Abstract
This paper compares the concentration-time relationship and faradaic yield for copper removal in an electrochemical reactor system operating with continuous recirculation of the electrolyte through a channel including or not eddy promoters. It is shown that the promoted device presents higher performance for copper depletion and an approximate model taking into account a plug flow inside the reactor associated with a well mixed tank is shown to describe experimental data very satisfactorily. From an energetic aspect, the presence of promoters in the cell increases the mechanical energy consumption, but this disadvantage is counterbalanced by a lower overall energy consumption for a given depletion in copper concentration.
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