Method of treating electrodes

Details Method of treating electrodes Method of treating electrodes

1978-06-21

1979-11-13

Edmundson, F. C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412975, 204145R, C25F 106

Patent

active

041742699

ABSTRACT:
Disclosed is a method of cleaning foraminous metal bodies, for example, cathodes, of corrosion products and asbestos. The method is carried out by contacting the body with an aqueous cleaning solution containing an oxidation inhibitor, hydrochloric acid, and a source of hydrofluoric acid. Also disclosed is a method of electrolytically treating the cleaned metal surface with an organic hydroxy phosphonic acid.

REFERENCES:
patent: 2481306 (1949-09-01), Gall et al.
patent: 2714094 (1955-07-01), McNally
patent: 2993862 (1961-07-01), Monroe et al.
patent: 3242062 (1966-03-01), Covington
patent: 3282850 (1966-11-01), Davidowich et al.
patent: 3708014 (1973-01-01), Wally
patent: 3773465 (1973-11-01), Keeney et al.
patent: 3936316 (1976-02-01), Gulla
patent: 4010086 (1977-03-01), Barrett et al.

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