Abstract
The aim of this paper is to investigate the effectiveness of a coupled system electrocoagulation - activated sludge processes, in the removal of contaminant from industrial wastewater. An electrochemical treatment provides the elimination of recalcitrant compounds from wastewater, and an activated sludge removes the dissolved pollutants. The electrochemical process reduced 69% of chemical oxygen demand (COD) and the biological removed 55% COD, the global efficiencies were 86% COD, 85% color and 82% turbidity.
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