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Application

4632220/02, 1989-01-04

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Actual filing date

1989-01-04

(45)

Published

1994-04-15

(72)

Inventor

Evlash Ju.N.Dmitriev V.G.Sukhobaevskij Ju.Ja.Obednin A.K.Shilovskikh V.A.Blejle O.L.

PROCESS FOR TREATING SULFIDE POLYMETALLIC MATERIALS Russian patent published in 1994 - IPC

Abstract SU 1609162 A1

FIELD: nonferrous metallurgy. SUBSTANCE: sulfide polymetallic materials are treated by oxidative autoclave leaching at a temperature above the melting point of elementary sulfur in the presence of a surfactant to recover a sulfur product and to obtain commercial sulfur. The surfactant is C7-16 fatty acid in an amount of 0.3-0.9 kg/t of a solid polymetallic material. EFFECT: reduced amount of the surfactant use. 2 tbl

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SU 1 609 162 A1

Authors

Evlash Ju.N.

Dmitriev V.G.

Sukhobaevskij Ju.Ja.

Obednin A.K.

Shilovskikh V.A.

Blejle O.L.

Dates

1994-04-15—Published

1989-01-04—Filed

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