Cation exchange membranes

Details Cation exchange membranes Cation exchange membranes

1980-05-16

1982-02-23

Edmundson, F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204282, 204283, C25B 1302, C25B 1308

Patent

active

043167900

ABSTRACT:
A membrane for electrolyzing an alkali metal chloride solution using a finger type electrolytic cell equipped with a cation exchange membrane, wherein areas of said membrane not facing the effective electrolytic surface of the anode have a higher stiffness and a lower anion permeability than the areas of said membrane facing the effective electrolytic surface of the anode, thus reducing the alkali metal chloride content in the alkali metal hydroxide aqueous solution obtained from the cathodic chamber.

REFERENCES:
patent: 4024043 (1977-05-01), Dege et al.
patent: 4083768 (1978-04-01), Lee et al.
patent: 4100113 (1978-07-01), McCain
patent: 4168216 (1979-09-01), Burkhardt et al.
patent: 4169023 (1979-09-01), Sata et al.
patent: 4183793 (1980-01-01), Balko et al.

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