COPPER-NICKEL SULFIDE ORE FLOTATION PROCESS Russian patent published in 2002 - IPC

Abstract RU 2185891 C2

FIELD: mineral dressing. SUBSTANCE: process comprises grinding, conditioning of pulp with collector, adding frothing agent, and removing copper and nickel minerals into frothed products, the frothing agent being 30% aqueous solution of N. N-dimethyl-N- dodecyl- and N. N-dimethyl-N- tetradecylhydrazinium. EFFECT: enhanced process efficiency and extended assortment of efficient and inexpensive frothing agents.

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RU 2 185 891 C2

Authors

Timoshenko L.I.

Samojlov V.G.

Semenova L.A.

Markosjan S.M.

Dates

2002-07-27—Published

2000-02-10—Filed