Patent ID: 8052936
Filing Date: 2011-11-08
Classification: B01D,B01J

Abstract:
1. A catalyst-supported particulate filter in which a catalyst is supported on walls of exhaust gas channels of a filter body capable of trapping particulates exhausted from an engine, wherein the catalyst contains a mixture of activated alumina particles carrying a catalytic metal, CeZr-based mixed oxide particles containing Ce and Zr and ZrNd-based mixed oxide particles containing Zr, Nd and a rare earth metal M other than Ce and Nd, the proportion of the total amount of the CeZr-based mixed oxide particles and the ZrNd-based mixed oxide particles in the total amount of the activated alumina particles and the CeZr-based mixed oxide particles and the ZrNd-based mixed oxide particles is 10% to 60% by mass, both inclusive, and the mass ratio of the amount of the CeZr-based mixed oxide particles to the amount of the ZrNd-based mixed oxide particles is 20/80 to 80/20, both inclusive.