The effect of fission product elements on the behavior of uranyl species in alkali chloride melts: A contribution towards reprocessing spent oxide fuels / Volkovich V.A., Aleksandrov D.E., Vasin B.D., Maltsev D.S., Griffiths T.R. // ECS Transactions. - 2010. - V. 33, l. 7. - P. 371-379.

ISSN:
19385862
Type:
Conference Paper
Abstract:
The reactions of uranyl(VI) containing chloride melts with molybdenum, niobium, zirconium and palladium were studied using high temperature electronic absorption spectroscopy. Depending on the nature of the added element uranium is reduced to uranyl(V) and uranium(IV) chloro-species and UO2. Palladium, niobium and zirconium can all be removed from a uranyl(VI)-containing melt using molybdenum metal and the melt can then be purified from Mo(III) ions by bubbling Cl2 gas. Such approach can be employed for removal a number of fission product elements from molten chloride baths during reprocessing spent oxide fuels. ©The Electrochemical Society.
Author keywords:
Index keywords:
Alkali chloride melts; Chloride melt; Fission product elements; High-temperature electronics; Molten chlorides; Spent oxide fuels; Absorption spectroscopy; Chlorine; Chlorine compounds; Fission produc
DOI:
10.1149/1.3484795
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Affiliations Department of Rare Metals and Nanomaterials, Ural Federal University, Ekaterinburg, 620002, Russian Federation; Redston Trevor Consulting, Ltd., Leeds, LS17 8RF, United Kingdom
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Correspondence Address Volkovich, V. A.; Department of Rare Metals and Nanomaterials, Ural Federal University, Ekaterinburg, 620002, Russian Federation
Sponsors Physical and Analytical Electrochemistry;Electrodeposition;Energy Technology
Conference name 17th International Symposium on Molten Salts and Ionic Liquids - 218th ECS Meeting
Conference date 10 October 2010 through 15 October 2010
Conference location Las Vegas, NV
Conference code 84199
ISBN 9781566778268
Language of Original Document English
Abbreviated Source Title ECS Transactions
Source Scopus