The Activities of NO Oxidation over the Pt/γ-Al2O3 Catalyst

Zhi Peng Deng; Jian Li; Hong He; Lu Di Zhang

doi:10.4028/www.scientific.net/AMM.281.385

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 281The Activities of NO Oxidation over the Pt/γ-Al2O3...

The Activities of NO Oxidation over the Pt/γ-Al₂O₃Catalyst

Abstract:

Pt catalysts were prepared by incipient wetness impregnation,It was investigated that the effects of the support and the loading of Pt on the activities of NO oxidation over supported Pt catalysts, The investigation indicates that Pt/γ-Al2O3 was better performance than Pt/ZrO2, Pt/CeO2, Pt/TiO2 and Pt/Ce0.4Zr0.6O2 on NO oxidation.The optimal Pt loading over Pt/r-Al2O3 was 1%, the NO conversion efficiency of 54.9% at 300°C, close to the conversion rate of thermodynamic equilibrium of the NO oxidation reaction.