| 摘要 |
PROBLEM TO BE SOLVED: To provide a particulate matter (PM) combustion catalyst wherein cost reduction can be achieved, and the PM combustion temperature can be lowered to a relatively low temperature.SOLUTION: A particulate matter (PM) combustion catalyst for combustion of PM discharged from a diesel engine contains cerium oxide and titanium oxide, wherein, relative to the total amount 100 pts.mass of cerium oxide and titanium oxide, the content of cerium oxide is 40 pts.mass or more and 80 pts.mass or less, and the content of titanium oxide is 20 pts.mass or more and 60 pts.mass or less.SELECTED DRAWING: None |
