Al-Khafaji, R.Q. kadhem and Mohammed, A.H.A.-K. 2021. Performance of Combined Electrocoagulation-Advanced Electrochemical Oxidation Used for Oil Field Produced Water Treatment. Journal of Petroleum Research and Studies. 11, 1 (Mar. 2021), 107-123. DOI:https://doi.org/10.52716/jprs.v11i1.432.