CATALYST FOR THE REMOVAL OF NITROGEN OXIDES AND METHOD FOR THE REMOVAL OF NITROGEN OXIDES WITH THE SAME

The present invention provides a catalyst which can sufficiently remove nitrogen oxides in an exhaust gas. The catalyst for removing nitrogen oxides to achieve an object of the present invention includes a monolithic support which is coated with a lower layer containing a catalytic component A compr...

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Bibliographische Detailangaben
Hauptverfasser:	OKUMURA, AKIHISA, NAKANE, TAKUJI, KATO, NAOHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention provides a catalyst which can sufficiently remove nitrogen oxides in an exhaust gas. The catalyst for removing nitrogen oxides to achieve an object of the present invention includes a monolithic support which is coated with a lower layer containing a catalytic component A comprising cerium oxide and an upper layer containing a catalytic component B comprising at least one kind of metal selected from a group consisting of copper, manganese, iron, cobalt and nickel or a compound thereof, and zeolite.