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2 032 616

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C1

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IPC

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Application

4682014/26, 1989-04-20

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Actual filing date

1989-04-20

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Published

1995-04-10

(72)

Inventor

Chernjakhovskij L.V.Derjagin V.N.Bubnov N.I.Shchapov E.N.Skornjakov V.I.Zel'Berg B.I.Leonov N.B.Chernykh A.E.Zhevurov N.D.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij, Konstruktorskij I Proektnyj Institut Aljuminievoj I Ehlektrodnoj Promyshlennosti"

PROCESS FOR PREPARING CARBON REDUCING AGENT FOR MELTING SILICON Russian patent published in 1995 - IPC

Abstract RU 2032616 C1

FIELD: electrical engineering. SUBSTANCE: petroleum coke precalcined at a temperature of 1200 C for 12 minutes is reduced to a grain size of (-8 mm) and mixed with a 28-30 wt % liquid coal pitch, agglomerated and heat treated at 950 C for 50 minutes. The carbon reducing agent is pitch coke. EFFECT: improved properties of the carbon reducing agent. 2 cl

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RU 2 032 616 C1

Authors

Chernjakhovskij L.V.

Derjagin V.N.

Bubnov N.I.

Shchapov E.N.

Skornjakov V.I.

Zel'Berg B.I.

Leonov N.B.

Chernykh A.E.

Zhevurov N.D.

Dates

1995-04-10—Published

1989-04-20—Filed

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