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    Structural sensitivity of mesoporous alumina for copper catalyst loading used for NO reduction in presence of CO

    Access Status
    Fulltext not available
    Authors
    Patel, A.
    Shukla, P.
    Chen, J.
    Rufford, T.
    Wang, Shaobin
    Rudolph, V.
    Zhu, Z.
    Date
    2015
    Type
    Journal Article
    
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    Citation
    Patel, A. and Shukla, P. and Chen, J. and Rufford, T. and Wang, S. and Rudolph, V. and Zhu, Z. 2015. Structural sensitivity of mesoporous alumina for copper catalyst loading used for NO reduction in presence of CO. Chemical Engineering Research and Design. 101: pp. 27-43.
    Source Title
    Chemical Engineering Research and Design
    DOI
    10.1016/j.cherd.2015.03.027
    ISSN
    0263-8762
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/28156
    Collection
    • Curtin Research Publications
    Abstract

    Copper oxide supported on mesoporous alumina pre-treated at different temperatures was examined for catalytic reduction (SCR) of NO with CO. About 4.5% copper oxide was loaded on mesoporous alumina using wet impregnation method. Detailed investigations concluded that the activity of Cu/m-Al2O3 is strongly influenced by the active Cu phase present on bulk copper aluminate. The Copper phase on the catalyst was strongly affected by pre-treatment temperature of the host material. The optimal pre-treatment temperature of the support was found to be around 900 °C. The reaction mechanism on the catalyst surface was suitably described using L-H mechanistic model with the reduced Cuδ+ sites generated on the catalyst surface post CO oxidation playing a critical role in NO reduction.

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