Method of concentrating alkali metal hydroxide in hybrid cells h

Details Method of concentrating alkali metal hydroxide in hybrid cells h Method of concentrating alkali metal hydroxide in hybrid cells h

1980-05-13

1981-12-15

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, 204263, 204265, 204266, 204269, 204270, 204DIG4, 429 17, 429 21, 429 34, C25B 134, C25B 500, C25B 900

Patent

active

043057934

ABSTRACT:
Alkali metal hydroxide solutions are purified and concentrated by electrolysis of such solutions in the anode compartment of a hybrid cell comprising an anode compartment and a cathode compartment separated by a cation permeable diffusion barrier. To enable operation, gaseous hydrogen is supplied to the anode, oxygen to the cathode and an aqueous media receptive to alkali metal ions to the cathode compartment. A plurality of the hybrid cells may be operated in hydrodynamic series.

REFERENCES:
patent: 3262868 (1966-07-01), Juda
patent: 3600228 (1971-08-01), La Conti
patent: 4246078 (1981-01-01), Broniewski

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