Patent ID: 6511933
Filing Date: 2003-01-28
Classification: B01J,C10G

Abstract:
A catalyst composition for the catalytic cracking of heavy oil comprising a zeolite, a mixed metal oxide, clay, and a metal oxide, wherein the total acidity of a portion of said catalyst, said portion being composed of said catalyst components other than said zeolite, is from 0.02 to 0.08 mmol/g, wherein the metal oxide is selected from the group consisting of silica, alumina, titania, boria, magnesia, calcia, and zirconia and wherein said mixed metal oxide is selected from the group consisting of silica-alumina, silica-zirconia, silica-magnesia, silica-titania, silica-boria, alumina-calcia, alumina-boria and alumina-magnesia, wherein the silica content of said mixed metal oxide is from about 5 to about 30 wt. %.