Formation of divalent thorium in a medium of fused potassium chloride

Kudyakov, V. Ya.; Smirnov, M.V.; Chukreev, N. Ya.; Posokhin, Yu.V.

doi:10.1007/bf01163524

Cited by 6 publications

(2 citation statements)

References 13 publications

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“…The U(IV)/U(III) ratio evolves due to the fission reaction that can occur for both U(IV) and U(III). As presented in [31,32], the fission reaction mainly leads to the formation of gas, metals, or elements with a valence of (III) as follows: UF 4 + n → MF 3 +gas or metal + ½ F 2 + energy (…”

Section: Addition Of a Redox Systemmentioning

confidence: 99%

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Corrosion Mitigation in Molten Salt Environments

Delpech,

Carrière,

Chmakoff

et al. 2024

Materials

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The aim of this paper is to present methods for corrosion mitigation in molten salt environments. The corrosion of structural materials depends directly on the redox potential of the salt. When the redox potential of the salt is higher than the standard potentials of the elements constituting the structural materials, corrosion occurs. If the reverse is true, no corrosion is observed. Herein, a methodology for calculating the theoretical potential of a molten salt is provided and compared with experimental measurements. Three ways to mitigate corrosion by modifying the salt redox potential are proposed: (i) using a soluble/soluble redox system; (ii) using a potentiostatic method; and (iii) using an amphoteric compound such as UCl3, TiCl2, or TiCl3. Immersion tests were conducted under the above conditions to validate the methodology.

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Section: Addition Of a Redox Systemmentioning

confidence: 99%

“…However, the existence of ThCl 2 is controversial. Some authors have observed a reaction between Th metal and ThCl 4 to form ThCl 2 [32,33]. Others have demonstrated the direct oxidation of Th metal to ThCl 4 [34,35].…”

Section: Addition Of An Amphoteric Compoundmentioning

confidence: 99%