Extraction of copper, nickel and cobalt using alkylaromatic sulf

Details Extraction of copper, nickel and cobalt using alkylaromatic sulf Extraction of copper, nickel and cobalt using alkylaromatic sulf

1979-07-25

1981-03-03

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423139, 75101BE, C01G 300, C01G 5100, C01G 5300

Patent

active

042540879

ABSTRACT:
An extractant system comprising (a) a high molecular weight alkylaromatic sulfonic acid and (b) a chelating amine having a pKa of from about 3 to about 9 in a solvent which is essentially immiscible with water, said system being useful for the selective extraction of desired metals, e.g., cobalt, nickel or copper ions from aqueous acidic ore leach liquors.

REFERENCES:
patent: 3810827 (1974-05-01), Kane et al.
patent: 3843667 (1974-10-01), Cupery
patent: 3878286 (1975-04-01), Morin et al.
patent: 3941793 (1976-03-01), Ackerley
patent: 4018865 (1977-04-01), Gallacher
patent: 4100163 (1978-07-01), Virnig
patent: 4123435 (1978-10-01), Grinstead et al.
patent: 4166837 (1979-09-01), Gallacher
Donaldson et al., "Transmission of Substituent Effects in Quinoline", J. Org. Chem., vol. 33, No. 4. Apr. 1968, pp. 1504-1506.
Charles et al., "Structure and Behavior of Organic Analytical Reagents", Analytica Chimica Acta, vol. 11 (1954), pp. 1-11.

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