CO CLEAN-UP CATALYST, AFTER TREATMENT SYSTEM AND AFTER TREATMENT METHOD

An after treatment method is disclosed. The after treatment method may include: operating an engine at a lean air/fuel ratio; calculating an amount of NH3 stored in an SCR catalyst; calculating an amount of NOx which will flow into the SCR catalyst; determining whether conversion to a rich air/fuel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jung, ChangHo, Kim, Chang Hwan, Joo, Nahm Roh
Format: Patent
Sprache:eng
Schlagworte:
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