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2 179 176

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IPC

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Application

99115572/12, 1999-07-13

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Start date

1999-07-13

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Actual filing date

1999-07-13

(45)

Published

2002-02-10

(72)

Inventor

Plekhanov M.A.Butina N.M.Klipert F.Ja.Matveev A.I.Kozorog B.G.Nikiforov B.V.Golubev S.K.

(73)

Holder

Oao Npz"

METHOD FOR PRODUCTION OF LOW-SULFUR ELECTRODE COKE Russian patent published in 2002 - IPC

Abstract RU 2179176 C2

FIELD: petroleum processing. SUBSTANCE: mixture of goudron and heavy catalytic gas oil at ratio (0.6-0.4):(0.4-0.6) is subjected to delayed coking. As process progresses, density of mixture is adjusted to at least 0.989 g/cu. cm to form heavy coke gas oil. 30 to 70% of heavy catalytic gas oil in initial raw mixture is substituted by heavy coke gas oil and thus obtained mixture is coked. Product contains 5.9- 6.5% volatiles, 0.0129-0.0150% vanadium, and no more than 1.5% sulfur. EFFECT: improved characteristics of product. 1 tbl, 4 ex

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RU 2 179 176 C2

Authors

Plekhanov M.A.

Butina N.M.

Klipert F.Ja.

Matveev A.I.

Kozorog B.G.

Nikiforov B.V.

Golubev S.K.

Dates

2002-02-10—Published

1999-07-13—Filed