EXHAUST GAS PURIFICATION CATALYST DEVICE

EXHAUST GAS PURIFICATION CATALYST DEVICE

An exhaust gas purification catalyst device including a substrate and an SCR catalyst layer on the substrate, the substrate containing catalyst precious metal particles directly supported on the substrate, the catalyst precious metal particles containing Pt, and the catalyst precious metal particles...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKASU, Ryosuke, ARAKAWA, Takuto, NANJO, Tsubasa, OHISHI, Shunsuke, KAWANO, Yuya, YAMASHITA, Yoshinori
Format: Patent
Sprache:eng
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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Beschreibung
Zusammenfassung:An exhaust gas purification catalyst device including a substrate and an SCR catalyst layer on the substrate, the substrate containing catalyst precious metal particles directly supported on the substrate, the catalyst precious metal particles containing Pt, and the catalyst precious metal particles having an average particle diameter of 30 to 120 nm inclusive.