METHOD OF RECOVERING NICKEL AND/OR COBALT FROM ORE OR CONCENTRATE Russian patent published in 2002 - IPC

Abstract RU 2178007 C2

FIELD: nonferrous metallurgy. SUBSTANCE: ore or concentrate is oxidized at pressure and temperature between 130 and 250 C in presence of oxygen and acidic solution containing sulfuric acid and metal sulfate hydrolyzed in the same solution and also halogen ions to form solution of recovered metal. EFFECT: reduced expenses and improved quality of recovered metal. 22 cl, 7 dwg

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RU 2 178 007 C2

Authors

Dzhouns Dehvid L.

Dates

2002-01-10—Published

1996-01-04—Filed