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Recovering selenium from copper refinery slimes

  • Selenium and Tellurium
  • Applied Technology
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Abstract

The selenium contained within copper refinery slimes may be recovered advantageously by roasting at about 600°C. While roasting in air is inefficient, roasting in a sulfating atmosphere enables practically complete selenium recovery. Based on laboratory tests, a new selenium recovery process was adopted at Outokumpu Copper Refinery. In this process, sulfation is achieved by feeding sulfur dioxide and oxygen into the roasting furnace.

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References

  1. O. Hyvärinen, R. Rosenberg, L. Lindroos and E. Yllö, “ Selenium and Precious Metals Recovery from Copper Anode Slimes at Outokumpu Refinery,” presented at 113th AIME Annual Meeting, Los Angeles, CA, 1984.

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  2. Selenium, ed. R.A. Zingaro and W.C. Cooper (New York: Van Nostrand Reinhold Company, 1974).

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Hyvärinen, O., Lindroos, L. & Yllö, E. Recovering selenium from copper refinery slimes. JOM 41, 42–43 (1989). https://doi.org/10.1007/BF03220271

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  • DOI: https://doi.org/10.1007/BF03220271

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