US 12,440,826 B2
Nitrogen-phosphorus-modified granular carbon-supported bimetallic catalyst, preparation method therefor and use thereof
Wucan Liu, Hangzhou (CN); Ling Li, Hangzhou (CN); Chaofeng Ma, Hangzhou (CN); Nengfu Shi, Hangzhou (CN); Jiamin Jin, Hangzhou (CN); Xiaonian Li, Hangzhou (CN); Chunshan Lu, Hangzhou (CN); and Juanjuan Nie, Hangzhou (CN)
Assigned to ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD., Hangzhou (CN); ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD., Hangzhou (CN); and SINOCHEM LANTIAN CO., LTD., Hangzhou (CN)
Appl. No. 17/637,922
Filed by Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd., Hangzhou (CN); Zhejiang Research Institute of Chemical Industry Co., Ltd., Hangzhou (CN); and Sinochem Lantian Co., Ltd., Hangzhou (CN)
PCT Filed Nov. 27, 2020, PCT No. PCT/CN2020/132180
§ 371(c)(1), (2) Date Feb. 24, 2022,
PCT Pub. No. WO2021/104437, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 201911197347.9 (CN), filed on Nov. 29, 2019; application No. 201911197353.4 (CN), filed on Nov. 29, 2019; and application No. 201911197635.4 (CN), filed on Nov. 29, 2019.
Prior Publication US 2022/0280920 A1, Sep. 8, 2022
Int. Cl. B01J 21/18 (2006.01); B01J 23/06 (2006.01); B01J 23/14 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/60 (2006.01); B01J 23/62 (2006.01); B01J 23/72 (2006.01); B01J 23/80 (2006.01); B01J 23/85 (2006.01); B01J 23/89 (2006.01); C07C 17/23 (2006.01)
CPC B01J 23/40 (2013.01) [B01J 23/06 (2013.01); B01J 23/14 (2013.01); B01J 23/72 (2013.01); C07C 17/23 (2013.01)] 17 Claims
 
1. A nitrogen-phosphorus-modified granular carbon-supported bimetallic catalyst, wherein the catalyst comprises a nitrogen-phosphorus-modified carbon carrier and metal particles supported on the carbon carrier, and the metal particles include first metal elementary substance particles, second metal elementary substance particles and bimetallic alloy phase particles, the percentage of the bimetallic alloy phase particles in the metal particles is ≥80%, and at least 90% of the alloy phase particles have a size of 1 nm to 20 nm.