Recovering selenium from copper refinery slimes
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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.
- 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.
- Selenium, ed. R.A. Zingaro and W.C. Cooper (New York: Van Nostrand Reinhold Company, 1974).
- Recovering selenium from copper refinery slimes
Volume 41, Issue 7 , pp 42-43
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