Dissolution of uranium dioxide in supercritical fluid carbon dioxide

Dissolution of uranium dioxide in supercritical fluid carbon dioxide

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 t...

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Veröffentlicht in:Chemical Communications 2001-09, Vol.18 (18), p.1868-1869
Hauptverfasser: Samsonov, M D, Wai, C M, Lee, S C, Kulyako, Y, Smart, N G
Format: Artikel
Sprache:eng
Schlagworte:
CARBON DIOXIDE
DISSOLUTION
ENVIRONMENTAL SCIENCES
RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
URANIUM DIOXIDE
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Zusammenfassung: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.
ISSN:1359-7345
1364-548X
DOI:10.1039/b103468p