| 简介 |
PROBLEM TO BE SOLVED : To heighten sulfur poisoning resistance of a particulate filter with a catalyst.SOLUTION : The catalyst of a particulate filter with a catalyst includes an Ag-supported Zr-based complex oxide in which Ag 24 is supported on a Zr-based complex oxide 21 containing Zr and a rare earth element other than Ce, and a Pt-supported Zr-based complex oxide in which Pt is supported on the Zr-based complex oxide 21, and a sulfur poisoning suppression material 26 for suppressing sulfur poisoning of Ag 24 is supported on the Ag-supported Zr-based complex oxide.SELECTED DRAWING : Figure 5 |
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