| abstract |
The invention belongs to the technical field of diesel vehicle exhaust pollution treatment, and in particular relates to a catalyst for removing particulate matter in diesel vehicle exhaust, comprising a carrier and a catalyst coating applied on the carrier, wherein the coating amount of the catalyst coating is 5 ~40 g/L, the catalyst coating includes mixed phase oxide SmSrCeMn 7 O 14.83 , Pt-loaded alumina, Pd-loaded ceria. In addition, the present invention also relates to a preparation method of a catalyst for removing particulate matter in diesel vehicle exhaust. Compared with the prior art, the catalyst prepared by the present invention has better stability and good carbon particle oxidizing ability. |