Migration behavior of Se(IV) and Re(VII) in muscovite for potential application in deep geological nuclear waste repositories

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成果类型：

期刊论文

作者：

Bian, Wenjie;Tang, Deng;Wang, Hai;Zhang, Xu;Yue, Chengtao;...

通讯作者：

Wang, H

作者机构：

[Yue, Chengtao; Tang, Deng; Bian, Wenjie; Zhang, Xu; Wang, Hai; Liu, Longcheng; Meng, Shuo] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Yue, Chengtao; Tang, Deng; Bian, Wenjie; Zhang, Xu; Wang, Hai; Liu, Longcheng; Meng, Shuo] Univ South China, R&D & Modelling Ctr Treatment & Disposal Radioact, Hengyang 421001, Peoples R China.

[Liu, Longcheng] Beijing Res Inst Chem Engn & Met, Beijing 101149, Peoples R China.

[Liu, Longcheng] Royal Inst Technol, Dept Chem Engn & Technol, Teknikringen 42, S-10044 Stockholm, Sweden.

通讯机构：

[Wang, H ] U

Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

Univ South China, R&D & Modelling Ctr Treatment & Disposal Radioact, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Muscovite;Diffusion;pH;Accessible porosity

期刊：

Journal of Radioanalytical and Nuclear Chemistry

ISSN：

0236-5731

年：

2024

页码：

1-12

DOI：

10.1007/s10967-024-09427-4

基金类别：

National Natural Science Foundation of China [12205145]; National Natural Science Foundation of China [2021JJ40457]; Natural Science Foundation of Hunan Province

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

The migration behavior of Se(IV) and Re(VII) in muscovite was studied by capillary diffusion method and diffusion cell method. The results show that diffusion accelerates when the density decreases and the ionic strength increases. At the same time, pH also significantly affects their migration. The apparent diffusion coefficient ranges from 10–11 to 10–9 m/s2. This work can provide potential application...

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Migration behavior of Se(IV) and Re(VII) in muscovite for potential application in deep geological nuclear waste repositories

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