Issue 18, 2001
From the journal:

Chemical Communications

Dissolution of uranium dioxide in supercritical fluid carbon dioxide

M. D. Samsonov,a   C. M. Wai,*a   Su-Chen Lee,a   Yuri Kulyakob  and  N. G. Smartc  

* Corresponding authors

a Department of Chemistry, University of Idaho, Moscow, Idaho, USA

b Laboratory of Radiochemistry, Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia

c Chemical Process Group, BNFL, Cumbria, Sellafield, UK

Abstract

Uranium dioxide can be dissolved in supercritical CO2 with a CO2-philic TBP–HNO3 complexant to form a highly soluble UO2(NO3)2·2TBP complex; this new method of dissolving UO2 that requires no water or organic solvent may have important applications for reprocessing of spent nuclear fuels and for treatment of nuclear wastes.

Graphical abstract: Dissolution of uranium dioxide in supercritical fluid carbon dioxide

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Article information

DOI
https://doi.org/10.1039/B103468P
Article type
Communication
Submitted
18 Apr 2001
Accepted
10 Aug 2001
First published
29 Aug 2001

Chem. Commun., 2001, 1868-1869

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Dissolution of uranium dioxide in supercritical fluid carbon dioxide

M. D. Samsonov, C. M. Wai, S. Lee, Y. Kulyako and N. G. Smart, Chem. Commun., 2001, 1868 DOI: 10.1039/B103468P

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