Metallurgical extractant system

Details Metallurgical extractant system Metallurgical extractant system

1980-09-08

1983-05-10

Jiles, Henry R.

Compositions

Co, s, negative element, or acid, bindant containing

75101R, 260429J, 252182, 423139, 436 76, 436 84, 436 80, C22B 300, C07F 1702, C01G 4900

Patent

active

043828728

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: 3128156 (1964-04-01), Long et al.
patent: 4166837 (1979-09-01), Gallacher et al.
Kurachi, Chem. Abs., 78:154,245f.

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