B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/94 (2006.01) B01J 23/10 (2006.01) B01J 29/06 (2006.01) B01J 29/72 (2006.01) F01N 3/023 (2006.01) F01N 3/035 (2006.01) B01J 29/08 (2006.01) B01J 29/18 (2006.01) B01J 29/40 (2006.01)
Patent
CA 2376200
The present invention relates to a method and article for treating a diesel engine exhaust stream. The stream is contacted with an upstream catalytic composition having a cerium component and/or a zeolite component to reduce the quantity and amount of the particulate matter in the exhaust stream. The stream passes from the upstream catalytic composition to a particulate filter located downstream from the upstream catalytic composition.
Cette invention se rapporte à un procédé et à un article servant à traiter le flux d'échappement d'un moteur diesel. Ce flux est mis en contact avec une composition catalytique en amont contenant un constituant au cérium et/ou un constituant à la zéolite, en vue de réduire la quantité et le volume de matière particulaire contenue dans le flux d'échappement. Ledit flux passe ensuite de la composition catalytique en amont à un filtre particulaire situé à aval par rapport à la composition catalytique en amont.
Dettling Joseph C.
Gorel Alexander
Kakwani Ramesh
Lui Yiu Kwan
Rice Gary W.
Engelhard Corporation
Sim & Mcburney
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