	US 11,806,696 B2
	Silicoaluminophosphate molecular sieve, its preparation and application thereof
Weimin Yang, Shanghai (CN); Zhiqing Yuan, Shanghai (CN); Jiawei Teng, Shanghai (CN); Wenhua Fu, Shanghai (CN); and Songlin Liu, Shanghai (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC, Shanghai (CN)
Appl. No. 17/288,889
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC, Shanghai (CN)
PCT Filed Sep. 19, 2019, PCT No. PCT/CN2019/106608 § 371(c)(1), (2) Date Apr. 26, 2021, PCT Pub. No. WO2020/082943, PCT Pub. Date Apr. 30, 2020.
Claims priority of application No. 201811250864.3 (CN), filed on Oct. 25, 2018.
Prior Publication US 2022/0001366 A1, Jan. 6, 2022
Int. Cl. B01J 29/85 (2006.01); C01B 37/08 (2006.01); B01J 20/02 (2006.01); B01J 37/04 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); C01B 39/54 (2006.01)

CPC B01J 29/85 (2013.01) [B01J 20/0292 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/082 (2013.01); C01B 39/54 (2013.01); C01P 2002/72 (2013.01)]

19 Claims

1. A silicoaluminophosphate molecular sieve having a schematic chemical composition, expressed on a molar basis, of mSiO₂·Al₂O₃·nP₂O₅, wherein m represents the molar ratio of SiO₂to Al₂O₃and is in a range of about 0.005 to about 0.15, n represents the molar ratio of P₂O₅to Al₂O₃and is in a range of about 0.7 to about 1.1, wherein the molecular sieve has an X-ray diffraction pattern exhibiting a relative intensity profile as shown in the following table:


	Interplanar spacing	Relative intensity
2 theta (°)	(Å)	(I/I₀) × 100

8.30-8.60	10.27-10.64	VS
13.67-14.00	6.32-6.44	VS
16.15-16.39	5.40-5.48	W-M
16.41-16.61	5.33-5.40	W-M
21.26-21.59	4.11-4.18	M
21.62-21.90	4.05-4.10	M-S
23.94-24.33	3.65-3.71	W-M.