Selective diaphragm for electrolysis

Details Selective diaphragm for electrolysis Selective diaphragm for electrolysis

1976-11-17

1979-01-23

Edmundson, F.C.

Chemistry: electrical and wave energy

Processes and products

204252, 204296, C25B 146, C25B 1308, C25B 1302

Patent

active

041359968

ABSTRACT:
A selective composite diaphragm is provided comprising a ion-exchange membrane having at least one microporous layer joined to it, whereby the microporous layer is of high, homogeneous porosity and is preferably at least as thick as the membrane. Said diaphragm is particularly useful for electrolysis of sodium chloride, enabling pure concentrated alkaline solution to be obtained with a high yield.

REFERENCES:
patent: 3562139 (1971-02-01), Leitz
patent: 3799743 (1974-03-01), Alexander et al.
patent: 3887499 (1975-06-01), Hodgdon
patent: 3930979 (1976-01-01), Vallance
patent: 4003818 (1977-01-01), Juillard et al.

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