Recovery of gallium/rare earth values from oxide mixtures thereo

Details Recovery of gallium/rare earth values from oxide mixtures thereo Recovery of gallium/rare earth values from oxide mixtures thereo

1985-09-05

1990-05-22

Stoll, Robert L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Rare earth metal

423112, 423DIG14, C01F 1700

Patent

active

049276093

ABSTRACT:
Gallium and rare earth values are recovered from oxide mixtures thereof by acidulating/dissolving such admixtures in an acid medium, and then liquid/liquid extracting the resulting solution and ultimately recovering said values from the phases which separate. The subject process is advantageously applied, for example, to the recovery of gallium and gadolinium from the waste fines resulting from the production of the garnets Gd.sub.3 Ga.sub.5 O.sub.12.

REFERENCES:
patent: 3575687 (1971-04-01), Drobnick et al.
patent: 3582263 (1971-06-01), Chiola et al.
patent: 4029733 (1977-06-01), Faugeras et al.
patent: 4041125 (1977-08-01), Alstad et al.
Habashi, F. "Principles of Extractive Metallurgy", vol. 2, Gordon and Bresch, N.Y., 1970, pp. 347-370 and 385-388.

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