-
公开(公告)号:US20230149907A1
公开(公告)日:2023-05-18
申请号:US17912151
申请日:2021-04-02
Applicant: CATALER CORPORATION
Inventor: Takuto ARAKAWA , Yuya KAWANO , Tsubasa NANJO , Yoshinori YAMASHITA
CPC classification number: B01J23/76 , B01D53/9418 , B01J21/04 , B01J29/723 , B01D2255/50 , B01D2255/2092 , B01D2255/20738 , B01D2255/20761 , B01D2257/402 , B01D2258/012
Abstract: A gas purification catalyst device comprises: a substrate; and one or more catalyst layers on the substrate. Among the one or more catalyst layers, at least one catalyst layer contains both Cu-CHA-type zeolite particles and iron-supporting metal oxide particles in which iron is supported on metal oxide particles.
-
公开(公告)号:US20230076536A1
公开(公告)日:2023-03-09
申请号:US17801349
申请日:2021-02-10
Applicant: CATALER CORPORATION
Inventor: Tsubasa NANJO , Yuya KAWANO , Takuto ARAKAWA , Yoshinori YAMASHITA , Shunsuke OHISHI , Ryosuke TAKASU
Abstract: An exhaust gas purification catalyst device including a substrate and an SCR catalyst layer on the substrate, the substrate containing catalyst precious metal particles directly supported on the substrate, the catalyst precious metal particles containing Pt, and the catalyst precious metal particles having an average particle diameter of 30 to 120 nm inclusive.
-
公开(公告)号:US20220203345A1
公开(公告)日:2022-06-30
申请号:US17606238
申请日:2020-04-30
Applicant: CATALER CORPORATION
Inventor: Yoshinori YAMASHITA
Abstract: An ammonia oxidation catalyst device, including a substrate, a first catalyst coat layer and a second catalyst coat layer, wherein: the first catalyst coat layer includes inorganic oxide particles and a catalytic noble metal supported on the inorganic oxide particles; the second catalyst coat layer includes an NOx selective reduction catalyst and a proton zeolite H-Zeolite; the first catalyst coat layer is present on the substrate; and the second catalyst coat layer is present on the first catalyst coat layer.
-
-