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    Preparation and characterization of Ni-Ti-O mixed oxide for selective catalytic reduction of NO under lean-burn conditions

    Access Status
    Fulltext not available
    Authors
    Yuan, D.
    Li, Xin Yong
    Zhao, Q.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Yuan, D. and Li, X.Y. and Zhao, Q. 2013. Preparation and characterization of Ni-Ti-O mixed oxide for selective catalytic reduction of NO under lean-burn conditions. Cuihua Xuebao/Chinese Journal of Catalysis. 34 (7): pp. 1449-1455.
    Source Title
    Cuihua Xuebao/Chinese Journal of Catalysis
    ISSN
    0253-9837
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/12180
    Collection
    • Curtin Research Publications
    Abstract

    A novel Ni-Ti-O mixed-oxide catalyst was prepared by a homogeneous coprecipitation method and tested in the selective catalytic reduction of NO by propene (C3H6-SCR) in the presence of excess O2. Catalysts with different molar ratios of Ni-Ti were characterized using X-ray diffraction, N2 adsorption-desorption, pyridine adsorption, temperature-programmed desorption, and in-situ Fourier-transform infrared spectroscopy. The Ni1Ti1 catalyst showed good activity in C3H6-SCR at 430°C and the NOx conversion achieved 68%. This catalyst displayed an anatase structure and had a high surface area (149 m2/g), which is helpful to enhance the catalyst activity. Lewis acid sites were beneficial for adsorbing nitrate, which was the main intermediate produced during the SCR of NO by C3H6. © 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

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