloš, Ferone, Claudio, Kljajević, Ljiljana M., Mirković, Miljana M., Todorović, Bratislav , Vukanac, Ivana, Nenadović, Snežana S., "Alkali activation of different type of ash as a production of combustion process" in Nuclear Technology and Radiation Protection, 36, no. 1 (2021):66-73,
https://doi.org/10.2298/NTRP201120006N . .

TY  - JOUR
AU  - Nenadović, Snežana S.
AU  - Ferone, Claudio
AU  - Nenadović, Miloš
AU  - Cioffi, Raffaele
AU  - Mirković, Miljana M.
AU  - Vukanac, Ivana
AU  - Kljajević, Ljiljana M.
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9050
AB  - The main goal of this study was the evaluation of physical–chemical, as well as radiological properties of residual materials used for geopolymer synthesis and those final products as a possible application as new materials in a civil engineering industry. Concentration of K and radionuclides from the U and Th decay series in waste precursors, their metaphases and geopolymer samples synthetized by alkali activation were determined together with corresponding absorbed dose rate (D˙) and the annual effective dose rate. Natural activity concentrations in the alkali-activated material (geopolymer) were found to be lower than that of both residual materials and calcined ones.
T2  - Journal of Radioanalytical and Nuclear Chemistry
T1  - Chemical, physical and radiological evaluation of raw materials and geopolymers for building applications
VL  - 325
IS  - 2
SP  - 435
EP  - 445
DO  - 10.1007/s10967-020-07250-1
ER  - 

@article{
author = "Nenadović, Snežana S. and Ferone, Claudio and Nenadović, Miloš and Cioffi, Raffaele and Mirković, Miljana M. and Vukanac, Ivana and Kljajević, Ljiljana M.",
year = "2020",
abstract = "The main goal of this study was the evaluation of physical–chemical, as well as radiological properties of residual materials used for geopolymer synthesis and those final products as a possible application as new materials in a civil engineering industry. Concentration of K and radionuclides from the U and Th decay series in waste precursors, their metaphases and geopolymer samples synthetized by alkali activation were determined together with corresponding absorbed dose rate (D˙) and the annual effective dose rate. Natural activity concentrations in the alkali-activated material (geopolymer) were found to be lower than that of both residual materials and calcined ones.",
journal = "Journal of Radioanalytical and Nuclear Chemistry",
title = "Chemical, physical and radiological evaluation of raw materials and geopolymers for building applications",
volume = "325",
number = "2",
pages = "435-445",
doi = "10.1007/s10967-020-07250-1"
}

Nenadović, S. S., Ferone, C., Nenadović, M., Cioffi, R., Mirković, M. M., Vukanac, I.,& Kljajević, L. M.. (2020). Chemical, physical and radiological evaluation of raw materials and geopolymers for building applications. in Journal of Radioanalytical and Nuclear Chemistry, 325(2), 435-445.
https://doi.org/10.1007/s10967-020-07250-1

Nenadović SS, Ferone C, Nenadović M, Cioffi R, Mirković MM, Vukanac I, Kljajević LM. Chemical, physical and radiological evaluation of raw materials and geopolymers for building applications. in Journal of Radioanalytical and Nuclear Chemistry. 2020;325(2):435-445.
doi:10.1007/s10967-020-07250-1 .

Nenadović, Snežana S., Ferone, Claudio, Nenadović, Miloš, Cioffi, Raffaele, Mirković, Miljana M., Vukanac, Ivana, Kljajević, Ljiljana M., "Chemical, physical and radiological evaluation of raw materials and geopolymers for building applications" in Journal of Radioanalytical and Nuclear Chemistry, 325, no. 2 (2020):435-445,
https://doi.org/10.1007/s10967-020-07250-1 . .