German-Chilean consortium investigating new ways of reducing arsenic in copper concentrates: ReAK

Green Car Congress
By mmillikinAug 3, 2022, 10:30 am201 pts
Chile is the world’s top copper producer (27% of global production) and exporter. In Chile, copper is mostly found in sulfide ores, especially in chalcopyrite (CuFeS2), bornite (Cu5FeS4) and chalcocite (Cu2S). The continual exploitation of ore reserves leads to the necessity of mining ores from deeper parts…

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