초록 ▼

A catalyst nominally containing zeolite, preferably HY zeolite and/or ultrastable HY zeolite, clay, alumina and an acidic silica-alumina co-gel matrix. The zeolite is preferably partially exchanged with high La/Ce ratio solution in a wetting step, and rare earths are precipitated onto the matrix. Th

A catalyst nominally containing zeolite, preferably HY zeolite and/or ultrastable HY zeolite, clay, alumina and an acidic silica-alumina co-gel matrix. The zeolite is preferably partially exchanged with high La/Ce ratio solution in a wetting step, and rare earths are precipitated onto the matrix. The catalyst has high metals tolerance and is capable of cracking heavy reduced crude oils, producing higher LCO/slurry oil ratio.

대표청구항 ▼

A low coke, high octane, high activity, high selectivity, metal tolerant, thermally stable, low slurry oil producing catalyst for the conversion of hydrocarbons contaminated with high Conradson carbon metals to produce lower molecular weight products, said catalyst comprising in combination: (a) fro

A low coke, high octane, high activity, high selectivity, metal tolerant, thermally stable, low slurry oil producing catalyst for the conversion of hydrocarbons contaminated with high Conradson carbon metals to produce lower molecular weight products, said catalyst comprising in combination: (a) from about 8 to about 25% by weight of a zeolite comprising a zeolite selected from the group consisting of a HY zeolite and an ultrastable HY zeolite having a silica-alumina mole ratio of at least about 5, and having a cell dimension of about 24.30 to about 24.70 angstroms; (b) from about 20 to about 70 wt. % of a clay comprising kaolin, having a crystalline size of from about 0.5 to about 2 microns; (c) from about 35 to about 70% of an acidic silica-alumina co-gel matrix comprising at least about 13 wt. % alumina; (d) from about 0.1 to about 3 wt. % of rare earths comprising lanthanum and cerium in a ratio of from about 1 to about 6; (e) from about 15 to about 60 wt. % alumina; (f) wherein said zeolite is partially exchanged with said rare earths from a solution and wherein said zeolite is contained in said acidic matrix and wherein rare earthes have been precipitated onto said matrix;