Electrokinetic-enhanced sulfuric acid leaching of uranium from sandstone uranium ores

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成果类型：

期刊论文

作者：

Wang, Wenji;Li, Chunguang;Liu, Longcheng;Liu, Zhenzhong;Zhang, Chong;...

通讯作者：

Li, CG

作者机构：

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

[Li, Rubin; Li, Yongmei; Liu, Zhenzhong; Liu, Longcheng; Li, Chunguang; Liu, Qi] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

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

[Liu, Longcheng; Li, Chunguang] China Inst Atom Energy, Beijing 102413, Peoples R China.

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

通讯机构：

[Li, CG ] U

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

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

China Inst Atom Energy, Beijing 102413, Peoples R China.

语种：

英文

关键词：

Electrokinetic;Enhanced;Sandstone uranium ore;Acid leaching

期刊：

Journal of Hydrology

ISSN：

0022-1694

年：

2024

卷：

642

页码：

131869

DOI：

10.1016/j.jhydrol.2024.131869

基金类别：

CRediT authorship contribution statement Wenji Wang: Writing – review & editing, Writing – original draft, Visualization, Validation, Methodology, Data curation. Chunguang Li: Writing – review & editing, Writing – original draft, Visualization, Validation, Supervision, Software, Resources, Project administration, Methodology, Investigation, acquisition, Formal analysis, Data curation, Conceptualization. Longcheng Liu: Writing – review & editing, Software, Conceptualization. Zhenzhong Liu: Writing – review & editing, Project

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：

Solute transport in conventional acid leaching of sandstone uranium ores is limited by diffusion and convection, resulting in extended leaching cycles. This study described an electrokinetic-enhanced method for leaching sandstone uranium ore with sulfuric acid and was intended to investigate the impacts of potential gradients on leaching efficiency. Electrokinetic horizontal column leaching experiments were conducted on sandstone uranium ore. After 20 h of leaching, the uranium leaching efficiencies were 54.90 %, 56.36 %, 68.33 %, and 82.04 % for potential gradients of 0, 0.5, 1.0, and 2.0 V/c...

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Electrokinetic-enhanced sulfuric acid leaching of uranium from sandstone uranium ores

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