METHOD OF EXTRACTING COPPER FROM AQUEOUS SOLUTIONS Russian patent published in 2003 - IPC

Abstract RU 2219258 C2

FIELD: nonferrous metallurgy. SUBSTANCE: in a method involving contact of aqueous solution and extractant containing mixture of oleic acid, triethanolamine, and inert diluent, stirring, settling, and separation of phases, inert diluent is gasoline or kerosene and extraction is performed at pH 4-10 for no longer than 5-10 min. Method can be employed for treatment of industrial and domestic effluents. EFFECT: increased extraction velocity and recovery of copper from aqueous solution within a wide solution pH range. 2 tbl, 2 ex

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RU 2 219 258 C2

Authors

Voropanova L.A.

Dudarnikova V.D.

Dzeboeva F.M.

Dates

2003-12-20—Published

2002-01-09—Filed