	US 12,138,621 B2
	Catalytic cracking catalyst and preparation process thereof
Jiexiao Zhang, Beijing (CN); Shanqing Yu, Beijing (CN); Mingde Xu, Beijing (CN); Jiasong Yan, Beijing (CN); Huiping Tian, Beijing (CN); Jiaxing Li, Beijing (CN); and Min Yang, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
Appl. No. 17/599,184
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
PCT Filed Mar. 26, 2020, PCT No. PCT/CN2020/081358 § 371(c)(1), (2) Date Sep. 28, 2021, PCT Pub. No. WO2020/192724, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 201910241402.3 (CN), filed on Mar. 28, 2019.
Prior Publication US 2022/0184589 A1, Jun. 16, 2022
Int. Cl. B01J 37/10 (2006.01); B01J 21/04 (2006.01); B01J 29/08 (2006.01); B01J 35/61 (2024.01); B01J 35/63 (2024.01); B01J 35/64 (2024.01); B01J 37/00 (2006.01); B01J 37/03 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); C01F 7/30 (2022.01); C10G 11/05 (2006.01)

CPC B01J 29/088 (2013.01) [B01J 21/04 (2013.01); B01J 35/615 (2024.01); B01J 35/633 (2024.01); B01J 35/647 (2024.01); B01J 35/651 (2024.01); B01J 37/0009 (2013.01); B01J 37/038 (2013.01); B01J 37/04 (2013.01); B01J 37/082 (2013.01); B01J 37/10 (2013.01); C01F 7/30 (2013.01); C10G 11/05 (2013.01); C10G 2300/202 (2013.01); C10G 2300/205 (2013.01); C10G 2300/301 (2013.01); C10G 2300/302 (2013.01); C10G 2300/308 (2013.01); C10G 2300/70 (2013.01); C10G 2400/02 (2013.01); C10G 2400/04 (2013.01)]

17 Claims

1. A catalytic cracking catalyst comprising a clay, a binder, a molecular sieve, and an alumina substrate material having a crystalline γ-alumina, wherein based on a total volume of pores with a diameter of 2-100 nm in the alumina substrate material, a pore volume of pores with a diameter of 2-5 nm accounts for 0-10%, a pore volume of pores with a diameter of more than 5 nm and not more than 10 nm accounts for 10-25%, and a pore volume of pores with a diameter of more than 10 nm and not more than 100 nm accounts for 65-90%,

wherein the molecular sieve is one or more selected from the group consisting of Y-type molecular sieve, ZSM-5 molecular sieve and β-molecular sieve,

wherein the alumina substrate material has a B-acid amount of 1-3 μmol·g⁻¹, a L acid amount of 10-40 μmol·g⁻¹, and a molar ratio of B-acid to L-acid of 0.06-0.1, and

wherein the crystalline γ-alumina of the alumina substrate material has a crystallinity of 40-60%.