Patent ID: 9630171
Date: 2017-04-25
CPC Classifications: B01J,C01B

Claim:
1. A catalytic cracking catalyst, which comprises a cracking active component, 10 wt %-70 wt % of a clay on the dry basis, and 10 wt %-40 wt % of an inorganic oxide binder (as oxide), relative to the weight of the catalytic cracking catalyst, wherein said cracking active component contains, relative to the weight of the catalytic cracking catalyst, 10 wt %-50 wt % of a modified Y-type zeolite on the dry basis and 0-40 wt % of other zeolite on the dry basis, wherein said modified Y-type zeolite is characterized by having a unit cell size of 2.420-2.440 nm; as percent by weight of the modified Y-type zeolite, a phosphorus content of 0.05-6%, a RE a specific hydroxy nest concentration of less than 0.35 mmol/g and more than 0.05 mmol/g, wherein M wherein said other zeolite is selected from one or more of the following: Y-type zeolite selected from REY, REHY, DASY, USY, and REUSY; Mg-containing ultra stable Y-type zeolite; rare-earth modified, gas-phase ultra stable Y-type zeolite and rare earth-containing, acid-treated, hydrothermally dealuminated Y-type zeolite; MFI-structured zeolite selected from ZSM-5, ZRP, and ZSP; Beta zeolite; and non-zeolite molecular sieve selected from SAPO and a titanium silicate molecular sieve.