	US 11,691,132 B2
	Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof
Lingping Zhou, Beijing (CN); Qiuqiao Jiang, Beijing (CN); Shuai Yuan, Beijing (CN); Hao Sha, Beijing (CN); Mingde Xu, Beijing (CN); Zhenyu Chen, Beijing (CN); Weilin Zhang, Beijing (CN); and Huiping Tian, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
Appl. No. 17/268,679
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
PCT Filed Aug. 15, 2019, PCT No. PCT/CN2019/100733 § 371(c)(1), (2) Date Feb. 16, 2021, PCT Pub. No. WO2020/035016, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 201810940921.4 (CN), filed on Aug. 17, 2018; and application No. 201810942057.1 (CN), filed on Aug. 17, 2018.
Prior Publication US 2021/0170372 A1, Jun. 10, 2021
Int. Cl. B01J 29/08 (2006.01); B01J 21/04 (2006.01); B01J 21/16 (2006.01); B01J 35/10 (2006.01); B01J 37/10 (2006.01); B01J 37/30 (2006.01); C07C 4/06 (2006.01); C10G 11/05 (2006.01)

CPC B01J 29/088 (2013.01) [B01J 21/04 (2013.01); B01J 21/16 (2013.01); B01J 35/1038 (2013.01); B01J 35/1061 (2013.01); B01J 35/1066 (2013.01); B01J 37/10 (2013.01); B01J 37/30 (2013.01); C07C 4/06 (2013.01); C10G 11/05 (2013.01); B01J 2229/186 (2013.01); B01J 2229/24 (2013.01); B01J 2229/36 (2013.01); B01J 2229/37 (2013.01); C07C 2521/04 (2013.01); C07C 2521/16 (2013.01); C07C 2529/08 (2013.01); C10G 2300/202 (2013.01); C10G 2300/308 (2013.01); C10G 2400/30 (2013.01)]

21 Claims

1. A modified Y-type molecular sieve, having a rare earth content of about 4% to about 11% by weight on the basis of the oxide, a phosphorus content of about 0.05% to about 10% by weight on the basis of P₂O₅, a sodium content of no more than about 0.5% by weight on the basis of sodium oxide, a gallium content of about 0.1% to about 2.5% by weight on the basis of gallium oxide, and a zirconium content of about 0.1% to about 2.5% by weight on the basis of zirconia, based on the weight of the modified Y-type molecular sieve on a dry basis,

wherein the modified Y-type molecular sieve has a total pore volume of about 0.36 mL/g to about 0.48 mL/g, a percentage of a pore volume of secondary pores having a pore size of 2-100 nm relative to the total pore volume of about 20% to about 40%,

a lattice constant of about 2.440 nm to about 2.455 nm, a lattice collapse temperature of not lower than about 1060° C., a percentage of non-framework aluminum content to the total aluminum content of no more than about 10%, and a ratio of B acid to L acid in the strong acid content of the modified Y-type molecular sieve of no less than about 3.5.