Heavy crude conversion

Details Heavy crude conversion Heavy crude conversion

B - Operations, Transporting

01

J

196/133, 196/148

B01J 23/84 (2006.01)

Patent

CA 1056801

ABSTRACT OF THE DISCLOSURE This invention relates to 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 0.1 to about 10 weight percent of a Group IVA metal, or compound thereof, 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 including a combination of properties comprising, when the catalyst composition is of size ranging from 1/500 to about 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.A , a surface area ranging at least about 200 m2/g to about 600 m2/g and a pore volume ranging from about 0.8 cc/g to about 3.0 cc/g. The catalysts have certain critical ranges of physical characteristics inclusive of large uniform pore sizes, these having been shown to possess improved catalytic activity and selectivity for the hydroconversion of the 1050°F.+ materials of the heavy feeds and residue.Novel methods are described for use of such catalysts.

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