Title:
CATALYST POWDER AND CATALYST FOR CLEANING EXHAUST GAS
Document Type and Number:
Japanese Patent JP2003245553
Kind Code:
A
Abstract:
To provide catalyst powder that is excellent in heat resistance by preventing the sintering of an activated alumina and a noble metal, and to provide a catalyst for cleaning an exhaust gas.
The catalyst powder 1 is prepared by mixing a first catalyst powder 7 having a noble metal such as rhodium 5 supported on a first catalyst support 3 comprising alumina, zirconia and a precious metal with a second catalyst powder 17 having the noble metal such as platinum 15 supported on a second catalyst powder 13 comprising alumina, a Ce-Zr composite oxide and a rare earth metal. The catalyst using the catalyst powder is also provided.
Inventors:
YAMAMOTO YUKIO
KONAGAI NOBUTOSHI
KIMATA FUMIKAZU
KONAGAI NOBUTOSHI
KIMATA FUMIKAZU
Application Number:
JP2002045689A
Publication Date:
September 02, 2003
Filing Date:
February 22, 2002
Export Citation:
Assignee:
SUZUKI MOTOR CO
International Classes:
B01D53/94; B01D53/86; B01J23/58; B01J23/63; (IPC1-7): B01J23/63; B01D53/86; B01D53/94; B01J23/58
Attorney, Agent or Firm:
Okuyama Shoichi (2 outside)
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