Diffusion of Re(VII) and Se (IV) in compacted GMZ bentonite in the presence of Bacillus spp.

被引：4
|
作者：
Zhao, Shuaiwei [1 ]
Wu, Tao [2 ]
Li, Honghui [1 ]
Xu, Minghong [2 ]
Mao, Liang [1 ]
Guo, Yuhua [2 ]
Liu, Yuchen [1 ]
Jia, Meilan [1 ]
机构：
[1] China Inst Radiat Protect, Dept Waste Management, Xuefu 102, Taiyuan 030006, Shanxi, Peoples R China
[2] Huzhou Univ, Dept Engn, Xueshi 1, Huzhou 313000, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2019年 / 320卷 / 01期
基金：
美国国家科学基金会;
关键词：
Diffusion; GMZ bentonite; Selenite; Perrhenate; Bacillus spp; SELENATE-REDUCING BACTERIUM; ANION DIFFUSION; SEDIMENTARY-ROCKS; SOLUBLE SELENIUM; REDUCTION; BEHAVIOR; MONTMORILLONITE; COEFFICIENTS; ADSORPTION; MEGATERIUM;
D O I：
10.1007/s10967-019-06455-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
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 (D-e) and the accessible porosity (epsilon(acc)) of Re(VII), whereas a decrease of D-e and an increase of distribution coefficient (K-d) were observed for Se(IV). Moreover, Archie's law and an exponential decay equation were employed to fit the D-e value of Re(VII) and Se(IV).
引用
收藏
页码：47 / 53
页数：7
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