Method of electrolysis

Details Method of electrolysis Method of electrolysis

1977-07-11

1978-08-08

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, 204129, C25B 116, C25B 126, C25B 102

Patent

active

041055160

ABSTRACT:
Disclosed is a method of electrolyzing alkali metal chloride brines by passing an electrical current from an anode in an aqueous alkali metal chloride anolyte liquor through a permeable barrier to a cathode in an aqueous catholyte liquor, whereby to evolve chlorine at the anode and hydrogen at the cathode. Also disclosed is the addition of a compound of an electrolytic hydrogen evolution catalyzing transition metal to the catholyte liquor while passing electrical current from the anode to the cathode. The addition of the compound of the transition metal through the catholyte liquor causes a reduction in the cell voltage.

REFERENCES:
patent: 2823177 (1958-02-01), Osborne
patent: 2982608 (1961-05-01), Clement
patent: 3124520 (1964-03-01), Juda
patent: 3214362 (1965-10-01), Juda
patent: 3630863 (1971-12-01), Jeffery et al.
patent: 3756930 (1973-09-01), Weiss et al.
patent: 4033837 (1977-07-01), Kuo et al.
patent: 4040932 (1977-08-01), Cotton
Encyclopedia of Chem. Tech., 2nd Ed., Kirk-Othmer, 1967, p. 232.

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