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Effluents Treatment Generated by Biolixiviation in the Extraction of Precious Metals through Selective Recovery of Iron, Copper and Zinc

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Figure

Figure 1. Acid mine drainage in piles of accumulated material, exposed to rain, humidity and high temperatures in the area (Ponce Enríquez mining district, Azuay province, Ecuador)
Figure 2. pH at which the precipitation of copper hydroxide starts depending on the concentration of copper in solution
Table 2. Validation of Analysis Methods in Individual Metal Solutions.

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