C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/34 (2006.01) C07C 319/20 (2006.01) C22B 3/26 (2006.01) G21C 19/46 (2006.01) C07C 321/14 (2006.01)
Patent
CA 2042428
DESCRIPTIVE ABSTRACT The invention relates to the use of thioether ligands in accord- ance with the formula: Image (I) or Image (II) in which R1 and R2, which can be the same or different, represent alkyl radicals, R3 is an alkyl radical and A represents a divalent radical chosen from among the radicals of formula: -(CH2)m- -(CH2)n-X-(CH2)p, -CH- R3 in which m is equal to 0 or is an integer from 1 to 6, n and p are integers between 1 and 6 and X represents 0 or S, for recovering the palladium present in a nitric aqueous solution (A0) for dissolving irradiated nuclear fuel elements. For example, it is possible to use the ligand of formula (I) with A representing CH2 - S - CH2 and R1 and R2 representing C10 H21. B 10395 MDT
Chomel Rodolphe
Draye Micheline
Foos Jacques
Guy Alain
Guyon Vincent
Chomel Rodolphe
Cogema - Compagnie Generale Des Matieres Nucleaires
Draye Micheline
Foos Jacques
Goudreau Gage Dubuc
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