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具有定制螯合位点的坚固共价有机框架，用于从高酸性放射性废物中协同捕获U(vi)离子。

Robust covalent organic frameworks with tailor-made chelating sites for synergistic capture of U(vi) ions from highly acidic radioactive waste.

作者信息

Yu Jipan, Lan Jianhui, Wang Shuai, Zhang Pengcheng, Liu Kang, Yuan Liyong, Chai Zhifang, Shi Weiqun

机构信息

Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.

出版信息

Dalton Trans. 2021 Mar 21;50(11):3792-3796. doi: 10.1039/d1dt00186h. Epub 2021 Mar 11.

DOI:10.1039/d1dt00186h
PMID:33704327
Abstract

A synergistic strategy for enhancing U(vi) capture under highly acidic conditions (2 M HNO) by radiation resistant phosphonate-functionalized two-dimensional covalent organic frameworks with tailor-made binding sites bearing a strong affinity was described. The combination of the radiation resistant characteristic with a strong acid-resistant property endows COFs with practical capabilities for actinide capture from real radioactive liquid waste.

摘要

描述了一种协同策略，用于在高酸性条件（2 M HNO₃）下通过具有定制结合位点且具有强亲和力的耐辐射膦酸酯功能化二维共价有机框架增强U(VI)捕获。耐辐射特性与强酸抗性的结合赋予共价有机框架从实际放射性废液中捕获锕系元素的实际能力。

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