公开(公告)号：US11203011B2

公开(公告)日：2021-12-21

申请号：US16354406

申请日：2019-03-15

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jong Sik Kim ,  Heon Phil Ha ,  Dong Wook Kwon

IPC: B01J23/22 ,  B01J23/34 ,  B01J23/847 ,  B01D53/86 ,  B01D53/94 ,  B01J21/06 ,  B01J23/10 ,  B01J37/02 ,  B01J37/08 ,  B01J37/20

Abstract: Provided is a nitrogen oxide (NOX) reduction catalyst including an active site including at least one of a metal vanadate expressed by [Chemical Formula 1] and a metal vanadate expressed by [Chemical Formula 2], and a support for loading the active site thereon. (M1)XV2OX+5  [Chemical Formula 1] (where M1 denotes one selected from among manganese (Mn), cobalt (Co), and nickel (Ni), and X denotes a real number having a value between 1 and 3.) (M2)YVO4  [Chemical Formula 2] (where M2 denotes one selected from among lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu), and Y denotes a real number having a value between 0.5 and 1.5).