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    Relationship between solids flux and froth features in batch flotation of sulphide ore

    Access Status
    Fulltext not available
    Authors
    Yang, X.
    Aldrich, Chris
    Date
    2005
    Type
    Journal Article
    
    Metadata
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    Citation
    Yang, X. and Aldrich, C. 2005. Relationship between solids flux and froth features in batch flotation of sulphide ore. Transactions of Nonferrous Metals Society of China. 15: pp. 1373-1379.
    Source Title
    Transactions of Nonferrous Metals Society of China
    ISSN
    1003-6326
    URI
    http://hdl.handle.net/20.500.11937/44568
    Collection
    • Curtin Research Publications
    Abstract

    The froth features in the batch flotation of a sulphide ore were investigated by using the digital image parameters of the froth, the small number emphasis (N sne ), the average grey level (D agl) and the instability number (N ins), under different conditions of impeller speeds and aeration rates. It is found that the value of N sne is strongly dependent on the average bubble size of the froth and D agl on the volume fraction of solid in the froth, and the froth features during the batch flotation are influenced by impeller speed and aeration rate. A Kinetic model of the concentrate solid flux was developed which relates the flotation process to the image parameters, N sne and D agl of the froth and predictions are well consistent with the experimental data.

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