NON-PGM AMMONIA SLIP CATALYST

An ammonia slip catalyst having an SCR catalyst and an oxidation catalyst, the SCR catalyst comprising a molecular sieve or a vanadium/titania SCR catalyst, the oxidation catalyst comprising a first metal, which is copper and a second metal, which is manganese, where the ammonia slip catalyst does n...

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Bibliographische Detailangaben
Hauptverfasser:	DOURA, Kevin, ANDERSEN, Paul
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	An ammonia slip catalyst having an SCR catalyst and an oxidation catalyst, the SCR catalyst comprising a molecular sieve or a vanadium/titania SCR catalyst, the oxidation catalyst comprising a first metal, which is copper and a second metal, which is manganese, where the ammonia slip catalyst does not comprise a platinum group metal. The ammonia slip catalyst can have dual layers, with one of the layers containing an SCR catalyst, a second layer containing the oxidation catalyst. Methods of making and using the ammonia slip catalyst to reduce ammonia slip are described.