Efficient removal of uranium and sulfate in acid contaminated groundwater by flow electrode capacitive deionization

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成果类型：

期刊论文

作者：

Tang, Zhipeng;Li, Yongmei*;Tan, Kaixuan;Wang, Guohui;Li, Chunguang;...

通讯作者：

Li, Yongmei;Tan, KX

作者机构：

[Li, Yongmei; Tan, Kaixuan; Tang, Zhipeng; Liu, Zhenzhong; Li, YM; Li, Chunguang] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Li, Yongmei; Liu, Zhenzhong; Liu, Longcheng; Li, Chunguang] Univ South China, R&D& Modelling Ctr Treatment & Disposal Radioact W, Hengyang 421001, Peoples R China.

[Wang, Guohui] 404 Co Ltd, CNNC, Lanzhou 735100, Gansu, Peoples R China.

[Liu, Longcheng] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Liu, Longcheng] Royal Inst Technol KTH, Chem Engn, Stockholm, Sweden.

通讯机构：

[Tan, KX ; Li, YM] U

Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

In-situ leaching;Uranium;Sulfate;Contaminated groundwater;Flow electrode capacitive deionization

期刊：

DESALINATION

ISSN：

0011-9164

年：

2025

卷：

594

DOI：

10.1016/j.desal.2024.118304

基金类别：

National Natural Science Foundation of China [52404130, U1703123]; Natural Science Founda-tion of Hunan Province [2023JJ40522]; National Key Technol-ogy Research and Development Program of the Ministry of Science and Technology of China [2023YFB3506703]

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：

In-situ leaching (ISL) causes non-negligible groundwater pollution. It is urgent to remediate the groundwater after ISL activities. In this study, we evaluated the effectiveness of flow electrode capacitive deionization (FCDI) to treat a simulated groundwater, the uranium (U) and SO42- concentration of which are comparable to groundwater in acid in-situ leaching (AISL) uranium mine for the first time. Moreover, the removal mechanism of U and SO42- were investigated in-depth. It is found that the operational mode, applied voltage and initial SO4 2concentration significantly affect the removal o...

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Efficient removal of uranium and sulfate in acid contaminated groundwater by flow electrode capacitive deionization

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