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  • 标题:Radiological and physicochemical properties of red mud based geopolymers
  • 作者:Bošković, Ivana V. ; Nenadović, Snežana S. ; Kljajević, Ljiljana M.
  • 期刊名称:Nuclear Technology and Radiation Protection
  • 印刷版ISSN:1451-3994
  • 出版年度:2018
  • 卷号:33
  • 期号:2
  • 页码:188-194
  • DOI:10.2298/NTRP1802188B
  • 出版社:VINČA Institute of Nuclear Sciences
  • 摘要:A significant amount of red mud generated as a by-product of the Bayer process in the aluminum industry may cause environmental problems if appropriate treatment is not carried out. The presented research dealt with the possibility of application of red mud as a pigment or as raw material for use in the construction material industry. In relation to the aim of this work, the physicochemical characterization was performed and the natural radioactivity of red mud as an industrial waste and a geopolymer sample based on it was determined. The presented research is a contribution to the potential solution for environmental protection through the synthesis of possible construction material based on red mud. The radiological hazard orginating from 226Ra, 232Th, and 40K in the samples was assesed throught the absorbed dose rate and the annual effective dose rate, calculated in accordance with the UNSCEAR 2010 report. Physicochemical characterization of all samples was conducted using X-ray diffraction and diffuse reflectance infrared Fourier transform spectroscopy. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. III 45012]
  • 关键词:amorphous material; microstructure; pigment; red mud; spectroscopy
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