Patent ID: 7115236
Filing Date: 2006-10-03
Classification: B01D,B01J,H01M,Y02A,Y02E

Abstract:
1. An exhaust gas purifying method for a fuel cell vehicle, comprising: providing an exhaust gas purifying system for the fuel cell vehicle, the exhaust gas purifying system including a methane removal catalyst for accelerating oxidation of methane into hydrogen and carbon monoxide by an oxidizing agent comprising oxygen, the methane removal catalyst, comprising: wherein an oxygen excessive rate ζ of exhaust gas introduced to a region where the methane removal catalyst is disposed is set in a range from 50% to 98%, the oxygen excessive rate ζ being defined by a following formula (1): where C wherein a temperature of the exhaust gas introduced to the methane removal catalyst is controlled in a range from 200° C. to 600° C.