Synergistic and sustainable treatment of uranium-containing wastewater by the photoelectrochemical system with an oxygen-vacancy enriched cobalt oxide cathode

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成果类型：

期刊论文

作者：

Zhang, Qingyan;Xie, Chao;Wang, Jiachen*;Zeng, Qingming;Zhang, Yaqian;...

通讯作者：

Wang, Jiachen;Zeng, QY

作者机构：

[Zeng, Qingyi; Zhang, Qingyan; Xie, Chao; Wang, Jiachen; Tang, Guolong; Zhang, Yaqian; Zeng, Qingming] Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.

[Xie, Chao] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Hunan, Peoples R China.

[Liu, Yilin] Univ South China, Sch Mech Engn, Hengyang 421001, Hunan, Peoples R China.

[Tang, Guolong] Qingdao Qiushi Coll, Sch Mech & Elect Engn, Qingdao 266108, Shandong, Peoples R China.

通讯机构：

[Zeng, QY ; Wang, JC] U

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

语种：

英文

关键词：

Uranium reduction;Cobalt oxides;Oxygen vacancies;Recovery of uranium;Radioactive wastewater

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2025

卷：

514

页码：

163253

DOI：

10.1016/j.cej.2025.163253

基金类别：

CRediT authorship contribution statement Qingyan Zhang: Writing – original draft, Visualization, Methodology, Formal analysis, Data curation. Chao Xie: Writing – original draft, Formal analysis, Data curation. Jiachen Wang: Writing – review & editing, Supervision. Qingming Zeng: Formal analysis. Yaqian Zhang: Visualization, Formal analysis. Yilin Liu: Supervision. Guolong Tang: Data curation. Qingyi Zeng: Writing – review & editing, Supervision, acquisition, Conceptualization.

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

核科学技术学院

摘要：

As the primary uranium species in aquatic systems, uranyl ions (UO 2 2+ ) readily form stable coordination complexes with organic contaminants, severely compromising the recovery and utilization of uranium. To address this challenge, we developed a novel photoelectrochemical (PEC) system featuring oxygen-vacancy-enriched cobalt oxide-modified carbon felt (OvCoO x /CF) as a functional cathode. In this PEC system, the photoanode is photoexcited to generate holes (h + ) and hydroxyl radicals (•OH) efficiently decomposing organic substances, there...

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Synergistic and sustainable treatment of uranium-containing wastewater by the photoelectrochemical system with an oxygen-vacancy enriched cobalt oxide cathode

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