Process for fluid catalytic cracking and hydrocracking hydrocarbons

摘要

A process and apparatus for recovering cycle oil from FCC CSO is described. By feeding the additional cycle oil to a hydrocracking unit additional diesel, naphtha and petrochemical feedstock may be obtained. The additional cycle oil is obtained by vacuum separation of the CSO. The described process and apparatus can provide additional recovery for a refiner.

主权项

1. A process for recovering catalytically cracked hydrocarbons comprising:
feeding a hydrocarbon feed stream to an FCC reactor and contacting said hydrocarbon feed stream with catalyst to catalytically crack said hydrocarbon feed stream to provide a cracked stream; disengaging said catalyst from said cracked stream; fractionating said cracked stream into products including a slurry oil stream from a bottom of a main fractionation column; separating said slurry oil stream into a separator overhead stream and a heavy stream under vacuum pressure in a separator; condensing said separator overhead stream; separating said condensed overhead stream in a receiver; and recovering a cycle oil stream from a bottom of said receiver.