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    On the Use of Magnetite for Gold Recovery from Chloride Solution

    Access Status
    Fulltext not available
    Authors
    Alorro, Richard
    Hiroyoshi, Naoki
    Kijitani, Hajime
    Ito, Mayumi
    Tsunekawa, Masami
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Alorro, Richard and Hiroyoshi, Naoki and Kijitani, Hajime and Ito, Mayumi and Tsunekawa, Masami. 2010. On the Use of Magnetite for Gold Recovery from Chloride Solution. Mineral Processing and Extractive Metallurgy Review. 31 (4): pp. 201-213.
    Source Title
    Mineral Processing and Extractive Metallurgy Review
    DOI
    10.1080/08827508.2010.483359
    ISSN
    08827508
    URI
    http://hdl.handle.net/20.500.11937/7574
    Collection
    • Curtin Research Publications
    Abstract

    The sorption of gold chloride (AuCl4 ) from chloride solution on synthetic and natural magnetite powders was investigated by batch sorption experiments. The effects of different parameters on the recovery were studied. The results showed that Gold (Au) uptake by magnetite was influenced by pH, contact time, chloride concentration, and initial Au concentration. Gold uptake by synthetic and natural magnetite was maximum at pH 6–7 with sorption amounts of 4.4 lmol/g and 5.0 lmol/g, respectively, after 24 hr at an initial Au concentration of 0.05 mol/m3. The Scanning Electron Microscopy–Energy Dispersive X-ray and Back Scattering Electron analyses of the magnetite particles after treatment confirmed the presence of Au precipitates on the magnetite (Fe3O4) surface.

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