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Alkaline and acidic autoclaving of refractory gold ores

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Abstract

American Barrick operates two autoclaves for the processing of refractory gold ores. Because of the mineralogy of the ores, one autoclave is alkaline and the other acidic. The pH of operation has a significant effect on materials of construction, as well as capital and operating costs. The following summary concentrates on the practical and economic aspects of such operations.

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References

  1. K.G. Thomas, “Metallurgical Treatment of Refractory Gold Ores,” presented at the International Mining and Processing Operators Symposium, Elko, Nevada, November 1988.

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  2. K.S. Fraser et al., “The Goldstrike Autoclave Plant Design, Commissioning and Operation,” presented at SME Conference on Advances in Gold and Silver Processing, Reno, Nevada, September 1989.

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Authors and Affiliations

  1. American Barrick Resources Corporation, USA

    Kenneth G. Thomas M.Sc. (senior vice president, metallurgy and construction)

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  1. Kenneth G. Thomas M.Sc.
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Thomas, K.G. Alkaline and acidic autoclaving of refractory gold ores. JOM 43, 16–19 (1991). https://doi.org/10.1007/BF03220133

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  • DOI: https://doi.org/10.1007/BF03220133

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