US 12,275,004 B2
Catalyst for synthesizing dimethylether or methylacetate from synthetic gas, method for preparing the same, and method for preparing dimethylether or methylacetate using the same
Chae Hwan Hong, Seoul (KR); Jin Woo Choung, Suwon-si (KR); Young Gul Hur, Uiwang-si (KR); Jong Wook Bae, Suwon-si (KR); and Hyun Seung Jung, Suwon-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and RESEARCH &BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, Suwon (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, Suwon-si (KR)
Filed on Aug. 14, 2023, as Appl. No. 18/233,457.
Application 18/233,457 is a division of application No. 17/470,122, filed on Sep. 9, 2021, granted, now 11,767,285.
Claims priority of application No. 10-2021-0055654 (KR), filed on Apr. 29, 2021.
Prior Publication US 2023/0382843 A1, Nov. 30, 2023
Int. Cl. B01J 29/72 (2006.01); B01J 21/04 (2006.01); B01J 23/06 (2006.01); B01J 29/65 (2006.01); B01J 29/68 (2006.01); B01J 29/80 (2006.01); B01J 35/30 (2024.01); B01J 37/03 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); B01J 37/10 (2006.01); B01J 37/30 (2006.01); C07C 29/156 (2006.01); C07C 41/09 (2006.01); C07C 43/04 (2006.01); C07C 67/37 (2006.01)
CPC B01J 29/72 (2013.01) [B01J 21/04 (2013.01); B01J 23/06 (2013.01); B01J 29/65 (2013.01); B01J 29/68 (2013.01); B01J 29/80 (2013.01); B01J 35/395 (2024.01); B01J 37/035 (2013.01); B01J 37/04 (2013.01); B01J 37/082 (2013.01); B01J 37/10 (2013.01); B01J 37/30 (2013.01); C07C 29/156 (2013.01); C07C 41/09 (2013.01); B01J 2229/18 (2013.01); C07C 43/043 (2013.01); C07C 67/37 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A hybrid CZA/FER catalyst comprising:
a nanosheet ferrierite zeolite; and
a Cu—Zn—Al-based oxide supported on the nanosheet ferrierite zeolite;
wherein the nanosheet ferrierite zeolite has a shape in which one or more sheets having a thickness of about 5 nm to about 10 nm and a width of about 100 nm to about 150 nm are stacked; and
wherein an amount of weak acid sites in the nanosheet ferrierite measured through NH3-TPD analysis is about 0.562 mmol/gcat to about 0.736 mmol/gcat;
an amount of medium acid sites in the nanosheet ferrierite measured through NH3-TPD analysis is about 0.118 mmol/gcat to about 0.243 mmol/gcat;
an amount of strong acid sites in the nanosheet ferrierite measured through NH3-TPD analysis is about 0.423 mmol/gcat to about 0.552 mmol/gcat;
an amount of Brönsted acid sites in the nanosheet ferrierite measured through Py-IR analysis is about 0.126 mmol/gcat to about 0.266 mmol/gcat;
an amount of Lewis acid sites in the nanosheet ferrierite measured through Py-IR analysis is about 3.130×102 mmol/gcat to about 3.962×102 mmol/gcat; or
an amount of Brönsted acid sites in 8 membered-rings of the nanosheet ferrierite combined NH3-TPD and Py-IR analysis results is about 0.250 mmol/gcat to about 0.297 mmol/gcat.