Abbas, Fatima, and Hatem Asel. “The Electrochemical Removal of Oil and COD from Petroleum Wastewater: Electrochemical Removal of Oil and COD from Petroleum Wastewater”. Wasit Journal of Engineering Sciences 11, no. 1 (April 1, 2023): 134–149. Accessed April 19, 2026. https://ejuow.uowasit.edu.iq/index.php/ejuow/article/view/433.