US 12,420,274 B2
Method for treating or regenerating metal catalyst and application
Chao Lian, Beijing (CN); Yang Li, Beijing (CN); Jianxing Shi, Beijing (CN); Mengyun Wang, Beijing (CN); Hongchen Yang, Beijing (CN); Mingliang Deng, Beijing (CN); and Minduo Wang, Beijing (CN)
Assigned to BEIJING SINGLE ATOM SITE CATALYSIS TECHNOLOGY CO., LTD, Beijing (CN)
Appl. No. 18/259,970
Filed by BEIJING SINGLE ATOM SITE CATALYSIS TECHNOLOGY CO., LTD, Beijing (CN)
PCT Filed Dec. 21, 2021, PCT No. PCT/CN2021/139865
§ 371(c)(1), (2) Date Jun. 29, 2023,
PCT Pub. No. WO2022/143275, PCT Pub. Date Jul. 7, 2022.
Claims priority of application No. 202011637274.3 (CN), filed on Dec. 31, 2020; and application No. 202110354097.6 (CN), filed on Apr. 1, 2021.
Prior Publication US 2024/0091760 A1, Mar. 21, 2024
Int. Cl. B01J 38/08 (2006.01); B01J 21/04 (2006.01); B01J 21/08 (2006.01); B01J 23/10 (2006.01); B01J 23/26 (2006.01); B01J 23/34 (2006.01); B01J 23/60 (2006.01); B01J 23/80 (2006.01); B01J 23/89 (2006.01); B01J 29/74 (2006.01); B01J 37/02 (2006.01); B01J 37/08 (2006.01); B01J 37/18 (2006.01); B01J 38/02 (2006.01); B01J 38/10 (2006.01); B01J 38/12 (2006.01); C07C 5/32 (2006.01)
CPC B01J 38/08 (2013.01) [B01J 21/04 (2013.01); B01J 21/08 (2013.01); B01J 23/10 (2013.01); B01J 23/26 (2013.01); B01J 23/34 (2013.01); B01J 23/60 (2013.01); B01J 23/80 (2013.01); B01J 23/8913 (2013.01); B01J 23/8953 (2013.01); B01J 29/74 (2013.01); B01J 37/0201 (2013.01); B01J 37/082 (2013.01); B01J 37/18 (2013.01); B01J 38/02 (2013.01); B01J 38/10 (2013.01); B01J 38/12 (2013.01); C07C 5/325 (2013.01); C07C 2523/10 (2013.01); C07C 2523/24 (2013.01); C07C 2523/60 (2013.01); C07C 2523/80 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method for treating metallic catalyst comprising: treating metal supported catalyst with ammonia or nitrogen-containing organic at 10° C.-700° C., the metal supported catalyst is a Ma-Mb-Mc metal supported catalyst, wherein Ma is active metal which is selected from one or more of noble metal and transition metal, wherein the noble metal is selected from one or more mixtures of Pt, Au, Ru, Rh, Pd, Ir and Ag, the transition metal is selected from La, Fe, Co, Mn, Cr, Ni and Cu, the content of Ma is 0.01-5 wt % based on catalyst weight; Mb is selected from one or more combinations of Zn, Sn, Co and Al, the content of Mb is 0.1-20 wt % based on catalyst weight; Mc is selected from K, Na and a mixture thereof, the content of Mc is 0-2.0 wt %, and a support of the metal supported catalyst comprises alumina, silica-alumina, zirconia, cerium oxide, titanium oxide, or molecular sieves or the mixture thereof.