Batch electrocoagulation (EC) experiments were carried out to evaluate the removal of COD and O&G from wastewater using iron electrodes. The effects of operating parameters such as current intensity, initial COD concentration and contact time on COD and O&G removal efficiency had been investigated. It was found that increasing current intensity increased COD and O&G removal efficiency. Initial COD concentration had a little effect on removal efficiencies. Results showed that the COD removal efficiencies after 60 min. was 80.

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