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    An in-bath liquidus measurement for molten salts and slags

    Access Status
    Fulltext not available
    Authors
    Grimsey, Eric
    Li, N.
    Yan, Y.
    Warczok, A.
    Utigard, T.A.
    Date
    1996
    Type
    Conference Paper
    
    Metadata
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    Citation
    Grimsey, E.J. and Li, N. and Yan, Y. and Warczok, A. and Utigard, T.A. 1996. An in-bath liquidus measurement for molten salts and slags. In Light metals 1996: proceedings of the technical sessions presented by the TMS Light Metals Committee at the 125th TMS Annual Meeting, 4-8 Feb 1996, Anaheim, California.
    Source Title
    Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania)
    Additional URLs
    https://www.tms.org/portal/PUBLICATIONS/Proceedings___Other_Resources/Light_Metals_Library/portal/Publications/Proceedings___Other_Resources/LMDL/Light_Metals_Library.aspx
    ISBN
    9780873393126
    ISSN
    1096-9586
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/81585
    Collection
    • Curtin Research Publications
    Abstract

    A technique is being developed to provide a rapid in-bath measurement of the liquidus temperature for salts and metallurgical slags. A copper or nickel cylinder is immersed into a molten bath and a computer based data-logging system is used to record the heating profile of a type K thermocouple centered within the cylinder. The heat transfer is affected initially by the presence of a thin crust on the cylinder surface which freezes from the bath. When the crust melts, the rate of heating shows a subtle increase. Numerical differentiation is used to detect the on-set of this increase so as to provide an indication of the liquidus temperature of the melt. This paper outlines the technique predominantly through measurements of the melting points of pure sodium chloride and sodium nitrate. Factors which may affect the sensitivity of the measurement are discussed also.

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