Fabrication of magnetic functionalized m-carboxyphenyl azo calix[4]arene amine oxime derivatives for highly efficient and selective adsorption of uranium (VI)

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成果类型：

期刊论文

作者：

Xu, Yuli;Zhang, Kang;Wang, Cheng;Zhu, Qiqi;Luo, JiaQi;...

通讯作者：

Peng, Guowen;Xiao, Fangzhu

作者机构：

[Xu, Yuli; Luo, JiaQi; Peng, Guowen] Univ S China, Sch Chem, Chemical Engn, Hengyang, Hunan, People's Republ.

[Xiao, Fangzhu; Zhu, Qiqi] Univ S China, Sch Public Hlth, Hengyang, Hunan, People's Republ.

[Chen, Fang; Zhang, Kang; Peng, Guowen] Univ S China, Sch Resource Environm, Safety Engn, Hengyang, Hunan, People's Republ.

[Xiao, Fangzhu; Peng, Guowen; Xiao, FZ] Univ S China, Hunan Prov Engn Technology Res Ctr Uranium Tailin, Hengyang, Hunan, People's Republ.

[Wang, Cheng] Inst Materials, Acad Engn Phys China, Mianyang, Sichuan, People's Republ.

通讯机构：

[Peng, Guowen; Xiao, FZ; Peng, GW] U

Univ S China, Sch Chem, Chemical Engn, Hengyang, Hunan, People's Republ.

Univ S China, Hunan Prov Engn Technology Res Ctr Uranium Tailin, Hengyang, Hunan, People's Republ.

语种：

英文

关键词：

Carboxylation;Amine oxime;Magnetic functionalization;Calix[4]arene;Uranium

期刊：

Journal of Radioanalytical and Nuclear Chemistry

ISSN：

0236-5731

年：

2020

卷：

323

期：

页码：

1145-1155

DOI：

10.1007/s10967-020-07029-4

基金类别：

National Natural Science Foundation of China#&#&#11705085 National Natural Science Foundation of China#&#&#51574152

机构署名：

本校为第一且通讯机构

院系归属：

化学化工学院

公共卫生学院

摘要：

A novel material called m-carboxyphenyl azo calix[4]arene amine oxime derivatives (M-CCAOD) was synthesized by diazotization-coupling reaction and substitution reaction. Then the composite consisting of Fe3O4 and M-CCAOD was prepared through a facile self-assembly method. The as-synthesized Fe3O4/M-CCAOD composite was used to remove U(VI) from aqueous solutions under different conditions. The calculated data indicate that the adsorption process of uranium by Fe3O4/M-CCAOD is an exothermic spontaneous process, which well fits with the pseudo-second-order and Freundlich model. More significantly...

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Fabrication of magnetic functionalized m-carboxyphenyl azo calix[4]arene amine oxime derivatives for highly efficient and selective adsorption of uranium (VI)

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