Dissolution of uranium dioxide in supercritical fluid carbon dioxide

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2001Publisher:Royal Society of Chemistry (RSC)Journal:Chemical Communications (issn: 1359-7345, eissn: 1364-548X,

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Authors: M D, Samsonov; C M, Wai; S C, Lee; Y, Kulyako; N G, Smart;

doi: 10.1039/b103468p

pmid: 12240354

Dissolution of uranium dioxide in supercritical fluid carbon dioxide

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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.

Related Organizations

V.I. Vernadsky Institute of Geochemistry and Analytical Chemistry
Russian Federation
University of Idaho
United States
Russian Academy of Sciences
Russian Federation

2 Research products, page 1 of 1

Study on Properties of TBP‐HNO₃ Complex Used for Direct Dissolution of Lanthanide and Actinide Oxides in Supercritical Fluid CO₂
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Dissolution Extraction of Uranium Oxides and Cerium Oxide with TBP-HNO3 Complex in Supercritical CO2
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