Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1975-07-03
1976-07-27
Carter, Herbert T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
423181, 75101BE, C01G 1500, C01F 702
Patent
active
039718433
ABSTRACT:
The recovery of gallium present in aqueous solution which may also contain a compound of aluminum and sodium, in which the aqueous solution is contacted with a substituted hydroxyquinoline in solution in an organic solvent immiscible with water and under highly alkaline conditions whereby gallium and sodium and aluminum, when present, go into the organic phase, and in which the gallium can be separated from the sodium and aluminum by contacting the organic phase with a concentrated dilute solution of an inorganic acid to remove sodium and aluminum from the organic phase and then contacting the remaining organic phase with a more concentrated solution of inorganic acid to remove the gallium.
REFERENCES:
patent: 3637711 (1972-01-01), Budde et al.
patent: 3887681 (1975-06-01), De La Breteque et al.
Stany et al., "The Solvent Extraction of Metal Chelates," Pergamon Press, N.Y., 1964, pp. 80-86.
Helgorsky Jacques
Leveque Alain
Carter Herbert T.
Rhone-Poulenc Industries
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