Amidoxime modified chitosan/graphene oxide composite for efficient adsorption of U(VI) from aqueous solutions

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成果类型：

期刊论文

作者：

Zhou, Shuai;Xie, Yanxing;Zhu, Feiyu;Gao, Yuanyuan;Liu, Yingjiu;...

通讯作者：

Duan, Yi;Tang, Zhenping

作者机构：

[Zhou, Shuai; Duan, Yi; Liu, Yingjiu] Univ South China, Hunan Prov Key Lab Pollut Control & Resources Reu, Hengyang 421001, Peoples R China.

[Zhou, Shuai; Duan, Yi; Liu, Yingjiu; Xie, Yanxing] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

[Gao, Yuanyuan; Zhu, Feiyu; Tang, Zhenping] Univ South China, Hunan Prov Key Lab Rare Met Minerals Exploitat &, Hengyang 421001, Peoples R China.

通讯机构：

[Duan, Yi; Tang, Zhenping] U

Univ South China, Hunan Prov Key Lab Pollut Control & Resources Reu, Hengyang 421001, Peoples R China.

Univ South China, Hunan Prov Key Lab Rare Met Minerals Exploitat &, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

U(VI);Adsorption;PAO/GO/CS;Density functional theory

期刊：

Journal of Environmental Chemical Engineering

ISSN：

2213-3437

年：

2021

卷：

期：

页码：

106363

DOI：

10.1016/j.jece.2021.106363

基金类别：

CRediT authorship contribution statement Shuai Zhou: Conceptualization, Writing – original draft, Supervision, Resources, acquisition. Yanxing Xie: Investigation, Methodology, Formal analysis, Writing – original draft. Feiyu Zhu: Methodology, Software, Visualization, Writing – review & editing. Yuanyuan Gao: Writing – review & editing. Yingjiu Liu: Methodology, Resources. Zhenping Tang: Conceptualization, Resources, Supervision, Writing – review & editing. Yi Duan: Conceptualization, Writing – review & editing, Supervision.

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

摘要：

Graphene oxide (GO) and its composites are promising candidates for the adsorption of U(VI) in water. Whereas the high hydrophobicity and dispersibility of GO makes it hard to separate from aqueous solutions, and thus greatly restricts its practical application. To address this defect, a novel composite [i.e., poly(amidoxime)/GO/chitosan (PAO/GO/CS)] was prepared. Characterization including Fourier transform infrared spectroscopy, X-ray diffraction, and X-ray photoelectron spectroscopy confirmed that cross-linking reaction between GO and CS may consume oxygen-contained groups of GO. The result...

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Amidoxime modified chitosan/graphene oxide composite for efficient adsorption of U(VI) from aqueous solutions

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