| 简介 |
A catalyst for exhaust gas purification that not only realizes simultaneous efficient purification, even at low temperature, with respect to nitrogen oxides, hydrocarbons and carbon monoxide contained in exhaust gas discharged from internal combustion engines of automobiles, etc. but also exhibits high durability. This catalyst for exhaust gas purification that not only realizes simultaneous efficient purification, even at low temperature, with respect to exhaust gas from automobiles, etc. but also exhibits high durability can be provided by effecting coexistence of a composite oxide containing a rare earth element and palladium, a rare earth oxide and a perovskite composite of the general formula LnAlO3 (wherein Ln is a rare earth element). |
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