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    Removal of phenol using sulphate radicals activated by natural zeolite-supported cobalt catalysts

    194244_194244 Wang.pdf (450.4Kb)
    Access Status
    Open access
    Authors
    Muhammad, Syaifullah
    Saputra, E.
    Sun, Hongqi
    Ang, Ha-Ming
    Tade, Moses
    Wang, Shaobin
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Muhammad, Syaifullah and Saputra, Edy and Sun, Hongqi and Ang, H.M. and Tade, Moses O. and Wang, Shaobin. 2013. Removal of phenol using sulphate radicals activated by natural zeolite-supported cobalt catalysts. Water Air and Soil Pollution. 224: pp. 1721/1-9.
    Source Title
    Water Air and Soil Pollution
    DOI
    10.1007/s11270-013-1721-z
    ISSN
    0049-6979
    Remarks

    The final publication is available at Springer via http://doi.org/10.1007/s11270-013-1721-z

    URI
    http://hdl.handle.net/20.500.11937/2961
    Collection
    • Curtin Research Publications
    Abstract

    Two Co oxide catalysts supported on natural zeolites from Indonesia (INZ) and Australia (ANZ) were prepared and used to activate peroxymonosulphate for degradation of aqueous phenol. The two catalysts were characterized by several techniques such as X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy (EDS) and N2 adsorption. It was found that Co/INZ and Co/ANZ are effective in activation of peroxymonosulphate to produce sulphate radicals for phenol degradation. Co/INZ and Co/ANZ could remove phenol up to 100 and 70 %, respectively, at the conditions of 25 ppm phenol (500 mL), 0.2 g catalyst, 1 g oxone and 25 °C. Several parameters such as amount of catalyst loading, phenol concentration, oxidant concentration and temperature were found to be the key factors influencing phenol degradation. A pseudo first order would fit to phenol degradation kinetics, and the activation energies on Co/INZ and Co/ANZ were obtained as 52.4 and 61.3 kJ/mol,respectively.

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