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2 111 271

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C1

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IPC

(21) (22)

Application

96120893/02, 1996-10-22

(22)

Actual filing date

1996-10-22

(45)

Published

1998-05-20

(72)

Inventor

Digonskij S.V.Dubinin N.A.Kravtsov E.D.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Inkorporejted"

METHOD OF PRODUCING METALS FROM THEIR SULFIDES Russian patent published in 1998 - IPC

Abstract RU 2111271 C1

FIELD: metallurgy. SUBSTANCE: in a method of producing metals via metal sulfide reduction, a layer of sulfide is placed in reaction space under layer of carbon reducing agent, and reduction is carried out under atmosphere of hydrogen regenerated by carbon reducing agent from water steam fed into reaction space from the top of reaction zone. EFFECT: increased sulfide reduction degree and reduced power consumption on reduction. 1 dwg

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RU 2 111 271 C1

Authors

Digonskij S.V.

Dubinin N.A.

Kravtsov E.D.

Dates

1998-05-20—Published

1996-10-22—Filed

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