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Many researchers found that the Fe2+ together with less amount of Cu2+ can accelerate the leaching of chalcopyrite. In this work, the leaching of chalcopyrite with Cu2+ was investigated. The leaching residuals were examined by Raman spectroscopy. Based on the leaching experiments, the chemical equilibrium in solution was calculated using Visual MINTEQ. The results showed that the Fe in chalcopyrite...
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