US 12,233,396 B2
Molecular sieve complex, composite material and application thereof
Huizhi Yuan, Shandong (CN); Aihua Liu, Shandong (CN); Jianli Liu, Shandong (CN); Cuicui Xu, Shandong (CN); Zengrang Liu, Shandong (CN); Weidong Tao, Shandong (CN); Wenzhi Chang, Shandong (CN); and Caishan Lyu, Shandong (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SINOPEC QILU COMPANY, Shandong (CN)
Appl. No. 17/768,137
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SINOPEC QILU COMPANY, Shandong (CN)
PCT Filed Jul. 24, 2020, PCT No. PCT/CN2020/104505
§ 371(c)(1), (2) Date Apr. 11, 2022,
PCT Pub. No. WO2021/068600, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 201910964556.5 (CN), filed on Oct. 11, 2019.
Prior Publication US 2023/0149891 A1, May 18, 2023
Int. Cl. B01J 20/18 (2006.01); B01D 53/50 (2006.01); B01J 20/28 (2006.01); B01J 29/06 (2006.01); B01J 29/08 (2006.01)
CPC B01J 20/18 (2013.01) [B01D 53/508 (2013.01); B01J 20/28064 (2013.01); B01J 20/28071 (2013.01); B01J 29/061 (2013.01); B01J 29/084 (2013.01); B01D 2253/108 (2013.01); B01D 2253/306 (2013.01); B01D 2253/311 (2013.01); B01D 2257/302 (2013.01); B01D 2258/0283 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A molecular sieve complex, comprising an oxide of aluminum, an oxide of alkaline earth metal and a rare earth-modified molecular sieve, wherein the rare earth-modified molecular sieve is a molecular sieve doped by a rare earth element, wherein the percentage of the pore volume occupied by pores of 3 nm or less to the total pore volume in the molecular sieve complex is greater than or equal to 63.5%; and the molecular sieve complex satisfies formula I:

OG Complex Work Unit Math
in formula I:
W1 represents the weight content of total aluminum in the molecular sieve complex in terms of the oxide of aluminum;
W2 represents the weight content of the oxide of alkaline earth metal in the molecular sieve complex;
W3 represents the weight content of rare earth element in molecular sieve complex in terms of oxide; and
W4 represents the weight content of molecular sieve in the molecular sieve complex in terms of SiO2.