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2 009 204

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IPC

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Application

5019508/02, 1991-10-16

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Actual filing date

1991-10-16

(45)

Published

1994-03-15

(72)

Inventor

Ivanov V.V.Ledjaev V.S.Mechev V.V.Borodenko A.V.Ivannikov V.M.Molodetskij V.I.Demikhov V.N.Ermakov A.B.Kovalenko A.L.

(73)

Holder

Ivanov Vladimir Vasil'Evich

METHOD OF EXTRACTING METALS DURING COMBUSTION OF SOLID FUEL IN MELT Russian patent published in 1994 - IPC

Abstract RU 2009204 C1

FIELD: power engineering and metallurgy. SUBSTANCE: method involves charging fuel and wastes into molten slag bath; blowing bath by oxygen-containing gas. Solid fuel is burnt in slag melt above layer of metallized phase. The ratio of metallized phase layer height and silicate slag layer height in killed state is 1: (2.1-6.5). Dust entrainment of heat power plants in an amount of 10-40 % by weight with limestone additive in an amount of 5-55% of weight consumption of fuel and dust entrainment may be used as wastes. EFFECT: increased all-round utilization of fuel and increased economic efficiency of combustion process through extraction of iron, sulfur, heavy non-ferrous, noble and platinum metals. 2 cl, 1 tbl

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RU 2 009 204 C1

Authors

Ivanov V.V.

Ledjaev V.S.

Mechev V.V.

Borodenko A.V.

Ivannikov V.M.

Molodetskij V.I.

Demikhov V.N.

Ermakov A.B.

Kovalenko A.L.

Dates

1994-03-15—Published

1991-10-16—Filed

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