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2 064 516

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IPC

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Application

94026044/02, 1994-07-13

(22)

Actual filing date

1994-07-13

(45)

Published

1996-07-27

(72)

Inventor

Kovgan P.A.Rogov P.V.Muftakhov A.S.Volkov V.A.Kozyrev V.V.Barsukov V.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Kombinat

METHOD OF OXIDIZED NICKEL ORES PROCESSING Russian patent published in 1996 - IPC

Abstract RU 2064516 C1

FIELD: nonferrous metallurgy, processing of oxidized nickel raw material. SUBSTANCE: method of oxidized nickel raw material processing provides for feeding of ore and lime flux in counter direction to high temperature exhaust gasses movement, heat with feeding of carbon-bearing fuel and production of smelt. Produced molten bath is going into plasma arc zone of furnace, in which it is treated with plasma of neutral gas feeding of solid reducer in amount of (0.04 - 0.045) of initial material weight. Troilite concentrate fed in amount of (0.02 - 0.03) of initial material weight is used for sulfitizing of smelt. EFFECT: improved process. 1 tbl

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RU 2 064 516 C1

Authors

Kovgan P.A.

Rogov P.V.

Muftakhov A.S.

Volkov V.A.

Kozyrev V.V.

Barsukov V.V.

Dates

1996-07-27—Published

1994-07-13—Filed

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