Novel graphene oxide/bentonite composite for uranium(VI) adsorption from aqueous solution

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成果类型：

期刊论文

作者：

Liu, Hongjuan*;Xie, Shuibo*;Liao, Ju;Yan, Tianrun;Liu, Yingjiu;...

通讯作者：

Liu, Hongjuan;Xie, Shuibo

作者机构：

[Liu, Hongjuan; Liao, Ju; Yan, Tianrun] Univ South China, Inst Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Xie, Shuibo] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.

[Xie, Shuibo; Liu, Yingjiu] Univ South China, Hunan Prov Key Lab Pollut Control & Resources Reu, Hengyang 421001, Peoples R China.

[Tang, Xinhai] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China.

通讯机构：

[Liu, Hongjuan; Xie, Shuibo] U

Univ South China, Inst Nucl Sci & Technol, Hengyang 421001, Peoples R China.

Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.

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

语种：

英文

关键词：

adsorbent;bentonite;bentonite graphene oxide composite;graphene oxide;unclassified drug;uranium;adsorption;adsorption kinetics;aqueous solution;Article;controlled study;cross linking;energy dispersive X ray spectroscopy;Fourier transform infrared spectroscopy;heavy metal removal;ionic strength;isotherm;pH;scanning electron microscopy;structure analysis;surface area;temperature;thermodynamics;thermogravimetry;waste water management;X ray diffraction

期刊：

Journal of Radioanalytical and Nuclear Chemistry

ISSN：

0236-5731

年：

2018

卷：

317

期：

页码：

1349-1360

DOI：

10.1007/s10967-018-5992-0

基金类别：

This work was jointly funded by the National Natural Science Foundation of China (Grant No. 11475080), Hunan Natural Science Foundation (Grant No. 2018JJ3420), Graduate Student Research Innovation Project of Hunan Province (Grant No. CX2016B427), and General Program of the Hunan Provincial Education Department (Grant No. 15C1178), Research Learning and Innovative Experimental Plan for College students (Grant No. 2017XJXZ012).

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

核科学技术学院

核资源工程学院

摘要：

A novel graphene oxide/bentonite composite (GO/bentonite) was synthesized and then characterized through powder X-ray diffraction, fourier transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, and energy dispersive spectroscopy. Adsorption achieved equilibrium within 10min. Moreover, U(VI) adsorption on GO/bentonite was highly dependent on solution pH and independent of ionic strength. These characteristics suggested that inner-sphere surface complexes of U(VI) formed on GO/bentonite. The adsorption of U(VI)...

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Novel graphene oxide/bentonite composite for uranium(VI) adsorption from aqueous solution

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