Process for refractory compound rejection from a hydrocracker recycle liquid
Patent
·
OSTI ID:6754410
This patent describes a catalytic hydrocracking process. It comprises: contacting a hydrocarbonaceous feedstock having a propensity to form heavy polynuclear aromatic compounds and a liquid recycle stream in a hydrocracking zone with added hydrogen and a metal promoted hydrocracking catalyst at elevated temperature and pressure sufficient to convert a substantial portion of the hydrocarbonaceous components in the feedstock to lower boiling products; and recovering a hydrocarbon effluent from the hydrocracking zone and partially condensing the hydrocarbon effluent from the hydrocracking zone and separating the same into a lower boiling hydrocarbon product stream and an unconverted hydrocarbon stream having at least a portion boiling above about 400{degrees} F. and comprising trace quantities of heavy polynuclear aromatic compounds.
- Assignee:
- UOP, Des Plaines, IL (USA)
- Patent Number(s):
- US 4931165; A
- Application Number:
- PPN: US 7-348452A
- OSTI ID:
- 6754410
- Country of Publication:
- United States
- Language:
- English
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