Catalyst system for the reduction of NOx

Catalyst system for the reduction of NOx

A catalyst system comprising a catalyst and a reductant is disclosed. The catalyst comprises a metal oxide catalyst support, a catalytic metal oxide, and a promoting metal. The catalytic metal oxide comprises gallium oxide, indium oxide or a combination of the two. The promoting metal comprises at l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MALE JONATHAN LLOYD, CHEN KAIDONG, BUDESHEIM ERIC, PALMATIER ALISON LIANA, HANCU DAN, SOLOVEICHIK GRIGORII LEV, ROCHA TERESA GROCELA, SIMON AARON JOSEPH, REDLINE JENNIFER KATHLEEN
Format: Patent
Sprache:eng
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:A catalyst system comprising a catalyst and a reductant is disclosed. The catalyst comprises a metal oxide catalyst support, a catalytic metal oxide, and a promoting metal. The catalytic metal oxide comprises gallium oxide, indium oxide or a combination of the two. The promoting metal comprises at least one of silver, cobalt, vanadium, molybdenum, tungsten, zinc, tin and bismuth. The catalyst comprises about 5 to about 31 mol % catalytic metal oxide and about 0.5 to about 9 mol % promoting metal. The reductant comprises a fluid hydrocarbon having at least 4 carbon atoms. Also disclosed is a process for reducing NOx to N2 using the disclosed catalyst system by mixing NOx with a reductant and passing the mixture through a catalyst of the disclosed catalyst system.