Method of extracting gallium

Details Method of extracting gallium Method of extracting gallium

1974-07-19

1976-01-13

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

75 93R, 75 94, 75 63, 75 64, C25C 122, C22B 2508

Patent

active

039322300

ABSTRACT:
A method of removing gallium from tin, lead or tin-lead alloy in which the molten metal containing gallium is treated with a molten flux of alkali metal hydroxide, alkali metal carbonate or a mixture of such constituents where the alkali metal is lithium, sodium, potassium or a mixture of these. Preferably the metal and flux are stirred together, then separated, and the flux dissolved in water and gallium recovered from the solution by electrolysis.

REFERENCES:
patent: 1855455 (1932-04-01), McCutcheon
patent: 2150353 (1939-03-01), Behr
Periodic Table of the Elements.

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