Diaphragm for electrolytic production of caustic alkali

Details Diaphragm for electrolytic production of caustic alkali Diaphragm for electrolytic production of caustic alkali

1974-05-30

1977-06-21

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204258, 204266, 204296, C25B 114, C25B 1302

Patent

active

040310000

ABSTRACT:
A diaphragm for electrolytic production of caustic alkali which consists of dual microporous layers provided on the anode and cathode sides, wherein the anode side microporous layer is made of an acid-resistant material 0.01 to 0.3 millimeter thick bored with micropores having a mean diameter of 0.05 to 1.5 microns, and the cathode side microporous layer is formed of an alkali-resistant material 1 to 6 millimeters thick bored with micropores having a diameter of 3 to 100 microns.

REFERENCES:
patent: 2293928 (1942-08-01), Beal
patent: 2987472 (1961-06-01), Kollsman
patent: 3098802 (1963-07-01), Beer
patent: 3147150 (1964-09-01), Mendelsohn et al.
patent: 3214362 (1965-10-01), Juda
patent: 3276598 (1966-10-01), Michaels et al.
patent: 3749655 (1973-07-01), Hodgdon, Jr.
patent: 3775308 (1973-11-01), Yasuda
patent: 3784460 (1974-01-01), Le Bras et al.
patent: 3847762 (1974-11-01), Strain
Pattison, Chem. Engin. News, June 3, 1968, pp. 38-41.

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