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2 036 732

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(51)

IPC

(21) (22)

Application

92007644/03, 1992-11-24

(22)

Actual filing date

1992-11-24

(45)

Published

1995-06-09

(72)

Inventor

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

(73)

Holder

Kirbitova Natal'Ja VladimirovnaNuzhina Valentina NikolaevnaBoriskov Fedor FedorovichEliseev Nikolaj Ivanovich

METHOD FOR FLOTATION OF BULK COPPER-ZINC SULFIDE CONCENTRATE Russian patent published in 1995 - IPC

Abstract RU 2036732 C1

FIELD: mineral concentration. SUBSTANCE: method for flotation of bulk copper-zinc sulfide concentrate includes conditioning of pulp in the presence of sodium sulfide and zinc vitriol with subsequent separation of copper concentrate into foam product. Introduced additionally into process of conditioning is sodium naphthaleneformaldehydesulfonate with structural formula given in invention description. EFFECT: higher efficiency. 1 tbl

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RU 2 036 732 C1

Authors

Kirbitova N.V.

Nuzhina V.N.

Boriskov F.F.

Eliseev N.I.

Dates

1995-06-09—Published

1992-11-24—Filed