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    Copper-ion exchanged Ti-pillared clays for selective catalytic reduction of NO by propylene

    Access Status
    Fulltext not available
    Authors
    Lu, G.
    Li, Xin Yong
    Qu, Z.
    Zhao, Q.
    Zhao, L.
    Chen, G.
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Lu, G. and Li, X. and Qu, Z. and Zhao, Q. and Zhao, L. and Chen, G. 2011. Copper-ion exchanged Ti-pillared clays for selective catalytic reduction of NO by propylene. Chemical Engineering Journal. 168 (3): pp. 1128-1133.
    Source Title
    Chemical Engineering Journal
    DOI
    10.1016/j.cej.2011.01.095
    ISSN
    1385-8947
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/3335
    Collection
    • Curtin Research Publications
    Abstract

    Cu-ion-exchanged titanium-pillared clays (Cu-Ti-PILCs) were prepared using ion exchange strategy under different pH values and used for selective catalytic reduction (SCR) of NO by propylene. The influences of pH value on the catalytic performance and the nature of copper species were investigated. The results of activity test showed that the highest conversion of NO into N2 and the low-temperature activity increased with the increase of pH value up to 6, and then decreased with the further increase of pH value. The characterization results showed that the copper species were well dispersed over the prepared catalysts, and the different ratios of Cu2+/copper species existed over the studied catalysts. The Cu2+ species can enhance the low-temperature activity and the highest conversion of NO into N2. Moreover, the highest conversion of NO into N2 and low-temperature activity increased with the increase of the Cu2+/copper species rate. © 2011 Elsevier B.V.

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