Graphene oxide wrapped Cu-MOF as an efficient adsorbent for uranium extraction from aqueous solution

被引：0

作者：

Jinlu Chen

Xuan Yang

Lianyun Wang

Xiaoli Chen

Zui Tao

Songbo Tan

Fangzhu Xiao

Guowen Peng

机构：

[1] University of South China,School of Chemistry and Chemical Engineering

[2] University of South China,School of Resources Environment and Safety Engineering

[3] University of South China,School of Public Health

[4] University of South China,Hunan Engineering Research Center for the Safety Control and Recycling of Radioactive Heavy Metal Pollutants

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2024年 / 333卷

关键词：

Cu-BTC; GO; Metal–organic frameworks (MOFs); Uranium adsorption;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A hydrothermal and ethanol activation method is proposed to synthesize Cu-BTC and graphite oxide composites (Cu-BTC/GO). The uranium dynamic adsorption behavior was investigated by varying the addition of graphene oxide. The result showed that Langmuir isotherm and quasi-secondary kinetic model (R2 > 0.99) were more consistent with the adsorption process of uranium (VI) on this composite, and the maximum uranium adsorption was 150.50 mg g−1. The thermodynamic parameters indicated that this adsorption process was spontaneous and endothermic. After five adsorption–desorption cycles, the adsorption efficiency can still reach 76.6–78.9%. This study will help to draw a promising roadmap to describe the adsorption performance of Cu-BTC/GO composites for uranium.

引用

页码：263 / 279

页数：16

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