Abstract
The results of an investigation of the electrowinning of lead employing a chloride medium are reported. The electro-deposition lead reaction was studied by voltammetric methods and scanning electron microscope (SEM) microphotographs of the electro-deposited lead were taken. The effects of current density, temperature, catholyte flow and H + concentration were investigated at laboratory scale to optimise operating conditions in order to found adequate values for industrial purposes of the parameters energetic cost and production. For a working current density of 100 mA/cm 2 the current efficiency, energy consumption and production were 90%, 1.32 kW h/kg Pb and 83.4 kg Pb/m 2 per day, respectively.
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