Electrochemical process for producing chloric acid - alkali...

Details Electrochemical process for producing chloric acid - alkali... Electrochemical process for producing chloric acid - alkali...

C - Chemistry, Metallurgy

09

K

C09K 3/00 (2006.01) B01J 19/00 (2006.01) B01J 19/24 (2006.01) C01B 11/02 (2006.01) C25B 1/00 (2006.01) C25B 1/26 (2006.01)

Patent

CA 2074082

2074082 9112356 PCTABS00006 An aqueous solution of chloric acid and alkali metal chlorate is produced in an electrolytic cell (4) having an anode compartment (10), a cathode compartment (30), and at least one ion exchange compartment (20) between the anode compartment (10) and the cathode compartment (30). The process comprises feeding an aqueous solution of an alkali metal chlorate to the ion exchange compartment (20), electrolyzing an anolyte (12) in the anode compartment (10) to generate hydrogen ions, passing the hydrogen ions from the anode compartment (10) through a cation exchange membrane (16) into the ion exchange compartment (20) to displace alkali metal ions and produce an aqueous solution of chloric acid and alkali metal chlorate, and passing alkali metal ions from the ion exchange compartment (20) into the cathode compartment (30).

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