US 12,296,323 B2
Phosphorus-modified MFI-structured molecular sieve, catalytic cracking auxiliary and catalytic cracking catalyst containing phosphorus-modified MFI-structured molecular sieve, and processes for preparing the same
Yibin Luo, Beijing (CN); Chengqiang Wang, Beijing (CN); Ying Ouyang, Beijing (CN); Enhui Xing, Beijing (CN); and Xingtian Shu, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
Appl. No. 17/996,187
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
PCT Filed Apr. 13, 2021, PCT No. PCT/CN2021/086824
§ 371(c)(1), (2) Date Oct. 13, 2022,
PCT Pub. No. WO2021/208885, PCT Pub. Date Oct. 21, 2021.
Claims priority of application No. 202010283498.2 (CN), filed on Apr. 13, 2020; application No. 202011169092.8 (CN), filed on Oct. 28, 2020; and application No. 202011175729.4 (CN), filed on Oct. 29, 2020.
Prior Publication US 2023/0191380 A1, Jun. 22, 2023
Int. Cl. B01J 29/80 (2006.01); B01J 21/16 (2006.01); B01J 27/16 (2006.01); B01J 29/06 (2006.01); B01J 29/08 (2006.01); B01J 29/40 (2006.01); B01J 29/85 (2006.01); B01J 35/64 (2024.01); B01J 37/00 (2006.01); B01J 37/04 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); B01J 37/28 (2006.01); C01B 39/02 (2006.01); C01B 39/38 (2006.01); C01B 39/54 (2006.01); C10G 11/05 (2006.01)
CPC B01J 29/80 (2013.01) [B01J 21/16 (2013.01); B01J 27/16 (2013.01); B01J 29/084 (2013.01); B01J 29/40 (2013.01); B01J 29/85 (2013.01); B01J 35/647 (2024.01); B01J 37/0018 (2013.01); B01J 37/0072 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/08 (2013.01); B01J 37/28 (2013.01); C01B 39/026 (2013.01); C01B 39/38 (2013.01); C01B 39/54 (2013.01); C10G 11/05 (2013.01); B01J 2029/062 (2013.01); B01J 2229/183 (2013.01); B01J 2229/37 (2013.01); C10G 2300/1044 (2013.01); C10G 2300/107 (2013.01); C10G 2300/1074 (2013.01); C10G 2300/205 (2013.01); C10G 2300/206 (2013.01); C10G 2300/301 (2013.01); C10G 2300/304 (2013.01); C10G 2300/308 (2013.01); C10G 2400/20 (2013.01)] 27 Claims
 
1. A phosphorus-modified MFI-structured molecular sieve having a K value that satisfies 70%≤K≤90%;
wherein K=P1/P2×100%,
P1 is a mass content of phosphorus within a region having an area of 100 square nanometers and a vertical depth from 0 to 2 nm at any crystal surface of a crystal grain of the molecular sieve, as measured by an XPS method, and
P2 is a mass content of phosphorus within a region having an area of 100 square nanometers and a vertical depth from 5 to 10 nm at any crystal surface of the crystal grain of the molecular sieve, as measured by an EPMA method.