Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 485, Issue -, Pages 90-97Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2016.12.017
Keywords
Pyroprocessing; Electrolytic reduction; Uranium; LiCl; Li2O; Reoxidation
Funding
- National Research Foundation of Korea (NRF) - Korea Government (MISP) [2012M2A8A5025697]
- National Research Foundation of Korea [2012M2A8A5025697] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We present our findings that uranium (U) metal prepared by using the electrolytic reduction process for U oxide (UO2) in a Li2O-LiCl salt can be reoxidized into UO2 through the reaction between the U metal and Li2O in LiCl. Two salt types were used for immersion of the U metal: one was the salt used for electrolytic reduction, and the other was applied to the unused LiCl salts with various concentrations of Li2O and Li metal. Our results revealed that the degree of reoxidation increases with the increasing Li2O concentration in LiCl and that the presence of the Li metal in LiCl suppresses the reoxidation of the U metal. (C) 2016 Elsevier B.V. All rights reserved.
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