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The role of catalyst in the passivation of chalcopyrite during leaching

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Figure

Fig. 1. Schematic view of the leaching reactor: 1-termometer, 2- Eh probe, 3- Sampling system,   4- Blind, 5- Pulp, 6- Copper concentrate and pyrite samples, 7- Magnetic impeller, .8- Temp controller,  9- Impeller controller
Fig. 4. SEM micrograph (a) and EDX analyses (b) of leaching residues from chalcopyrite in presence of pyrite
Table 2. Elemental analyses on selected area of chalcopyrite residue of silver coated pyrite leaching

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