Process for the electrolytic recovery of gallium and/or alkali m

Details Process for the electrolytic recovery of gallium and/or alkali m Process for the electrolytic recovery of gallium and/or alkali m

1975-09-12

1977-03-15

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 38B, 204125, C25C 122

Patent

active

040122980

ABSTRACT:
A method of electrolytically recovering gallium and/or alkali metals from alkali metal solutions, preferably aluminate (sodium aluminate) liquors from aluminate production in which the gallium or alkali metal is electrolytically deposited on a mercury layer of the thickness of several microns applied to a metallic support which is more electronegative than mercury (preferably copper) by amalgamation or cementation from a mercury salt solution. The deposition of metals is carried out at a temperature below 50.degree. C and the cathode is then treated with a solvent, e.g. mercury or water, to remove the deposited elements.

REFERENCES:
patent: 2793179 (1957-05-01), La Breteque
patent: 3677918 (1922-07-01), Miyake
patent: 3785949 (1974-01-01), Matthey et al.
"Electromotive Series".

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