METHOD FOR PROCESSING HEAVY PETROLEUM CRUDE

WIPO Patent Application WO/1993/019139

A1

A method for processing heavy petroleum crude provides for preliminary modification of a part of the initial raw material and/or heavy petroleum crude which is different by its content from the initial raw material to be processed. For that purpose it is subjected to processing by air at a temperature of 200-300 °C at a mass ratio between the air and the raw material equalling 0.1-0.6:1, respectively, giving a gaseous phase which is removed and a liquid product which is then subjected to vacuum distillation with extraction of a distillate evaporating before the temperature of 540 °C. The distillate is mixed with the initial petroleum crude to be processed at the distillate content of 2.0-25.0 % by weight of the total of the obtained modified mixture. The modified mixture is subjected to cracking.

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ZVYAGIN VLADIMIR OLEGOVICH (RU)
MATVEEVA NINEL KONSTANTINOVNA (RU)
SJUNYAEV ZAGIDULLA ISKHAKOVICH (RU)
DENISOV ALEXANDR VASILIEVICH (RU)
DONCHENKO SERGEI ANATOLIEVICH (RU)
KOMPANEETS VALENTINA GEORGIEVN (RU)
STYAZHKINA OLGA VASILIEVNA (RU)
TSELIDI EFROSINYA IVANOVNA (RU)
SAMOKHVALOV ANATOLY IVANOVICH (RU)

PCT/RU1993/000067

September 30, 1993

March 19, 1993

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MO NEFTEPERERABATYVAJUSCHY Z (RU)

C10G57/00; C10G11/05; C10G55/06; (IPC1-7): C10G11/05; C10G57/00

WO1988001638A1

1988-03-10

SU1754764A1	1992-08-15
US4054510A	1977-10-18
SU1663018A1	1991-07-15

See also references of EP 0636678A4

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