EXHAUST GAS CLEANING CATALYST, ITS PRODUCTION METHOD, AND EXHAUST GAS CLEANING CATALYST APPARATUS

文件类型：PDF文档
文件大小：84K
PROBLEM TO BE SOLVED : To provide an exhaust gas cleaning catalyst exhibiting sufficient performance even during low temperature (400°C or lower) operation at starting of an automobile or idling by enhancing activity of noble metal itself and preventing reduction of the activity at high temperature. SOLUTION : Al oxide is carried with Pd oxide and the Pd oxide is A2PdO3 (A : alkaline earth element).