Synergistic action of multiple functional groups enhanced uranium extraction from seawater of porous phosphorylated chitosan/coal-based activated carbon composite sponge

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成果类型：

期刊论文

作者：

Gan, Jiali;Zhang, Lieyu;Wang, Qingliang;Xin, Qi;Hu, Eming;...

通讯作者：

Wang, Hongqiang(whongq77@126.com)

作者机构：

[Wang, Hongqing; Wang, Qingliang; Gan, Jiali; Xin, Qi; Hu, Eming; Lei, Zhiwu] Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Zhang, Lieyu] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China.

[Wang, Hongqing] Univ South China, Sch Chem & Chem Engn, Hengyang 421001, Peoples R China.

[Wang, Hongqing] East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang 330013, Peoples R China.

通讯机构：

[Hongqiang Wang] S

School of Resource & Environment and Safety Engineering, University of South China, Hengyang 421001, China<&wdkj&>State Key Laboratory of Nuclear Resources and Environment (East China University of Technology), Nanchang 330013, China

语种：

英文

关键词：

Coal-based activated carbon;Seawater;Sponge;Synergistic action;Uranium extraction

期刊：

Desalination

ISSN：

0011-9164

年：

2023

卷：

545

页码：

116154

DOI：

10.1016/j.desal.2022.116154

基金类别：

This work was supported by the Natural Science Foundation of Hunan Province [grant number 2020JJ4518 ], the Key Project of the Education Department of Hunan Province [grant number 18A231 ], and the Open Fund of the State Key Laboratory of Nuclear Resources and Environment [grant number 2020NRE01 ].

机构署名：

本校为第一机构

院系归属：

化学化工学院

摘要：

A new porous phosphorylated chitosan/coal-based activated carbon composite sponge (PPCCS) was designed and synthesized to achieve selective uranium extraction from seawater. The effects of initial pH and initial uranium concentration, adsorption time and temperature, and competitive ions on the adsorption of uranium by PPCCS were studied. The adsorption reaction accords with the pseudo-second-order model and is a spontaneous endothermic reaction. The maximum adsorption capacity of PPCCS for uranium is 639.77 mg g−1 at 308 K and pH = 6. In addi...

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Synergistic action of multiple functional groups enhanced uranium extraction from seawater of porous phosphorylated chitosan/coal-based activated carbon composite sponge

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