Process for the conditioning of contaminated waste,...

Details Process for the conditioning of contaminated waste,... Process for the conditioning of contaminated waste,...

G - Physics

21

F

31/89

G21F 9/34 (2006.01) G21F 9/30 (2006.01)

Patent

CA 1220936

22 ABSTRACT OF THE DISCLOSURE Process for the conditioning of waste, such as radioactive or toxic waste, whose acidity can inhibit polymerization reactions, e.g. waste containing cation exchange materials. This process consists of incorporating the waste into a liquid epoxy resin at ambient temperature and then bringing about the polymerization of the resin by means of a hardener, in order to obtain a solid block. A hardener containing at least one compound having at least one NH2 group in an adequate quantity for blocking the active sites of the cation exchange materials present in the waste or for neutralizing the acidity of the humid waste and for polymerizing the epoxy resin is used. This process can be more particularly used for conditioning resin beds used for the purification of the water of nuclear power sta- tions.

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