Abstract
A silica-pillared layered niobate (Si-Nb3O8) has been prepared by intercalating layered niobate with NH2(CH2)3Si(OEt)3. The results of XRD and BET measurement showed that the obtained product was a porous material with a high specific surface area and high thermal stability, and its layered structure remained unchanged after treatment with 5 vol% water vapor at 500 °C for 3 h. Using Si-Nb3O8 as support, a 2 wt% Cu/Si-Nb3O8 catalyst was prepared by impregnation of Cu(NO3)2 solution and the catalytic reduction of NO by CO was examined. The results showed that the catalyst had a good activity and selectivity, and the pretreatment of 5 vol% water vapor could obviously improve the conversion of NO reduction, while the selectivity of NO to N2 almost kept unchanged.
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Wang, X., Hou, W., Wang, H. et al. A Novel Catalyst for NO Reduction by CO. Catalysis Letters 82, 227–231 (2002). https://doi.org/10.1023/A:1020527214182
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DOI: https://doi.org/10.1023/A:1020527214182