purification catalyst for exhaust gas, its method of production and purification catalyst for exhau

文件类型：PDF文档
文件大小：912K
A purification catalyst for exhaust gas which exhibits satisfactory performance even at a low temperature operation of starting or idling of engine (not more than 400°C), and a production method therefor are provided. The catalyst comprises an aluminum oxide supporting Pd, and the aluminum oxide is LnAlO 3 (Ln : rare-earth metal).