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1 628 443

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IPC

(21) (22)

Application

4680977/26, 1989-02-17

(22)

Actual filing date

1989-02-17

(45)

Published

1996-07-27

(72)

Inventor

Elkin K.S.Kravchenko V.I.Kozinets V.I.Chernjakhovskij L.V.Kozhevnikov G.N.Zel'Berg B.I.Leonov N.B.Popov S.I.

METHOD OF SMELTING SILICON Russian patent published in 1996 - IPC

Abstract SU 1628443 A1

FIELD: silicon production. SUBSTANCE: in a method of smelting silicon including carbothermic reduction of ground quartzite in three-electrode ore-thermal furnace, improvement consists in periodically (preferably with 1.5-2.0 h intervals) loading into the furnace interelectrode space a mixture containing carbon-containing reducing agents and quartzite at carbon to silica weight ratio (0.5-0.75):1. EFFECT: increased silicon isolation degree.

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SU 1 628 443 A1

Authors

Elkin K.S.

Kravchenko V.I.

Kozinets V.I.

Chernjakhovskij L.V.

Kozhevnikov G.N.

Zel'Berg B.I.

Leonov N.B.

Popov S.I.

Dates

1996-07-27—Published

1989-02-17—Filed