Novel mesoporous silicas bearing phosphine oxide ligands with different alkyl chains for the binding of uranium in strong HNO3 media

Wen Zhang; Gang Ye; Jing Chen

doi:10.1039/C3TA13028B

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Novel mesoporous silicas bearing phosphine oxide ligands with different alkyl chains for the binding of uranium in strong HNO₃ media†

Wen Zhang,^a Gang Ye*^a and Jing Chen*^a

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* Corresponding authors

^a Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, China
E-mail: Jingxia@tsinghua.edu.cn, yegang@tsinghua.edu.cn
Fax: +86 10 6277 1740
Tel: +86 10 8979 6063

Abstract

A new class of mesoporous silicas functionalized with varieties of alkylphosphine oxide ligands was developed via the post-derivatization of a vinyl-anchored precursor. The mesoporous silicas showed effective adsorption towards uranium in strong HNO₃ solutions, which is of importance for the uranium recovery in radioactive liquid waste (RLW).

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Article information

DOI: https://doi.org/10.1039/C3TA13028B
Article type: Communication
Submitted: 02 Aug 2013
Accepted: 02 Sep 2013
First published: 02 Sep 2013

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J. Mater. Chem. A, 2013,1, 12706-12709

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Novel mesoporous silicas bearing phosphine oxide ligands with different alkyl chains for the binding of uranium in strong HNO₃ media

W. Zhang, G. Ye and J. Chen, J. Mater. Chem. A, 2013, 1, 12706 DOI: 10.1039/C3TA13028B

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Journal of Materials Chemistry A