Chemical treatment of aluminum cathodes in zinc electrowinning

Details Chemical treatment of aluminum cathodes in zinc electrowinning Chemical treatment of aluminum cathodes in zinc electrowinning

1990-04-30

1991-05-28

Niebling, John F.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 41, 204114, 156665, 156292, C23G 102

Patent

active

050191721

ABSTRACT:
A chemical treatment of an aluminum cathode used in zinc electrowinning consists of contacting the affected areas of the aluminum cathode or the entire surface of the cathode with a dilute hydrochloric acid aqueous solution.

REFERENCES:
patent: 1255433 (1918-02-01), Laist et al.
patent: 1839488 (1932-01-01), Mason
patent: 2650901 (1953-09-01), van der Horst

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