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U.S. Department of Energy
Office of Scientific and Technical Information

Process for demetallation and desulfurization of heavy hydrocarbons

Patent ·
OSTI ID:6775052
A process is described for the hydrodemetallation, hydrodesulfurization and hydrocracking of a hydrocarbon feedstock containing asphaltenes, metals, and Shell hot filtration solid precursors and the conversion of at least 30 vol.% of the feedstock fraction boiling over 1,000/sup 0/F to material boiling below 1,000/sup 0/F. The process comprises contacting the feedstock in at least one ebullated bed reaction zone with hydrogen and a hydrocracking catalyst comprising a Group VIB metal component and a cobalt component on a porous inorganic oxide support. The Group VIB metal is present in an amount ranging from bout 3.5 to about 5.0 wt.% calculated as an oxide and based on total catalyst weight. The cobalt is present in an amount ranging from about 0.4 to about 0.8 wt.% calculated as an oxide and based on total catalyst weight. The catalyst has a surface area of about 150 to about 220 m/sup 2//gm, a total pore volume of about 0.85 to about 1.5 cc/gm, and a pore volume in pores having diameters larger than 1,200 A of about 0.15 to about 0.4 cc/gm.
Assignee:
Amoco Corp., Chicago, IL
Patent Number(s):
US 4657665
OSTI ID:
6775052
Country of Publication:
United States
Language:
English