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2 031 731

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C1

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IPC

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Application

5025527/03, 1991-07-25

(22)

Actual filing date

1991-07-25

(45)

Published

1995-03-27

(72)

Inventor

Bel'Kova O.N.Leonov S.B.Alekseev E.B.Mirskova A.N.Levkovskaja G.G.Guseva S.A.

(73)

Holder

Irkutskij Institut Organicheskoj Khimii So Ran

METHOD FOR REMOVING SULFIDES OF TUNGSTEN-CONTAINING ORES Russian patent published in 1995 - IPC

Abstract RU 2031731 C1

FIELD: enrichment of useful minerals. SUBSTANCE: pulp is conditioned with the help of modifier, sulfhydryl collecting agent and with (benz-1,3-thiazolyl-2)-thioacetic acid, mass ratio of said compound and collecting agent being 1:15-1:75. Then foaming agent is added and sulfides are removed. EFFECT: improves efficiency of the method. 2 tbl

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RU 2 031 731 C1

Authors

Bel'Kova O.N.

Leonov S.B.

Alekseev E.B.

Mirskova A.N.

Levkovskaja G.G.

Guseva S.A.

Dates

1995-03-27—Published

1991-07-25—Filed

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