US 12,269,015 B2
Hydrogen chloride oxidation reaction catalyst for preparing chlorine, and preparation method therefor
Jeong Hwan Chun, Daejeon (KR); Young Jin Cho, Daejeon (KR); Won Yong Kim, Daejeon (KR); Eun Ji Woo, Daejeon (KR); and Ga Ram Lee, Daejeon (KR)
Assigned to HANWAH SOLUTIONS CORPORATION, Seoul (KR)
Appl. No. 17/416,514
Filed by HANWHA SOLUTIONS CORPORATION, Seoul (KR)
PCT Filed Dec. 10, 2019, PCT No. PCT/KR2019/017358
§ 371(c)(1), (2) Date Jun. 20, 2021,
PCT Pub. No. WO2020/130457, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 10-2018-0167858 (KR), filed on Dec. 21, 2018.
Prior Publication US 2022/0080395 A1, Mar. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01J 21/04 (2006.01); B01J 6/00 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 23/10 (2006.01); B01J 23/46 (2006.01); B01J 23/63 (2006.01); B01J 35/40 (2024.01); B01J 35/61 (2024.01); B01J 37/02 (2006.01); C01B 7/04 (2006.01)
CPC B01J 23/462 (2013.01) [B01J 6/001 (2013.01); B01J 21/063 (2013.01); B01J 35/40 (2024.01); B01J 35/613 (2024.01); B01J 35/615 (2024.01); B01J 37/0213 (2013.01); B01J 37/0236 (2013.01); C01B 7/04 (2013.01)] 3 Claims
 
1. A hydrogen chloride oxidation reaction catalyst for use in a method for preparing chlorine by oxidizing hydrogen chloride, wherein the catalyst includes 0.5-10 parts by weight of a heterogeneous material, 1-10 parts by weight of ruthenium oxide as an active ingredient, and 80-99 parts by weight of a support, based on 100 parts by weight of the total catalyst after drying,
wherein the heterogeneous material is ceria,
wherein the heterogeneous material and ruthenium oxide are supported together on the same support, and
wherein the support is titania.