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Diffusion behavior of Se(IV) and Re(VII) in biotite: effects of dry density and ionic strength

Bian, Wenjie (författare)
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China; R&D and Modelling Center for Treatment and Disposal of Radioactive Waste, University of South China, Hengyang, 421001, China
Qi, Xiaohao (författare)
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China
Wang, Hai (författare)
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China; R&D and Modelling Center for Treatment and Disposal of Radioactive Waste, University of South China, Hengyang, 421001, China
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Zhang, Xu (författare)
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China; R&D and Modelling Center for Treatment and Disposal of Radioactive Waste, University of South China, Hengyang, 421001, China
Yue, Chengtao (författare)
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China; R&D and Modelling Center for Treatment and Disposal of Radioactive Waste, University of South China, Hengyang, 421001, China
Meng, Shuo (författare)
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China; R&D and Modelling Center for Treatment and Disposal of Radioactive Waste, University of South China, Hengyang, 421001, China
Liu, Longcheng (författare)
KTH,Kemiteknik,School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China; R&D and Modelling Center for Treatment and Disposal of Radioactive Waste, University of South China, Hengyang, 421001, China; Beijing Research Institute of Chemical Engineering and Metallurgy, Beijing, 101149, China
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 (creator_code:org_t)
Springer Nature, 2023
2023
Engelska.
Ingår i: Journal of Radioanalytical and Nuclear Chemistry. - : Springer Nature. - 0236-5731 .- 1588-2780. ; 332:11, s. 4413-4425
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Biotite is an important adsorption carrier in the constituent minerals of Beishan granite. In this work, the effects of compaction density and ionic strength on the diffusion behavior of Se(IV) and Re(VII) in biotite were studied by capillary in-diffusion method and diffusion cell through-diffusion method. When the compaction density decreases or the ionic strength increases, the apparent diffusion coefficient increases, and its values range between 10–11 and 10–9 m2/s. The relationship between De and εacc, ionic strength and εacc was fitted using Archie's law and compared with the parameters of other researchers.

Ämnesord

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

Nyckelord

Accessible porosity
Biotite
Diffusion
Dry density
Ionic strength

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