EXHAUST GAS PURIFYING CATALYST AND METHOD FOR PRODUCING SAME

An exhaust gas purifying catalyst includes: plural catalyst units containing anchor particles supporting noble metal particles thereon; and an enclosure material enclosing the plural catalyst units and separating the catalyst units from one another. The anchor particles and the enclosure material bo...

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Bibliographische Detailangaben
Hauptverfasser:	SHIRATORI, KAZUYUKI, HIRAMOTO, YOSHIAKI, SHIBAYAMA, HARUHIKO
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:	An exhaust gas purifying catalyst includes: plural catalyst units containing anchor particles supporting noble metal particles thereon; and an enclosure material enclosing the plural catalyst units and separating the catalyst units from one another. The anchor particles and the enclosure material both contain at least one of an alkali element and an alkaline-earth element. The exhaust gas purifying catalyst having this configuration can prevent aggregation of the noble metal particles and keep exhaust gas purifying performance even when the use environment temperature is high.