| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst effective for purifying a diesel automobile exhaust gas which performs the purification treatment of the diesel automobile exhaust gas efficiently by overcoming the conventional difficulties in the purification. <P>SOLUTION: The catalyst for purifying the lean burn automobile exhaust gas purifies the lean burn exhaust gas using the composite catalyst comprised of a catalyst keeping a platinum group element carried by a mesoporous material and a cation exchange clinoptilolite and/or a cation exchange erionite. <P>COPYRIGHT: (C)2010,JPO&INPIT |
