Regeneration of cationic exchange resins exposed to chlorate

Details Regeneration of cationic exchange resins exposed to chlorate Regeneration of cationic exchange resins exposed to chlorate

B - Operations, Transporting

01

J

B01J 49/00 (2006.01)

Patent

CA 2049694

CASE 6304 RDF/sek ABSTRACT OF THE DISCLOSURE REGENERATION OF CATIONIC EXCHANGE COLUMN EXPOSED TO CHLORATE Disclosed is a method of regenerating a cationic exchange resin that has been exposed to chlorate ion. The resin is treated with an acidic regenerating solution that contains sulfite ion in an amount at least stoichiometric with the amount of chlorate remaining on the resin. The resin can either be rinsed with water first and then contacted with an acidic regenerating solution containing sulfite, or the resin can be washed with acidic water containing sulfite ion and then treated with an acidic regenerating solution.

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