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2 042 433

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IPC

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Application

93026213/03, 1993-05-07

(22)

Actual filing date

1993-05-07

(45)

Published

1995-08-27

(72)

Inventor

Nuzhina V.N.Sinitsyn V.V.Kirbitova N.V.

(73)

Holder

Ural'Skij Nauchno-Issledovatel'Skij I Proektnyj Institut Mednoj Promyshlennosti

METHOD FOR FLOTATION OF SULFIDE COPPER/ZINC ORES Russian patent published in 1995 - IPC

Abstract RU 2042433 C1

FIELD: beneficiation of minerals. SUBSTANCE: method for flotation of sulfide copper/zinc ores includes pulp conditioning in calcium medium with such agents/regulators as sodium sulfide and zinc sulfate, adding collector and foaming agent, and subsequent separation resulted in foam product formed from copper containing minerals. Polyalkylamideminguanidin urea representing a product of polyalkylamideminguanidine and carbon disulfide is added to agent/regulators. Polyalkylamideminguanidin urea agent flow rate is maintained within 20 to 100 g/t. EFFECT: high productivity. 2 cl, 1 tbl

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RU 2 042 433 C1

Authors

Nuzhina V.N.

Sinitsyn V.V.

Kirbitova N.V.

Dates

1995-08-27—Published

1993-05-07—Filed

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