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Activated sulfating roasting of the chalcopyrite concentrate for sulfuric-acid leaching

  • Metallurgy of Nonferrous Metals
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Abstract

The sulfating roasting of the chalcopyrite concentrate with various pyrite contents is investigated in activated conditions in order to obtain the preferentially sulfate cinder most suitable for leaching and for the effective recovery of copper and accompanying iron. The activating effect that the trivalent iron sulfate which forms as a result of the low-temperature oxidation of pyrite, as well as the steam-air medium, has on the kinetics and completeness of the sulfatization of the concentrate are shown.

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Authors and Affiliations

  1. State Engineering University of Armenia, ul. Teriyana 105, Yerevan, 375009, Armenia

    L. Ye. Sargsyan & A. M. Hovhannisyan

Authors
  1. L. Ye. Sargsyan
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  2. A. M. Hovhannisyan
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Corresponding author

Correspondence to L. Ye. Sargsyan.

Additional information

Original Russian Text © L.Ye. Sargsyan, A.M. Hovhannisyan, 2010, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2010, No. 5, pp. 11–13.

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Sargsyan, L.Y., Hovhannisyan, A.M. Activated sulfating roasting of the chalcopyrite concentrate for sulfuric-acid leaching. Russ. J. Non-ferrous Metals 51, 386–388 (2010). https://doi.org/10.3103/S1067821210050032

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  • DOI: https://doi.org/10.3103/S1067821210050032

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