Process for the electrolytic manufacture of alkali metal sulphid

Details Process for the electrolytic manufacture of alkali metal sulphid Process for the electrolytic manufacture of alkali metal sulphid

1990-02-08

1991-02-12

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204 93, 204128, 204129, 204290F, 204290R, 204291, 204292, 204293, C25B 114

Patent

active

049921487

ABSTRACT:
Process for the manufacture of alkali metal sulphide, in which an electrolysis cell is used in which a membrane which is selectively permeable to cations separates an anode chamber containing an anode from a cathode chamber containing a cathode, an electrolyte containing alkali metal is electrolyzed in the anode chamber and an aqueous solution of alkali metal polysulphide is electrolyzed simultaneously in the cathode chamber.

REFERENCES:
patent: 2227547 (1941-01-01), Lanzetti
patent: 2669542 (1954-02-01), Doolsey
patent: 3864226 (1975-02-01), Spitzer
patent: 4126588 (1978-11-01), Ukihashi et al.
patent: 4248680 (1981-02-01), Carlin et al.
patent: 4331523 (1982-05-01), Kawasaki
Sconce, Chlorine, American Chemical Society, Monograph Series, 1962.
Shih et al, "Electrolytic Recovery of Sulfur and Hydrogen from Basic Sulfide Solution", 104:26189j, 1986.

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