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Pyrometallurgical Technology for Treatment of High-Sulfur Concentrate Lean with Respect to Copper

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Results of studying combined pyrometallurgical processing of relatively high-sulfur, low-copper and high-copper, high-silica sulfide concentrates are presented. Experimental melting of a mixture of highsulfur Aktogai and high-silica Zhezkazgan copper concentrates in the ratio of 1:1 in the range 1310–1400°С with a weakly reducing gas atmosphere and a weakly oxidizing gas atmosphere are provided. The possibility of preparing matte containing from 40 to 50% copper is demonstrated. Copper-richer mattes (49.75–52.74% Cu) are obtained at 1400°C in a weakly oxidizing atmosphere. Production parameters are obtained for smelting Aktogai and Zhezkazgan copper concentrates demonstrating the possibility of preparing matte suitable for subsequent conversion.

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Work was conducted with financial support of KN MON RK by grant No. AR05130400.

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Authors and Affiliations

  1. Satbayev University, AO Institute of Metallurgy and Enrichment, Almaty, Kazakhstan

    S. M. Kozhakhmetov, S. A. Kvyatkovskii, L. V. Sokolovskaya & A. S. Semenova

  2. AO Scientific Technology Center Parasat, Astana, Kazakhstan

    É. B. Kenzhaliev

Authors
  1. S. M. Kozhakhmetov
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  2. S. A. Kvyatkovskii
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  3. É. B. Kenzhaliev
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  4. L. V. Sokolovskaya
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  5. A. S. Semenova
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Correspondence to S. M. Kozhakhmetov.

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Translated from Metallurg, Vol. 63, No. 9, pp. 90–96, September, 2019.

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Kozhakhmetov, S.M., Kvyatkovskii, S.A., Kenzhaliev, É.B. et al. Pyrometallurgical Technology for Treatment of High-Sulfur Concentrate Lean with Respect to Copper. Metallurgist 63, 984–992 (2020). https://doi.org/10.1007/s11015-020-00916-x

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  • DOI: https://doi.org/10.1007/s11015-020-00916-x

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