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2 156 274

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Application

99102894/04, 1999-02-15

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Start date

1999-02-15

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Actual filing date

1999-02-15

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Published

2000-09-20

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Inventor

Somov V.E.Zalishchevskij G.D.Gajle A.A.Varshavskij O.M.Zujkov A.A.Semenov L.V.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Proizvodstvennoe Ob"Edinenie

METHOD OF ISOLATING C HYDROCARBONS WITH ADDITION OF HIGH-OCTANE OXYGEN CONTAINING ADDITIVES TO GASOLINE Russian patent published in 2000 - IPC

Abstract RU 2156274 C1

FIELD: isolation of isolation of aromatic C8 hydrocarbons from xylene fraction of reforming catalysate by azeotropic rectification. SUBSTANCE: selective azeotrope-forming component includes high-octane alcohols, e.g. ethanol, propanol-2, tert-butyl or mixtures thereof in weight ratio to saturated hydrocarbon ranging from 10: 1 to 13:1. The resulting distillate which includes azeotropic mixtures of saturated hydrocarbons with high-octane alcohols without regeneration of the latter is used as component of automobile gasoline and degree of isolation of xylenes of high purity becomes higher. EFFECT: more efficient isolation method. 3 ex, 1 tbl

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RU 2 156 274 C1

Authors

Somov V.E.

Zalishchevskij G.D.

Gajle A.A.

Varshavskij O.M.

Zujkov A.A.

Semenov L.V.

Dates

2000-09-20—Published

1999-02-15—Filed

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