Constructing Ce–OH groups on CeO2 for enhancing removal and recovery of uranium from wastewater and seawater

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成果类型：

期刊论文

作者：

Linxin Zheng;Ningchao Zheng*;Zhizeng Pan;Guang Gao;Chao He;...

通讯作者：

Ningchao Zheng

作者机构：

[Xinran Mou; Zhizeng Pan; Linxin Zheng; Shunyan Ning; Yuezhou Wei; Mohammed F. Hamza; Xiangbiao Yin] School of Nuclear Science and Technology, Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, University of South China, 28 Changsheng West Road, Hengyang, 421001, PR China

[Ningchao Zheng] School of Nuclear Science and Technology, Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, University of South China, 28 Changsheng West Road, Hengyang, 421001, PR China. Electronic address: 2023002067@usc.edu.cn

[Chao He; Guang Gao] Hengyang Jinzeli Special Alloy Co., Ltd., 2 Changtang Road, Hengyang, 421001, PR China

通讯机构：

[Ningchao Zheng] S

School of Nuclear Science and Technology, Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, University of South China, 28 Changsheng West Road, Hengyang, 421001, PR China

语种：

英文

关键词：

CeO(2);Deprotonation;Recovery;Removal;Uranium

期刊：

Chemosphere

ISSN：

0045-6535

年：

2024

卷：

366

页码：

143481

DOI：

10.1016/j.chemosphere.2024.143481

基金类别：

CRediT authorship contribution statement Linxin Zheng: Writing – original draft, Software, Methodology, Investigation, Data curation, Conceptualization. Ningchao Zheng: Writing – review & editing, Supervision, Methodology, acquisition, Formal analysis, Data curation, Conceptualization. Zhizeng Pan: Software, Investigation. Guang Gao: Investigation, Conceptualization. Chao He: Investigation, Conceptualization. Xinran Mou: Data curation. Xiangbiao Yin: Supervision, Methodology. Shunyan Ning: acquisition. Mohammed F.

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：

Efficient recovery of uranium from wastewater and seawater provides an important guarantee for the sustainable growth of nuclear energy. Herein, we skillfully use the alkali etching method to construct CeO(2) hollow spheres rich in Ce-OH groups for the removal and recovery of uranium from water matrixes. It is found that the CeO(2) exhibits fast adsorption kinetics (equilibrium time within 10min) and moderate adsorption capacity (143.1mg/g), and the removal efficiency of low concentration uranium (0.1g/L and 1g/L) reaches 100% within 1min of adsorption. Moreover, the adsorption of uranium by C...

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Constructing Ce–OH groups on CeO2 for enhancing removal and recovery of uranium from wastewater and seawater

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