Studebaker & Brackett PC
Exhaust gas purification catalyst and production method thereof
This catalyst includes a lower catalytic layer 2 having catalytic ability to oxidize HC and CO and an upper catalytic layer 3 having catalytic ability to reduce NOx. The lower catalytic layer 2 contains Pt and Pd acting as catalytic metals, zeolite, a Ce-containing oxide, and activated alumina, and the upper catalytic layer 3 contains activated alumina loading an Rh-doped Ce-containing oxide and an NOx storage material.
MAZDA MOTOR CORPORATION
B B F F B B Y B B B B B F B B B B F B B B B B B B B B B B
B01J B01J F01N F01N B01D B01J Y02T B01J B01J B01J B01J B01D F01N B01D B01D B01J B01D F01N B01J B01J B01D B01D B01J B01J B01J B01D B01D B01D B01D
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Masahiko Takashi Akihide Koichiro Yoshiyuki Hiroshi
Shigetsu Baba Takami Harada Sato Yamada