Generation of halogens by electrolysis of hydrogen halides in a

Details Generation of halogens by electrolysis of hydrogen halides in a Generation of halogens by electrolysis of hydrogen halides in a

1978-07-06

1980-07-01

Edmundson, F. C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 98, 204128, 204282, 204283, 204296, C25B 134, C25B 146, C25B 1102, C25B 1300

Patent

active

042105013

ABSTRACT:
A halogen such as chlorine is produced by the electrolysis of an aqueous solution of a hydrogen halide such as hydrochloric acid in an electrolysis cell having anolyte and catholyte chambers separated by a solid polymer electrolyte in the form of a stable, selectively permeable, hydrated ion exchange membrane. Catalytic electrodes in the form of fluorocarbon bonded, thermally stabilized, reduced oxides of platinum group metals are bonded to at least one surface of the membrane and an aqueous hydrochloric acid solution is brought in contact with the bonded anode to generate chlorine at the anode and hydrogen at the cathode.

REFERENCES:
patent: 3236756 (1966-02-01), Beer
patent: 3291708 (1966-12-01), Juda
patent: 3528858 (1970-09-01), Hodgdon et al.
patent: 3857737 (1974-12-01), Kemp et al.
patent: 4017663 (1977-04-01), Breault
patent: 4043933 (1977-08-01), Breault et al.
patent: 4057479 (1977-11-01), Campbell

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