PURIFICATION CATALYST FOR EXHAUST GAS, PRODUCTION METHOD THEREFOR, AND PURIFICATION CATALYST EQUIP

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A catalyst for clarifying an exhaust gas containing an Al oxide and Pd carri ed thereon, characterized in that the Al oxide is an LnAlO3 (Ln : a rare earth metal); and a method for producing the catalyat. The catalyst for clarifying an exhaust gas exhibits satisfactory clarification performance also in the l ow temperature operation during idling (400~C or lower).