FIELD: petroleum processing.
SUBSTANCE: method comprises atmospheric distillation of initial petroleum to produce fuel fractions and black fuel oil, vacuum distillation of black fuel oil to isolate vacuum distillate and tar oil, coking of tar oil followed by separation of coking products into gasoline fraction, light and heavy coking gas oil fractions, and coke. Heavy coking gas oil fraction is divided into two streams at weight ratio (35-80):(20-65). One of the streams is combined with light coking gas oil fraction and straight-run vacuum distillate and resulting blend is sent to hydrocracking process, while second stream is subjected to preliminary hydrofining with hydrocracking residue.
EFFECT: deepened petroleum processing to produce additional amounts of antiknock motor gasoline components and diesel fuel meeting existing requirements.
3 ex
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Authors
Dates
2008-04-10—Published
2007-01-18—Filed