Process for trapping gaseous ruthenium on polyvinyl pyridine, mo

Details Process for trapping gaseous ruthenium on polyvinyl pyridine, mo Process for trapping gaseous ruthenium on polyvinyl pyridine, mo

1993-03-02

1995-05-23

Walsh, Donald P.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 22, C01G 5500

Patent

active

054179424

ABSTRACT:
The invention relates to a process fop 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 yapours 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.

REFERENCES:
patent: 5114473 (1992-05-01), Abatjoglou et al.
patent: 5131943 (1992-07-01), Allison et al.

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