US 12,296,326 B2
Catalyst for synthesis of hydrogen peroxide and recovery, and method of preparing same
Dong Kun Kang, Gyeonggi-do (KR); Young Ho Lee, Gyeonggi-do (KR); and Young-San Yoo, Incheon (KR)
Assigned to HEESUNG CATALYSTS CORPORATION, Gyeonggi-do (KR)
Appl. No. 17/619,701
Filed by HEESUNG CATALYSTS CORPORATION, Gyeonggi-do (KR)
PCT Filed Jun. 9, 2020, PCT No. PCT/KR2020/007437
§ 371(c)(1), (2) Date Dec. 16, 2021,
PCT Pub. No. WO2020/256328, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 10-2019-0074204 (KR), filed on Jun. 21, 2019.
Prior Publication US 2022/0331789 A1, Oct. 20, 2022
Int. Cl. B01J 35/30 (2024.01); B01J 23/58 (2006.01); B01J 23/63 (2006.01); B01J 35/51 (2024.01); B01J 37/02 (2006.01); B01J 37/08 (2006.01); C01B 15/023 (2006.01)
CPC B01J 35/396 (2024.01) [B01J 23/58 (2013.01); B01J 23/63 (2013.01); B01J 35/399 (2024.01); B01J 35/51 (2024.01); B01J 37/0201 (2013.01); B01J 37/08 (2013.01); C01B 15/023 (2013.01); B01J 2523/22 (2013.01); B01J 2523/3712 (2013.01); B01J 2523/824 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A catalyst applied to a hydrogenation step of producing hydrogen peroxide using an anthraquinone method, wherein the catalyst comprises a palladium component distributed in a ring shape around an alumina sphere and wherein a magnesium component and a cerium component are uniformly distributed in the alumina sphere, and
wherein the ring shape is 5 to 8 μm away from a surface of the alumina sphere and formed to have a thickness of 10 to 20 μm.