US 11,833,489 B2
Catalyst for preparing 2,3,3,3,-tetrafluoropropene by gas-phase hydrodechlorination
Song Tian, Shaanxi (CN); Jian Lv, Shaanxi (CN); Wei Mao, Shaanxi (CN); Yanbo Bai, Shaanxi (CN); Zhaohua Jia, Shaanxi (CN); Bo Wang, Shaanxi (CN); Yue Qin, Shaanxi (CN); and Hui Ma, Shaanxi (CN)
Assigned to XI'AN MODERN CHEMISTRY RESEARCH INSTITUTE, Xi'an (CN)
Appl. No. 17/609,771
Filed by XI'AN MODERN CHEMISTRY RESEARCH INSTITUTE, Shaanxi (CN)
PCT Filed Jun. 1, 2020, PCT No. PCT/CN2020/093696
§ 371(c)(1), (2) Date Nov. 8, 2021,
PCT Pub. No. WO2020/224663, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 201910380027.0 (CN), filed on May 8, 2019.
Prior Publication US 2022/0219146 A1, Jul. 14, 2022
Int. Cl. B01J 23/755 (2006.01); B01J 21/08 (2006.01); B01J 21/18 (2006.01); B01J 23/28 (2006.01); B01J 23/30 (2006.01); B01J 23/883 (2006.01); B01J 27/125 (2006.01); B01J 27/138 (2006.01); B01J 35/10 (2006.01); C07C 17/25 (2006.01)
CPC B01J 23/755 (2013.01) [B01J 21/08 (2013.01); B01J 21/18 (2013.01); B01J 23/28 (2013.01); B01J 23/30 (2013.01); B01J 23/883 (2013.01); B01J 27/125 (2013.01); B01J 27/138 (2013.01); B01J 35/1014 (2013.01); B01J 35/1019 (2013.01); B01J 35/1023 (2013.01); B01J 35/1028 (2013.01); C07C 17/25 (2013.01)] 3 Claims
 
1. A catalyst for preparing 2,3,3,3-tetrafluoropropene by gas-phase hydrodechlorination, consisting of an active component and a carrier, wherein the active component is one selected from the group consisting of metal Ni, Mo, W, Co, Cr, Cu, Ce, La, Mn, Fe, and any combination thereof; the carrier is one selected from the group consisting of an oxide, activated carbon and a molecular sieve; wherein the active component accounts for 20%-50% of the total mass of the catalyst.