Uranium extraction by a graphene-based asymmetric electrode configuration through combined complexation, electro-adsorption, and photocatalytic reduction

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成果类型：

期刊论文

作者：

Yan, Chuan;Liao, Yun;Shen, ChengJin;Weng, Xiaofang;Lei, Ruilin;...

通讯作者：

Liao, Yun(liaoyun0107@163.com)

作者机构：

[Liao, Chenlin; Yan, Chuan; Zhou, Yuxiang; Wang, Meng] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Hunan, Peoples R China.

[Shen, ChengJin; Weng, Xiaofang; Lei, Ruilin; Liao, Yun] Univ South China, Sch Chem & Chem Engn, Hengyang 421001, Hunan, Peoples R China.

[Liao, Yun] Univ South China, Hunan Key Lab Design & Applicat Actinide Complexes, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Yun Liao; Meng Wang] S

School of Chemistry and Chemical Engineering, University of South China, Hengyang, Hunan 421001, China<&wdkj&>Hunan Key Laboratory for the Design and Application of Actinide Complexes, University of South China, Hengyang, Hunan 421001, China<&wdkj&>School of Nuclear Science and Technology, University of South China, Hengyang, Hunan 421001, China

语种：

英文

关键词：

U(VI);Electro-adsorption;Photocatalytic reduction;Complexation;Graphene

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2023

卷：

461

页码：

142012

DOI：

10.1016/j.cej.2023.142012

基金类别：

National Natural Science Foundation of China [12005095]; Natural Science Foundation of Hunan Province, China [2021JJ40447, 2022JJ30487]; Project of Young Backbone Teacher of Hunan Province, China [221RQG004]; Research and Innovative Experiment Program for College Students in Hunan Province, China [G202110555029, S202210555001, S202210555140]; State Foundation for Studying Abroad [202108430096]; Doctoral Scientific Research Foundation of University of South China [200XQD021]

机构署名：

本校为第一机构

院系归属：

化学化工学院

核科学技术学院

摘要：

Recently, capacitive deionization has become a promising approach for uranium extraction owing to its energy-efficiency and environmental benign. However, the adsorbed charged uranium (VI) (U(VI)) would repulse the incoming U(VI) ions, and might re-enter into solution, vastly impeding the improvement of electro-adsorption performance. Reducing the adsorbed U(VI) ions into U(IV) precipitation is an ideal way to address above issues. Here, a coupling approach of photocatalytic reduction and electro-adsorption (PEA) was proposed. An asymmetric ele...

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Uranium extraction by a graphene-based asymmetric electrode configuration through combined complexation, electro-adsorption, and photocatalytic reduction

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