Patent ID: 6175051
Filing Date: 2001-01-16
Classification: C01D,C22B,G21F,Y02P

Abstract:
A method for deactivating liquid alkali metal coolant and/or alkaline earth metal coolant removed from a nuclear reactor system, the method comprising the steps of:a) mixing an ammoniacal liquid with a liquid alkali metal coolant and/or alkaline earth metal coolant removed from a nuclear reactor coolant system in a reaction vessel to form a reaction mixture containing solvated electrons and alkali and/or alkaline earth metal cations;b) introducing a precipitating agent to the reaction mixture of step (a) to form a precipitating alkali metal salt and/or alkaline earth metal salt; andc) separating the alkali and/or alkaline earth metal salts from the ammoniacal liquid for disposal and/or further treatment.