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    Oxygen application to chloride leaching of complex sulfide ores

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    Author
    Chou, Kuo Tung
    Keyword
    sulfide ores
    Metadata
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    URI
    http://hdl.handle.net/11122/1134
    Abstract
    The study investigates leaching of complex sulfide ores with simultaneous regeneration of the leaching solution and removal of dissolved iron to balance the iron concentration in the leaching process. To minimize environmental pollution and obtain high metal extraction from the ores, leaching with a ferric chloride solution is adapted to treat Delta sulfide ores. The experimental results indicate that under high oxygen pressure leaching, oxidation of ferrous ion to ferric ion and partial precipitation of iron from solution can occur simultaneously. However, the findings also indicate that leaching the ores with simultaneous iron precipitation in one operation is difficult. It is better to precipitate excess iron in one stage; then leach the ores in another stage using the regenerated leaching solution.
    Date
    1987
    Publisher
    University of Alaska Mineral Industry Research Laboratory
    Type
    Technical Report
    Citation
    Chou, KuoTung, 1987, Oxygen application to chloride leaching of complex sulfide ores: University of Alaska Mineral Industry Research Laboratory Report No. 77, 27 p.
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    MIRL Report Publications

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