Enhanced Activity of Fe-Doped Cu/H-Sep for the SCR of NO with Propylene in the Presence of Oxygen

Yang Li; Qing Ye; Zhi Hao Zhang; Yun Fang Qi; Li Sha Liu

doi:10.4028/www.scientific.net/AMM.700.261

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 700Enhanced Activity of Fe-Doped Cu/H-Sep for the SCR...

Enhanced Activity of Fe-Doped Cu/H-Sep for the SCR of NO with Propylene in the Presence of Oxygen

Abstract:

Cu/H-Sep and Cu-Fe/H-Sep samples were prepared by the incipient wetness impregnation method. These catalysts were characterized by means of XRF, XRD, BET, XPS, and H₂-TPR techniques, and their catalytic activities were performed by the SCR of NO with propylene. The results show that the Cu-Fe/H-Sep catalyst exhibited the best performance in the C₃H₆-SCR of NO. After investigation by H₂-TPR, XRD and XPS, the result showed that the higher reducibility, more amount of isolated Cu²⁺, higher dispersion of copper species, and stronger metal-support interaction were responsible for the excellent catalytic activity of Cu-Fe/H-Sep.