Selective nickel and cobalt extraction from aqueous acidic solut

Details Selective nickel and cobalt extraction from aqueous acidic solut Selective nickel and cobalt extraction from aqueous acidic solut

1976-11-12

1980-03-18

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

75101BE, C01G 5100, C01G 5300

Patent

active

041939697

ABSTRACT:
Nickel and cobalt are separated from aqueous process solutions having pH values below about 4 and containing other metal ions by contacting the process solutions with liquid organic extractants containing a mixture of .alpha.-hydroxyoximes and sulfonic acids dissolved in water-immiscible organic solvents.

REFERENCES:
patent: 3399055 (1968-08-01), Ritcey et al.
patent: 3810827 (1974-05-01), Kane et al.
patent: 3878286 (1975-04-01), Morin et al.
patent: 4018865 (1977-04-01), Gallacher
patent: 4120817 (1978-10-01), Hummelstedt et al.
Flett et al., "Extraction of Metal Ions by LIX63/Carboxylic Acid Mixtures", in Solvent Extraction, vol. I, pp. 214-223, Society of Chemical Industry, London (1971).
Morrison et al., Solvent Extraction in Analytical Chemistry, pp. 29, 56, 57, John Wiley & Sons, New York (1957).

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