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Application

99119742/04, 1999-09-09

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Start date

1999-09-09

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Actual filing date

1999-09-09

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Published

2000-07-20

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Inventor

Kolesov V.V.Pranovich A.A.Timofeev Ju.D.Chistjakov V.N.Shkol'Nikov V.M.Grutskij L.G.Pitirimov V.V.Juzefovich V.I.

(73)

Holder

Oao Neftetitanovaja Kompanija"

METHOD OF ISOLATING AROMATIC HYDROCARBONS FROM COKE-OVEN GAS Russian patent published in 2000 - IPC

Abstract RU 2152919 C1

FIELD: chemical industry. SUBSTANCE: aromatic hydrocarbons are evaluated from coke-oven gas by treating coke-oven gas with hydrocarbon absorber followed by distillation with live steam and recycling of hydrocarbon absorber. Hydrocarbon absorber is petroleum fraction evaporating within 250-360 C taken off from vacuum column top during distillation of low-paraffin petroleum having viscosity of 3.5-6.4 sq.mm/s at 50 C and flash temperature of at least 130 C. EFFECT: reduced slime formation and increased absorbing power of aromatic hydrocarbons. 3 tbl

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RU 2 152 919 C1

Authors

Kolesov V.V.

Pranovich A.A.

Timofeev Ju.D.

Chistjakov V.N.

Shkol'Nikov V.M.

Grutskij L.G.

Pitirimov V.V.

Juzefovich V.I.

Dates

2000-07-20—Published

1999-09-09—Filed

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