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2 038 860

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C1

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IPC

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Application

5059461/03, 1992-08-24

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Actual filing date

1992-08-24

(45)

Published

1995-07-09

(72)

Inventor

Kirbitova N.V.Panova N.I.Eliseev N.I.Boriskov F.F.

(73)

Holder

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

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

Abstract RU 2038860 C1

FIELD: concentration of mineral resources. SUBSTANCE: method of selective flotation of sulfide copper-zinc ores consists of it and flotation with production of copper-zinc concentrate in the presence of sodium sulfide and zinc vitriol, and subsequent copper flotation; re-grinding of copper-zinc concentrate is conducted with addition of pyritic tailings preliminarily treated by sodium sulfide. EFFECT: facilitated procedure. 1 tbl

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RU 2 038 860 C1

Authors

Kirbitova N.V.

Panova N.I.

Eliseev N.I.

Boriskov F.F.

Dates

1995-07-09—Published

1992-08-24—Filed

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