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    Physical modelling of slag foaming in two-phase and three-phase systems in the churn-flow regime

    Access Status
    Fulltext not available
    Authors
    Stadler, S.
    Eksteen, Jacques
    Aldrich, Chris
    Date
    2006
    Type
    Journal Article
    
    Metadata
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    Citation
    Stadler, S. and Eksteen, J. and Aldrich, C. 2006. Physical modelling of slag foaming in two-phase and three-phase systems in the churn-flow regime. Minerals Engineering. 19: pp. 237-245.
    Source Title
    Minerals Engineering
    ISSN
    0892-6875
    URI
    http://hdl.handle.net/20.500.11937/45629
    Collection
    • Curtin Research Publications
    Abstract

    Although the principal factors determining the stability of slag foams have been identified, there is little agreement as to the relative importance of these factors. In this paper the fluid properties, the influence of solid precipitates and the significance of bubble size distributions in the churn flow regime are considered. The slag viscosity appeared to be the most important factor in two-phase systems, while the addition of solids in three-phase systems was observed to stabilise the foam and increase its volume. Investigation of bubble size distributions suggested that liquids with more stable foam have smaller average bubble sizes than liquids with less stable foam.

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