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Braz. J. Chem. Eng. vol.30 número4

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Figure 1: Schematics of the apparatus for the alkaline  zinc electrowinning experiments
Fig. 2 shows SEM micrographs of zinc electrode- electrode-posits produced at 10 to 40 g/L Zn 2+ , with a current  density of 1000 A/m 2
Figure 4: Polarization curves at different concentrations of NaOH
Figure 5: Effect of current density on cell potential  and current efficiency
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