Process for the electroextraction of zinc

Details Process for the electroextraction of zinc Process for the electroextraction of zinc

1992-01-02

1993-03-16

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25C 116

Patent

active

051941252

ABSTRACT:
To stabilize the conditions of electroextraction of zinc in an acidic medium and in the presence of metal impurities, there is added to the electrolyte a surface-active compound comprising a perfluoroalkyl grouping linked to a polyoxyethylene, amine-oxide or betaine hydrophilic grouping.

REFERENCES:
patent: 4040916 (1977-08-01), Will et al.
patent: 4384930 (1983-05-01), Eckles
"Electrowinning of zinc at highcurrent densities", S. I. Karaivanov, et al., Chemical Abstracts, vol. 106, Jun. 5, 1987, p. 206.
"Electrolytic Production of Zinc at Increased Current Densities", S. I. Karaivanov, et al., English Translation of Chemical Abstract Art.
Derwent Publications, Ltd., Database WPI, No. 78-14683.

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