Regeneration of plastic diaphragm

Details Regeneration of plastic diaphragm Regeneration of plastic diaphragm

1997-06-16

1998-05-26

Phasge, Arun S.

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing inorganic compound

204282, 134 3, 134 28, 134 42, C25B 1500, C25B 1120

Patent

active

057559511

ABSTRACT:
A process for the regeneration of plastic diaphragms is described, in which a mineral acid solution is mixed with a suitable corrosion inhibitor, this mixture is temperature controlled at from approximately 0.degree. to 100.degree. C., preferably 40.degree. to 80.degree. C., in particular 50.degree. to 70.degree. C., and passed through the diaphragm for from approximately 0.1 to 84 hours, preferably 1 to 72 hours, in particular 2 to 24 hours.

REFERENCES:
patent: 1309214 (1919-07-01), Moore
patent: 3930979 (1976-01-01), Vallance
patent: 3988223 (1976-10-01), Hirozawa
patent: 4174269 (1979-11-01), Carlin et al.
patent: 4204921 (1980-05-01), Britton et al.
patent: 4381230 (1983-04-01), Burney, Jr. et al.
patent: 5133843 (1992-07-01), Eisman
patent: 5498321 (1996-03-01), Arnold et al.

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