| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst for cleaning an exhaust gas suppressing sintering by covering a noble metal with a covering substance and also having excellent catalytic performance, and to provide a method for efficiently cleaning an exhaust gas of an internal combustion engine using the catalyst for cleaning the exhaust gas. <P>SOLUTION: In the catalyst for cleaning the exhaust gas, a composite body comprising the noble metal 2 and cerium oxide 3 is covered by lanthanum-containing alumina 1. <P>COPYRIGHT: (C)2010,JPO&INPIT |
