Process for electrolysis of sodium chloride

Details Process for electrolysis of sodium chloride Process for electrolysis of sodium chloride

C - Chemistry, Metallurgy

25

B

204/202, 204/52.

C25B 1/46 (2006.01) C08J 5/22 (2006.01) C25B 13/08 (2006.01)

Patent

CA 1115655

ABSTRACT OF THE DISCLOSURE A process for the electrolysis of an aqueous sodium chloride solution which comprises passing an electric current through said solution in an electrolytic cell separated into an anode chamber and a cathode chamber by a cation exchange membrane consisting essentially of one or more perfluorocarbon polymers such as to provide the membrane with both carboxylic acid and sulfonic acid groups, the ion exchange capacity being from 0.5 to 4.0 milliequivalents per gram of dry resin, and the ratio of carboxylic acid groups to sulfonic acid groups being in the rang of from 1:100 to 100:1.

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