Patent ID: 7316106
Filing Date: 2008-01-08
Classification: F01N,Y02T

Abstract:
1. A method of processing a composition comprising soot particles and NOx, the method comprising: flowing a composition comprising soot particles and gaseous components through a conduit in a flow direction, the gaseous components comprising NOx compounds, which comprise NO and NO filtering the soot particles with a filter located in the conduit while passing most of the gaseous components through the filter, the soot particles comprising hydrocarbons that may not pass through the filter; removing at least part of the filtered soot particles from the filter by an oxidation reaction of some or all of the hydrocarbons, which are broken into smaller molecules that can pass through the filter; adsorbing at least part of the NOx compounds with an adsorber located in the conduit past the filter in the flow direction; and converting at least part of the adsorbed NOx compounds to N