Abstract
ABSTRACT Electrocoagulation is an efficient method for mining, industrial, and municipal wastewater treatment. Investigations have primarily focused on batch systems, while optimizing electrical current and operational time for maximum contaminant removal. Applying the correct amount of current in continuous systems is challenging due to varying water quality and residence time. A continuous laboratory-scale electrocoagulation system was investigated for treatment of ore- and petroleum-processing wastewater. The power to the cell was wired to a control loop feedback system. Preliminary results indicated that contaminants were removed by a minimum of 29% for ore-processing metals and 99% for petroleum hydrocarbons. Additional investigation is granted to study control settings that provide the optimal amount of ions into the electrocoagulation system for specific mining wastewater treatment applications.
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