Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Patent
1996-11-06
2000-10-17
Dunn, Tom
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
502 64, 502 66, 502 74, B01J 2906
Patent
active
061331856
ABSTRACT:
An exhaust gas purifying catalyst, for reducing nitrogen oxides and ammonia in an exhaust gas of an internal combustion engine, in an oxidizing atmosphere, is provided. The exhaust gas purifying catalyst comprises a first catalyst having zeolite carrying platinum and copper thereon. Preferably, the exhaust gas purifying catalyst further comprises a second catalyst having zeolite carrying copper thereon. Preferably, the second catalyst is arranged upstream of the first catalyst, with respect to the exhaust gas flow.
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Hayashi Takahiro
Igarashi Kouhei
Itou Takaaki
Kanazawa Takaaki
Kinugasa Yukio
Dunn Tom
Kabushiki Kaisha Toyota Chuo Kenkyusho
Toyota Jidosha & Kabushiki Kaisha
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