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    Photo-oxidation of gas-phase cyclohexane species over nanostructured TiO2 fabricated by different strategies

    Access Status
    Fulltext not available
    Authors
    Zheng, C.
    Li, Xin Yong
    Zhao, Q.
    Qu, Z.
    Quan, X.
    Date
    2009
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Zheng, C. and Li, X.Y. and Zhao, Q. and Qu, Z. and Quan, X. 2009. Photo-oxidation of gas-phase cyclohexane species over nanostructured TiO2 fabricated by different strategies. Separation and Purification Technology. 67 (3): pp. 326-330.
    Source Title
    Separation and Purification Technology
    DOI
    10.1016/j.seppur.2009.03.043
    ISSN
    1383-5866
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/28596
    Collection
    • Curtin Research Publications
    Abstract

    TiO2 photocatalyst Degussa P25 was modified by three methods: SO42- acidification (labeled as STH), SO42- acidification combined with microwave irradiation (labeled as STW), and microwave irradiation (labeled as WT), respectively. FT-IR and XRD were used to characterize the structural properties of these TiO2 samples, whereas surface photovoltage spectroscopy (SPS) provided important information on the photoelectric properties. The photo-oxidation of gaseous cyclohexane over P25, STH, STW and WT was monitored by in-situ infrared technology. The experimental results demonstrated that the modified TiO2 samples were more active than the original P25 and followed this order: WT > STW > STH > P25. During the photocatalytic oxidation of cyclohexane over WT, cyclohexane was mineralized into carbon dioxide and water. Moreover, CO was also produced in small amount. © 2009 Elsevier B.V. All rights reserved.

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