Patent ID: 9144795
Filing Date: 2015-09-29
Classification: B01D,B01J,F01N,Y02T,Y10S,Y10T

Abstract:
1. A catalyst article comprising a wall flow monolith and a catalytic material, wherein the wall flow monolith has a plurality of longitudinally extending passages formed by longitudinally extending walls bounding and defining said passages, wherein the passages comprise inlet passages having an open inlet end and a closed outlet end, and outlet passages having a closed inlet end and an open outlet end, the wall flow monolith has a porosity of from 60% to 75% and an average pore size of from 10 to 30 microns, and the wall flow monolith contains the catalytic material; wherein the catalytic material comprises an SCR catalyst composition including a washcoat of a zeolite and base metal selected from copper, the SCR catalyst composition permeating the walls at a loading up to 2.4 g/in