| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust emission control device easily preparing a catalyst and having high exhaust emission control performance. <P>SOLUTION: This exhaust emission control device includes: a NOx storage reduction exhaust emission control catalyst having a first catalyst layer including K carried on a metal carrier; and a particulate filter arranged downstream of the NOx storage reduction exhaust emission control catalyst and having a second catalyst layer carried on a filter catching particulate matter in exhaustion. <P>COPYRIGHT: (C)2010,JPO&INPIT |
