Preparation of Polyamidoxime/Magnetic Graphene Oxide Composite and Its Application for Efficient Extraction of Uranium(VI) from Aqueous Solutions in an Ultrasonic Field

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Dai, Zhongran;Zhang, Hui;Sui, Yang;Ding, Dexin*;Li, Le

通讯作者：

Ding, Dexin

作者机构：

[Ding, Dexin; Zhang, Hui; Li, Le; Dai, Zhongran] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.

[Sui, Yang] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Sui, Yang] Fujian Fuqing Nucl Power Co Ltd, Fuqing 350300, Peoples R China.

通讯机构：

[Ding, Dexin] U

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

语种：

英文

关键词：

Adsorption;Binding energy;Chemicals removal (water treatment);Extraction;Free radical polymerization;Graphene;Radioactive wastes;Radioactivity;Solutions;Uranium metallurgy;Adsorption equilibria;Adsorption kinetics and isotherm;Adsorption performance;Endothermic process;Pseudo second order;Radioactive wastewater;Reversible addition-fragmentation chain transfer polymerization;Thermodynamic parameter;Uranium compounds

期刊：

Journal of Chemical and Engineering Data

ISSN：

0021-9568

年：

2018

卷：

期：

页码：

4215-4225

DOI：

10.1021/acs.jced.8b00703

基金类别：

*E-mail: dingdxzzz@163.com. ORCID Dexin Ding: 0000-0002-7304-4376 Funding This work was supported by the National Natural Science Foundation of China (U1401321 and 51704170), the Natural Science Foundation of Hunan Province (2018JJ3423), and the Postdoctoral Science Foundation of China (2017M612569). Notes The authors declare no competing financial interest. This work was supported by the National Natural Science Foundation of China (U1401321 and 51704170), the Natural Science Foundation of Hunan Province (2018JJ3423) and the Postdoctoral Science Foundation of China (2017M612569).

机构署名：

本校为第一且通讯机构

院系归属：

核资源工程学院

环境与安全工程学院

摘要：

In this work, the polyamidoxime functionalized magnetic graphene oxide (mGO-PAO) was prepared via the surface-initiated reversible addition-fragmentation chain transfer (RAFT) polymerization, characterized by TEM, FT-IR, VSM, and TGA techniques, and applied for the extraction of uranium(VI) from aqueous solutions in an ultrasonic field. The effects of pH, contact time, initial uranium(VI) concentration, temperature, and competitive ions on the adsorption of U(VI) were investigated. The adsorption speed of mGO-PAO for U(VI) was found to be 18 ti...

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Preparation of Polyamidoxime/Magnetic Graphene Oxide Composite and Its Application for Efficient Extraction of Uranium(VI) from Aqueous Solutions in an Ultrasonic Field

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