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 5-9 for no longer than 5 min. Method can be employed for treatment of industrial and domestic effluents. EFFECT: increased recovery of nickel within a wide solution pH range and accelerated process. 1 tbl, 3 ex
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Authors
Dates
2003-12-20—Published
2002-01-09—Filed