B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
196/133, 196/148
B01J 23/84 (2006.01)
Patent
CA 1059110
ABSTRACT A catalyst composition having enhanced selectivity suitable for the conversion and demetallization of feeds which contain large quantities of 1050°F+ hydrocarbon materials characterized by comprising an admixture of from about 5 to about 50 weight percent of a Group VIB metal, or compound thereof, from about 1 to about 12 weight percent of a Group VIII metal, or compound thereof, measured as oxides, and a porous inorganic oxide support, said catalyst composition including a combination of properties comprising, when the catalyst composition is of size ranging 1/500 to 1/50 inch average particle size diameter, at least about 20 percent of its total pore volume of absolute diameter within the range of about 100.ANG. to about 200.ANG.; when the catalyst composition is of size ranging from about 1/50 inch up to 1/25 inch average particle size diameter, at least about 15 percent of its total pore volume of absolute diameter within the range of about 150.ANG. to about 250.ANG.; when the catalyst composition is of size ranging from about 1/25 inch to about 1/8 inch average particle size diameter, at least about 15 percent of its total pore volume of absolute diameter within the range of about 175.ANG. to about 275.ANG.; surface areas ranging at least about 200 m2/g to about 600 m2/g and pore volumes ranging from about 0 6 cc/g to about 3.0 cc/g. In use, the catalyst is contacted with a heavy metals containing hydrocarbon feed in the presence of added hydrogen at severity sufficient to convert at least about 30 percent of the 1050 F+ material to 1050°F- material, while removing at least about 80 percent of the heavy metals from the feed.
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