Activities of different metal oxide catalysts on NO reduction and CO oxidation
by Jyh-Cherng Chen, Guor-Cheng Fang, Shiao-Shiang Shi
International Journal of Environment and Pollution (IJEP), Vol. 37, No. 1, 2009

Abstract: A series of transition metal oxide catalysts (Zn, Ti, Cu, Ni, Fe and V) supported on Al₂O₃ and SiO2 were prepared using the incipient wetness impregnation method. Their performances on NO reduction and CO oxidation followed the sequence of TiO₂ > CuO/ZnO > CuO > ZnO. TiO₂ supported on SiO₂ was more active than that on Al₂O₃, while ZnO had the opposite performances. The activities of CuO/Al₂O₃ and ZnO/SiO₂ were both decreased with the calcination temperature increasing because the sintering and agglomerations of catalysts were occurred at high temperature.

Online publication date: Mon, 06-Apr-2009

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