Systems and methods for producing a crude product

Details Systems and methods for producing a crude product Systems and methods for producing a crude product

2011-04-26

2011-04-26

Hill, Jr., Robert J (Department: 1774)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

C208S057000, C208S058000

Reexamination Certificate

active

07931797

ABSTRACT:
A process for hydroprocessing heavy oil feedstock is disclosed. The process operates in once-through mode, employing a plurality of contacting zones and at least a separation zone to convert at least a portion of the heavy oil feedstock to lower boiling hydrocarbons, forming upgraded products. In the once-through upgrade system, little if any of the unconverted material and slurry catalyst mixture is recycled back to the system for further upgrading. The contacting zones operate under hydrocracking conditions, employing a slurry catalyst for upgrading the heavy oil feedstock. The slurry catalyst feed comprises an active metal catalyst having an average particle size of at least 1 micron in a hydrocarbon oil diluent, at a concentration of greater than 500 wppm of active metal catalyst to heavy oil feedstock.

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