| 简介 |
PROBLEM TO BE SOLVED : To provide a catalytic material for efficiently burning a particulate matter discharged from a diesel engine or the like.SOLUTION : The catalytic material is obtained by mixing the primary particle 11 of a compound oxide with the primary particle 12 of a noble metal and forming a secondary particle 13 to be coagulated. At least a part of the primary particle 12 of the noble metal is exposed to the surface of the secondary particle 13. The compound oxide contains Zr, Nd and an alkaline-earth metal and a metallic element being the main component thereof is Zr.COPYRIGHT : (C)2013, JPO&INPIT |
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