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    The Distribution of Cobalt between Alloy, Matte and Iron Silicate Slag at 1573 K

    Access Status
    Fulltext not available
    Authors
    Liu, X.
    Grimsey, Eric
    Date
    1994
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Liu, X. and Grimsey, E.J. 1994. The Distribution of Cobalt between Alloy, Matte and Iron Silicate Slag at 1573 K. In: Hayes, P., et al. (ed), Proceedings of the 6th AusIMM Extractive Metallurgy Conference, 3-6 Jul 1994, pp. 247-252, Brisbane, Queensland.
    Source Title
    Proceedings 6th AusIMM Extractive Metallurgy Conference
    Source Conference
    6th AusIMM Extractive Metallurgy Conference
    ISBN
    0949106968
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/81653
    Collection
    • Curtin Research Publications
    Abstract

    The distribution of cobalt between Co-Au-Fe alloy, Co-Fe-Au-S matte and alumina-saturated iron silicate slag has been measured at 1573 K, with the sulphur and oxygen pressures controlled by SO2, CO2 and CO gas mixtures. The use of an alloy in contact with matte provided a novel method for directly evaluating the activity of cobalt in the presence of sulphur, allowing the activities of cobalt oxide and cobalt sulphide to be calculated. Cobalt solubility in slag was assessed thermodynamically in terms of these activities and the data compared with those for sulphur-free slags. Although it has been accepted generally that cobalt dissolves in slag only as oxide, this work presents evidence for the dissolution of cobalt as sulphide in addition to oxide.

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