A method for the digestion of a uranium-based material

Cea, Andrew Ken;Host, Valery;Leenaers, Aan;Wylock, Christophe;Pardoen, Thomas;et.al.
(2020)

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Authors
  • Cea, Andrew KenUCLouvain
    Inventor
  • Host, ValeryInstitut National des Radioéléments
    Inventor
  • Leenaers, Aan
    Inventor
  • Wylock, ChristopheInstitut National des Radioéléments
    Inventor
  • Pardoen, ThomasUCLouvain
    Inventor
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Abstract
The present invention relates to a method for at least partially digesting uranium (U)-based target material which comprises at least one uranium- metal (U-Me) alloy containing Mn, Fe, Co or Ni and comprising at least a U6Me phase. By means of an accelerant in a basic solution, the uranium in U-Me alloy oxidizes to U(VI). The accelerant comprises in particular KMnO4 whilst the U- Me alloy comprises a U-Mn alloy. The alloy preferably comprises two phases of an eutectic system, in particular the U6Mn/Umn2 system. The use of the accelerant enables an enhanced digestion of the U-Me alloy.
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Cea, A. K., Host, V., Leenaers, A., Wylock, C., Van den Berghe, S., & Pardoen, T. (2020). A method for the digestion of a uranium-based material (Patent No. PCT/EP2021/053238). https://hdl.handle.net/2078.5/238640