Recently, reduction of CO and THC, as well as the DOC will be used for the regeneration of the DPF. DOC deactivated by repetitive regeneration and the deactivation progresses, depending on the conversion decrease of CO, THC and NO. The metal DOC In th...
Recently, reduction of CO and THC, as well as the DOC will be used for the regeneration of the DPF. DOC deactivated by repetitive regeneration and the deactivation progresses, depending on the conversion decrease of CO, THC and NO. The metal DOC In this study used washcoat on a metal mesh plate is raised. Deactivated rapidly up to 10 hours of hydrothermal deterioration after 25, 45 hours in the deactivation rate was reduced. Results of the TEM analysis, Pt particle size increased according to the increase of the temperature and time of hydrothermal aging, this reason is due to sintering, migration and agglomeration of Pt particles.