Patent ID: 9567535
Date: 2017-02-14
CPC Classifications: B01J,C10G

Claim:
1. A slurry hydrocracking apparatus, comprising: A) a slurry hydrocracking reaction zone providing an effluent comprising one or more hydrocarbons and a slurry hydrocracking catalyst; B) a vacuum fractionation zone receiving the effluent and providing a mixture comprising the slurry hydrocracking catalyst; C) a filtration zone adapted to filter the mixture to provide a retentate comprising the slurry hydrocracking catalyst and a filtrate comprising a pitch; D) a line communicating the retentate from the filtration zone for recycling the retentate to the slurry hydrocracking reaction zone; and E) another line for communicating a backwash from the vacuum fractionation zone with the filtration zone.