<p>The invention teaches a method of desulphating a NOx trap, which comprises passing a reducing gas through the NOx trap while it is operating at a temperature in excess of a predetermined minimum, wherein the conditions necessary for desulphation are maintained for a length of time that is predetermined in dependence solely upon the temperature of the NOx trap during the desulphation process.</p>
申请公布号
WO2004053314(A1)
申请公布日期
2004.06.24
申请号
WO2003GB04582
申请日期
2003.10.24
申请人
FORD GLOBAL TECHNOLOGIES, LLC;COLLIER, ANTHONY;BROGAN, MARK;SKIPP, DAVID;RETMAN, PHILIP
发明人
COLLIER, ANTHONY;BROGAN, MARK;SKIPP, DAVID;RETMAN, PHILIP