Preparation of amidoxime modified imidazole copolymers and the efficient extraction of U(VI) from the alkaline aqueous solution

Fan Wang,Jingbo Zhou,Xinglei Wang,Yiyao Sui, Weitao Fan,Hongxia Zhang

Separation and Purification Technology（2022）

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摘要

•The copolymers with amidoxime and imidazole groups accelerated uranium adsorption.•The copolymers with amidoxime and imidazole groups remarkably enhanced adsorption capacity of U(VI).•The copolymers and U(VI) desorption with Na2CO3 + H2O2 could be reused.•The copolymers have a good selectivity for uranium.

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关键词

Amidoxime,Copolymer,U(VI),Isotherm,Kinetics,Adsorption mechanism

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