Process for the recovery of magnesium and/or nickel by liquid-li

Details Process for the recovery of magnesium and/or nickel by liquid-li Process for the recovery of magnesium and/or nickel by liquid-li

1982-09-29

1984-02-14

Thomas, Earl C.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423140, 423150, 423157, 423158, 423512A, 423519, C01F 542, C01F 1148, C01G 5300, C01G 4900

Patent

active

044316151

ABSTRACT:
The recovery of substantially pure magnesium and/or nickel sulphite which is present in a solid starting meterial. The latter is treated with gaseous SO.sub.2 in water, the solution obtained is treated by a liquid-liquid extraction, to give an aqueous phase and an organic phase and the magnesium and/or nickel sulphite is recovered from the aqueous phase. With this process, it is possible to obtain a magnesium salt of high purity.

REFERENCES:
patent: 2778729 (1957-01-01), Schaufelberger
patent: 3058824 (1962-10-01), Illis
patent: 3666466 (1972-05-01), Cook
patent: 4058587 (1977-11-01), Nelson
Ritcey et al "Some Aspects of the Extraction of Metal from Acidic Solutions by Kelex 100" CIM Bulletin, (2/1974) pp. 87-92.
Hohashi, Principles of Extractive of Metallurgy, vol. 2, Gordon & Breach, NY (1970) pp. 175,176.

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