Bibliographic Details
| Title: |
Diffusion of Re(VII) and Se (IV) in compacted GMZ bentonite in the presence of Bacillus spp. |
| Authors: |
Zhao, Shuaiwei1, Wu, Tao2 twu@zjhu.edu.cn, Li, Honghui1 yz202lhh@163.com, Xu, Minghong2, Mao, Liang1, Guo, Yuhua2, Liu, Yuchen1, Jia, Meilan1 |
| Source: |
Journal of Radioanalytical & Nuclear Chemistry. Apr2019, Vol. 320 Issue 1, p47-53. 7p. 3 Charts, 3 Graphs. |
| Subject Terms: |
*EXPONENTIAL decay law, *BENTONITE, *BACILLUS (Bacteria), *DIFFUSION, *DIFFUSION coefficients |
| Abstract: |
The effect of Bacillus spp. on Re(VII) and Se(IV) diffusion in compacted GMZ bentonite was investigated by a through-diffusion method. Bacillus spp. had no significance effect on the effective diffusion coefficient (De) and the accessible porosity (εacc) of Re(VII), whereas a decrease of De and an increase of distribution coefficient (Kd) were observed for Se(IV). Moreover, Archie's law and an exponential decay equation were employed to fit the De value of Re(VII) and Se(IV). [ABSTRACT FROM AUTHOR] |
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