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Application

99126145/04, 1999-12-10

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Start date

1999-12-10

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Actual filing date

1999-12-10

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Published

2001-06-10

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Inventor

Tsegel'Skij V.G.Akimov M.V.Khajrudinov I.R.Sultanov F.M.Mingaraev S.S.

(73)

Holder

Tsegel'Skij Valerij Grigor'Evich

METHOD FOR DEASPHALTING OF CRUDE OIL AND CRUDE OIL DEASPHALTING INSTALLATION FOR IMPLEMENTATION OF THE METHOD Russian patent published in 2001 - IPC

Abstract RU 2168534 C1

FIELD: petroleum processing. SUBSTANCE: mixture of gas extractant with steam originated from asphalt and deasphaltizate stripping columns is fed into liquid-gas jet apparatus, which simultaneously receives pressurized water, which, flowing out of nozzle, compresses and condenses water steam and extractant. Mixture of water with liquid extractant from liquid-gas jet apparatus is fed into separator, wherein liquid extractant is separated from water, after which liquid extractant is directed into special container and water is pumped to nozzle of liquid-gas jet apparatus. As steam condensate accumulates in separator, extra water is withdrawn. Installation is provided with liquid-gas jet apparatus, pump, and separator. Pump outlet is connected to liquid inlet of liquid-gas jet apparatus, whose gas inlet communicates with outlet for mixture of gas extractant with steam coming out of asphalt and deasphaltizate stripping columns. Liquid-gas jet apparatus outlet is connected to separator, whose water outlet is connected to pump inlet and liquid extractant outlet to liquid extractant container. EFFECT: intensified extractant condensationprocess and improved reliability and quality of operation of deasphalting installation, whose structure is simplified. 11 cl, 1 dwg

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RU 2 168 534 C1

Authors

Tsegel'Skij V.G.

Akimov M.V.

Khajrudinov I.R.

Sultanov F.M.

Mingaraev S.S.

Dates

2001-06-10—Published

1999-12-10—Filed

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