CARRIED METAL CATALYST MANUFACTURING METHOD AND NOx OCCLUSION REDUCTION-TYPE EXHAUST EMISSION CONTROL CATALYST CONTAINING THE CARRIED METAL CATALYST MANUFACTURED BY THE METHOD

PROBLEM TO BE SOLVED: To provide a carried metal catalyst for carrying a metal or a metal compound finely with a high degree of dispersion on a metal oxide carrier. SOLUTION: The carried metal catalyst manufacturing method includes (a) a process of surface-treating a metal oxide carrier with a solut...

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Bibliographische Detailangaben
Hauptverfasser:	SOFUE YUICHI, HIRATA HIROTO
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a carried metal catalyst for carrying a metal or a metal compound finely with a high degree of dispersion on a metal oxide carrier. SOLUTION: The carried metal catalyst manufacturing method includes (a) a process of surface-treating a metal oxide carrier with a solution containing a compound having at least two carboxyl groups and bind at least one of the carboxyl groups to the metal oxide carrier, (b) a process of immersing the surface-treated metal oxide carrier in a solution containing ions of the carried metal and binding the metal ions to at least one of the remaining carboxyl groups of the compound and (c) a process of drying and calcining the product of the process (b) to remove the compound. COPYRIGHT: (C)2009,JPO&INPIT