| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of satisfactorily reducing particulate matter contained in exhaust gas down to nano particulate level. <P>SOLUTION: In an exhaust emission control device provided with a catalyst regeneration type particulate filter 10 in a middle of an exhaust pipe 9, an oxidation catalyst 12 for oxidation treatment of nano particulate contained in exhaust gas after passing through the particulate filter 10 is provided in a post-stage of the particulate filter 10, and an ozone generator 13 supplying ozone in a part between the oxidation catalyst 12 and the particulate filter 10 is provided. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
