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2 224 003

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(51)

IPC

(21) (22)

Application

2002122926/04, 2002-08-26

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Start date

2002-08-26

(22)

Actual filing date

2002-08-26

(45)

Published

2004-02-20

(72)

Inventor

Valjavin G.G.Vetoshkin N.I.Zaporin V.P.Valjavin K.G.Fedorinov I.A.Moroshkin Ju.G.Andreev V.S.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

OIL COKE PRODUCTION PROCESS Russian patent published in 2004 - IPC

Abstract RU 2224003 C1

FIELD: petroleum processing. SUBSTANCE: needle coke manufacture consists in fractionation of coil distillate cracking residue followed by coking of fractionation residue preceded by adding heavy pyrolysis tar in amount 5-20% based on the weight of feedstock. EFFECT: improved quality of needle coke due to improved degree of anisotropy and reduced content of sulfur and increased yield of coke. 2 tbl, 6 ex

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RU 2 224 003 C1

Authors

Valjavin G.G.

Vetoshkin N.I.

Zaporin V.P.

Valjavin K.G.

Fedorinov I.A.

Moroshkin Ju.G.

Andreev V.S.

Dates

2004-02-20—Published

2002-08-26—Filed