EXHAUST GAS PURIFICATION CATALYST

An exhaust gas purification catalyst includes: a lower catalyst layer that contains a ceria-zirconia mixed oxide having 50 to 70 mass % of CeO2 and 5 mass % or more of Pr2O3 and carries at least one of Pt and Pd; and an upper catalyst layer that contains at least zirconia and carries at least Rh, wh...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SATOU, AKEMI, KAWAMURA, YUSUKE, FUJIWARA, TAKAHIKO, TAKAHASHI, NAOKI, SUZUKI, TADASHI, HIRAKU, KEIZO, TAKEUCHI, MASAHIKO
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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