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2 047 646

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C1

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IPC

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Application

5043087/04, 1992-05-21

(22)

Actual filing date

1992-05-21

(45)

Published

1995-11-10

(72)

Inventor

Biktimirov F.S.Gajsin I.Kh.Marushkin A.B.Mingaraev S.S.Khamitov G.G.Shestakov V.V.

(73)

Holder

Marushkin Aleksandr Borisovich

METHOD OF PETROLEUM RESIDUES DEASPHALTING Russian patent published in 1995 - IPC

Abstract RU 2047646 C1

FIELD: oil processing. SUBSTANCE: petroleum residue is mixed preliminary with solvent and fed in extractor between phase interface and contact devices. Deasphalting is carried out with liquefied hydrocarbon solvent in column type extractor equipped by contact devices and heater at its upper part. EFFECT: improved method of deasphalting. 1 dwg

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RU 2 047 646 C1

Authors

Biktimirov F.S.

Gajsin I.Kh.

Marushkin A.B.

Mingaraev S.S.

Khamitov G.G.

Shestakov V.V.

Dates

1995-11-10—Published

1992-05-21—Filed

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