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Chlorination of uranium metal in molten NaCl-CaCl₂ via bubbling HCl

Perhach, Claire and Chamberlain, Jarom and Rood, Nathan and Hamilton, Ethan and Simpson, Michael F. (2022) Chlorination of uranium metal in molten NaCl-CaCl₂ via bubbling HCl. Journal of Radioanalytical and Nuclear Chemistry, 331 (5). pp. 2303-2309. ISSN 0236-5731. doi:10.1007/s10967-022-08279-0.

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Molten chloride salt fast reactors (MCFRs) will require UCl₃ dissolved in molten salt mixtures as fuel for nuclear fission. For infusing the salt with UCl3, bubbling HCl into NaCl-CaCl₂ in contact with U metal was investigated. The reaction was run up to 9 h and yielded U concentration up to 0.652 wt.%. Open circuit potential between a W electrode and Ag/AgCl reference electrode yielded a potential consistent with uranium existing as U(III) in the salt. This demonstrates that HCl can be a very effective chlorinating agent to infuse MCFR fuel with UCl₃ starting from U metal.

Item Type:Article
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URLURL TypeDescription ReadCube access
Perhach, Claire0000-0002-5560-6371
Simpson, Michael F.0000-0001-6520-6913
Additional Information:© Akadémiai Kiadó, Budapest, Hungary 2022. Received: 20 January 2022 / Accepted: 14 March 2022. The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The authors declare the following financial interests/personal relationships which may be considered as potential competing interests.
Subject Keywords:Molten salt reactors · Uranium(III) chloride · NaCl-CaCl₂ eutectic salt · HCl gas
Issue or Number:5
Record Number:CaltechAUTHORS:20220414-27181000
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Official Citation:Perhach, C., Chamberlain, J., Rood, N. et al. Chlorination of uranium metal in molten NaCl-CaCl2 via bubbling HCl. J Radioanal Nucl Chem 331, 2303–2309 (2022).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:114321
Deposited By: George Porter
Deposited On:15 Apr 2022 16:53
Last Modified:17 Jun 2022 17:35

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