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    Transformation of chlorine in NaCl-loaded Victorian brown coal during the gasification in steam

    Access Status
    Fulltext not available
    Authors
    Zhang, Shu
    Asadullah, M.
    Hocking, R.
    Lin, J.
    Li, Chun-Zhu
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhang, S. and Asadullah, M. and Hocking, R. and Lin, J. and Li, C. 2012. Transformation of chlorine in NaCl-loaded Victorian brown coal during the gasification in steam. Ranliao Huaxue Xuebao/Journal of Fuel Chemistry and Technology. 40 (12): pp. 1409-1414.
    Source Title
    Ranliao Huaxue Xuebao/Journal of Fuel Chemistry and Technology
    DOI
    10.1016/S1872-5813(13)60005-5
    ISSN
    0253-2409
    School
    Fuels and Energy Technology Institute
    URI
    http://hdl.handle.net/20.500.11937/24098
    Collection
    • Curtin Research Publications
    Abstract

    This study is to examine the changes in Cl volatilizations and chemical forms in NaCl-loaded Victorian brown coal during gasification in steam at 800°C using Cl K-edge X-ray absorption near-edge structure (XANES) spectroscopy. The char samples were prepared in a novel one-stage fluidised-bed/fixed-bed quartz reactor at a fast heating rate. The samples were then collected and sealed in an argon-filled bag in order to minimise possible oxidation of char and Cl by air prior to analysis by XANES. Char-steam reactions were found to significantly affect the transformation of Cl, including the possible formation of chlorine-containing organic structures. On the other hand, volatile-char interactions during the gasification appeared to enhance the Cl retention and prevent the formation of organic chlorine compounds in chars.

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