US 11,053,129 B2
Magnesium modified Y-type molecular sieve, preparation thereof and catalyst comprising the same
Lingping Zhou, Beijing (CN); Weilin Zhang, Beijing (CN); Mingde Xu, Beijing (CN); Zhenyu Chen, Beijing (CN); Huiping Tian, Beijing (CN); and Yuxia Zhu, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
Appl. No. 16/484,880
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
PCT Filed Feb. 12, 2018, PCT No. PCT/CN2018/076431
§ 371(c)(1), (2) Date Aug. 9, 2019,
PCT Pub. No. WO2018/153303, PCT Pub. Date Aug. 30, 2018.
Claims priority of application No. 201710093368.0 (CN), filed on Feb. 21, 2017; application No. 201710093369.5 (CN), filed on Feb. 21, 2017; and application No. 201710097151.7 (CN), filed on Feb. 22, 2017.
Prior Publication US 2019/0375646 A1, Dec. 12, 2019
Int. Cl. C01B 39/24 (2006.01); B01J 29/08 (2006.01); C10G 11/05 (2006.01); C01B 39/02 (2006.01); B01J 35/10 (2006.01); B01J 37/30 (2006.01)
CPC C01B 39/24 (2013.01) [B01J 29/084 (2013.01); B01J 29/088 (2013.01); B01J 35/1038 (2013.01); B01J 35/1061 (2013.01); B01J 35/1066 (2013.01); B01J 37/30 (2013.01); C01B 39/023 (2013.01); C10G 11/05 (2013.01); B01J 2229/16 (2013.01); B01J 2229/183 (2013.01); B01J 2229/186 (2013.01); B01J 2229/24 (2013.01); B01J 2229/32 (2013.01); B01J 2229/36 (2013.01); B01J 2229/42 (2013.01); C01P 2006/14 (2013.01); C01P 2006/17 (2013.01); C01P 2006/37 (2013.01)] 20 Claims
 
1. A modified Y-type molecular sieve, having a rare earth oxide content of about 4% to about 11% by weight, a magnesium oxide content of about 0.1% to about 4% by weight, a sodium oxide content of about 0.3% to about 0.8% by weight, a total pore volume of about 0.33 mL/g to about 0.39 mL/g, a percentage of a pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of the modified Y-type molecular sieve of about 10% to about 30%, a lattice constant of about 2.440 nm to about 2.455 nm, a percentage of non-framework aluminum content to the total aluminum content of the modified Y-type molecular sieve of no more than about 20%, and a lattice collapse temperature of not lower than about 1045° C.,
wherein the modified Y-type molecular sieve has a framework structure of zeolite Y.