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2 083 706

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IPC

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Application

95107676/02, 1995-05-17

(22)

Actual filing date

1995-05-17

(45)

Published

1997-07-10

(72)

Inventor

Myzenkov F.A.Kubasov V.L.Glupov O.V.Ushakov A.K.Pashchenko G.G.Stepanov B.E.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij Institut Tsvetnykh MetallovAktsionernoe Obshchestvo

METHOD OF OXIDATION OF METALLIC ANTIMONY CONTAINING IMPURITIES OF NOBLE METALS Russian patent published in 1997 - IPC

Abstract RU 2083706 C1

FIELD: nonferrous metallurgy, particular, production of antimony compounds. SUBSTANCE: the offered method includes heating and melting of metal, blowing of oxygen-containing blast to reaction space, onto surface of melt at the velocity of 150-1850 m/s at angle of, at least, 4 deg to melt surface, withdrawal of forming gases containing antimony trioxide at rate of 0.03-0.35 m/s, and discharge of produced antimony alloys concentrating impurities of noble metals. EFFECT: improved quality of commercial antimony trioxide, increased recovery of gold into gold-antimony alloy, higher productivity of process and reduced power consumption. 1 tbl

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RU 2 083 706 C1

Authors

Myzenkov F.A.

Kubasov V.L.

Glupov O.V.

Ushakov A.K.

Pashchenko G.G.

Stepanov B.E.

Dates

1997-07-10—Published

1995-05-17—Filed

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