Process for producing gallium-containing solution from aluminum

Details Process for producing gallium-containing solution from aluminum Process for producing gallium-containing solution from aluminum

1987-05-07

1988-02-16

Stoll, Robert L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423132, 75 25, 75 63, 75101R, 75114, 75115, 75121, C01G 1500

Patent

active

047254149

ABSTRACT:
5 to 50 wt. % of an alkaline flux such as sodium carbonate, sodium hydroxide, potassium carbonate and potassium hydroxide is added and mixed to aluminum smelting dust. The mixture is roasted, the roasted mixture is acid-leached with mineral acids such as sulfuric acid, hydrochloric acid and nitric acid, and then gallium is preferentially extracted at a high yield compared to other components of the dust.

REFERENCES:
patent: 4252777 (1981-02-01), McDowell et al.

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