Patent ID: 6733657
Filing Date: 2004-05-11
Classification: B01J,C10G

Abstract:
A catalyst comprising at least one hydro-dehydragenating element and a substrate comprising silica-alumina material, wherein said silica-alumina material having the following characteristics:a silica content of 10-60% by weight, a sodium content of less than 300 ppm by weight, a total pore volume of between 0.5 and 1.2 ml/g, a volume of mesopores with a diameter of between 40-150 Ã¥, and a mean diameter of between 80-120 Ã¥ representing 30-80% of the total pore volume, a volume of macropores with a diameter of greater than 500 Ã¥ representing 20-80% of the total pore volume, and a specific surface area of greater than 200 m2/g.