C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 11/00 (2006.01) C22B 11/02 (2006.01) C22B 61/00 (2006.01) G21C 19/48 (2006.01)
Patent
CA 2090810
DESCRIPTIVE ABSTRACT The invention relates to a process for trapping gaseous ruthenium on polyvinyl pyridine, more particularly usable for recovering radioactive ruthenium from irradiated nuclear fuels. This process consists of contacting a gas containing ruthenium in gaseous form with an adsorbent (11b) constituted by a vinyl pyridine polymer or copolymer for fixing the ruthenium to the latter. The gas can be constituted by vapours from a concentrate of fission products containing ruthenium, which has been heated (at 31) in the presence of an oxidizing agent for volatilizing the ruthenium. (Fig. 1) B. 10821 MDT
Chomel Rodolph
Deloge Andre
Doutreluingne Pierre
Draye Micheline
Foos Jacques
Compagnie Generale Des Matieres Nucleaires
Goudreau Gage Dubuc
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