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Recovery of Copper by Solution Mining Methods 3 Supplementing production from conventional heap leach operation, the inplace rubble leaching project at Silver Bell is estimated to recover 20 to 25% of the contained copper. The relatively low recovery achieved by this method is most likely due to the presence of insoluble hypogene
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Silver processing: Silver processing, preparation of the ore for use in various products. Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The lustre of the pure metal is due to its electron configuration,
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Chloride–hypochlorite oxidation and leaching of refractory sulfide gold concentrate 63 Fig. 1. The Pourbaix diagram of Fe–S at [Fe] –= 10 4 M, [S] = 10– M and 25 C (the chlorine species regions are also marked) (Marsden and House, 2005) Fig. 2.
Latest improvements to the leaching circuit at New Britannia Mine 301 S. Tavani and Browner, Department of Minerals Engineering and Extractive Metallurgy, Curtin University; and R. Dunne, Newcrest Mining Ltd. Gold cyanidation rates in the presence of sulphide and lead ions 309 RANDOL GOLD SILVER FORUM 2000
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