EXHAUST GAS PURIFYING CATALYST AND METHOD FOR PURIFYING EXHAUST GAS

An exhaust gas purifying catalyst, which can maintain high catalyst activity even after the exhaust gas purifying catalyst is exposed to an exhaust gas at a high temperature for a long period of time, is described. The exhaust gas purifying catalyst contains a Pd-Pr complex and PdO, and the Pd-Pr co...

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Hauptverfasser:	IKEDA, Masanori, GOTO, Hideki, ASHIKARI, Kenji, MINAMI, Shigekazu, NAKASHIMA, Masashi
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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Zusammenfassung:	An exhaust gas purifying catalyst, which can maintain high catalyst activity even after the exhaust gas purifying catalyst is exposed to an exhaust gas at a high temperature for a long period of time, is described. The exhaust gas purifying catalyst contains a Pd-Pr complex and PdO, and the Pd-Pr complex is represented by PraPdbOc, where a = 1 to 3, b = 1 to 10, and c = 1 to 6.