Electrolytic process for producing potassium hydroxide

Details Electrolytic process for producing potassium hydroxide Electrolytic process for producing potassium hydroxide

1979-06-01

1981-03-03

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, 204129, 204296, C25B 134, C25B 102, C25B 1302, C25B 1308

Patent

active

042539234

ABSTRACT:
Current efficiency in an electrolytic membrane cell for the production of concentrated potassium hydroxide is considerably increased by employing in the electrolytic membrane cell a membrane selected from a group consisting of an amine modified perfluorosulfonic acid membrane such as a primary amine, diamine, or polyamine modified perfluorosulfonic acid membrane, and a laminated perfluorosulfonic acid acid membrane, and a laminated perfluorosulfonic acid membrane comprised of at least two unmodified perfluorosulfonic acid membranes of different thickness and different equivalent weight.

REFERENCES:
patent: 3770567 (1973-11-01), Grot
patent: 3976549 (1976-08-01), Falvo
patent: 4062743 (1977-12-01), Ahn et al.
patent: 4085071 (1978-04-01), Resnick et al.
Webster's 7th New Collegiate Dictionary, 1967, p. 473.

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