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    Determination of chlorine in solid fuels using an improved Eschka method

    Access Status
    Fulltext not available
    Authors
    Rahim, Usman
    Gao, Xiangpeng
    Wu, Hongwei
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Rahim, U. and Gao, X. and Wu, H. 2014. Determination of chlorine in solid fuels using an improved Eschka method. Fuel. 129: pp. 314-317.
    Source Title
    Fuel
    DOI
    10.1016/j.fuel.2014.03.070
    ISSN
    0016-2361
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/24480
    Collection
    • Curtin Research Publications
    Abstract

    Conventional Eschka method is a standard method for the determination of chlorine (Cl) in solid fuels. However, the method significantly underestimates the Cl contents in some low-rank solid fuels (e.g., biomass) due to the escape of Cl with flue gas from the Eschka combustion process. An improved Eschka method is developed to recover the escaped Cl in the flue gas via converting it into HCl(g) by flue gas re-combustion for capture and quantification. The improved Eschka method can accurately quantify Cl in a range of solid fuels studied (i.e., a mallee bark, a Victorian brown coal, a sub-bituminous coal, an anthracite coal, and a polyvinyl chloride), with a small relative standard error (±2%) and a low limit of quantification (0.015 mg/g fuel, dry basis) under present experimental conditions.

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