Method of treating asbestos diaphragms for electrolytic cells

Details Method of treating asbestos diaphragms for electrolytic cells Method of treating asbestos diaphragms for electrolytic cells

1978-07-21

1979-10-02

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

204128, 204295, 428289, 428443, C25B 1306, C25B 116, C25B 126

Patent

active

041697740

ABSTRACT:
Asbestos diaphragms in commercial cells for the electrolysis of brines are treated with a dispersion of an alkaline earth metal-containing silicate. Deposition of the dispersion within the diaphragm results in a decrease in hydrogen concentration in chlorine gas produced as well as an increase in current efficiency.

REFERENCES:
patent: 984915 (1911-02-01), Heltzen
patent: 3374164 (1968-03-01), Balej et al.
patent: 3847762 (1974-11-01), Strain
patent: 3979276 (1976-09-01), Strain
patent: 3991251 (1976-11-01), Foster et al.

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