Process for producing alkali metal hydroxide

Details Process for producing alkali metal hydroxide Process for producing alkali metal hydroxide

1981-04-10

1983-01-04

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, C25B 134

Patent

active

043671268

ABSTRACT:
An alkali metal hydroxide is produced by electrolyzing an aqueous solution of an alkali metal chloride fed into an anode compartment in a cell having an anode compartment and a cathode compartment formed by partitioning with a cation exchange membrane. A cation exchange membrane of a fluorinated polymer having carboxylic acid groups at a content of 0.9 to 2.0 meq./g. dry resin is used as said cation exchange membrane and a metal or a metal ion is incorporated in said aqueous solution of an alkali metal chloride to form a thin layer made of a metal hydroxide or oxide on the surface of said membrane in the anode compartment.

REFERENCES:
patent: 3793163 (1974-02-01), Dotson
patent: 4065366 (1977-12-01), Oda et al.

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