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2 178 445

(13)

(51)

IPC

(21) (22)

Application

99124428/04, 1999-11-16

(24)

Start date

1999-11-16

(22)

Actual filing date

1999-11-16

(45)

Published

2002-01-20

(72)

Inventor

Pantukh B.I.Egoricheva S.A.Derevtsov V.I.Magsumov I.A.Shul'Manas Sergejus Vladimirovich

(73)

Holder

Ooo Bis"

PYROLYSIS TAR PROCESSING METHOD Russian patent published in 2002 - IPC

Abstract RU 2178445 C2

FIELD: petroleum processing. SUBSTANCE: pyrolysis tar obtained as ethylene production by-product is subjected to two- step rectification. The first step is carried out at bottom temperature 165-170 C and atmospheric pressure to give C5-C8-hydrocarbon stream. Bottom temperature is then raised to 182-184 C and second C8-C10-hydrocarbon stream is withdrawn at residual pressure 10-15 mm Hg. The first stream is fed into the second stream outlet line at weight ratio to the second stream equal to 8: (1-1.1) to yield stable gasoline component. EFFECT: increased octane number of gasoline component. 2 dwg, 4 tbl, 3 ex

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RU 2 178 445 C2

Authors

Pantukh B.I.

Egoricheva S.A.

Derevtsov V.I.

Magsumov I.A.

Shul'Manas Sergejus Vladimirovich

Dates

2002-01-20—Published

1999-11-16—Filed