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Removal of impurities from crude nickel sulfide by selective dry chlorination and leaching

  • Hydrometallurgy
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Abstract

Finely ground impure nickel sulfide is treated with dry gaseous chlorine at about 600°F to selectively chlorinate copper, cobalt and iron. These chlorinated impurities are leached from the nickel sulfide by agitating in water at about 70°F and bubbling chlorine gas into the slurry to maintain a redox potential of about +500 mV.

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References

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Authors and Affiliations

  1. Canada, Process Research, International Nickel Company of Canada, Limited, Toronto, Ontario, Canada

    A. Illis (Director of Process Technology) & V. Opratko (Process Manager)

  2. Technical Services, International Nickel Company of Canada, Limited, Sheridan Park, Mississauga, Ontario, Canada

    A. Manson (Group Leader)

Authors
  1. A. Illis
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  2. V. Opratko
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  3. A. Manson
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Illis, A., Opratko, V. & Manson, A. Removal of impurities from crude nickel sulfide by selective dry chlorination and leaching. Metall Trans B 6, 167–174 (1975). https://doi.org/10.1007/BF02825691

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  • DOI: https://doi.org/10.1007/BF02825691

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