Hybrid electrocoagulation-chemical coagulation (EC-CC) process has attracted a growing attention for the removal of various types of wastewaters contaminants. In this paper, the feasibility of EC-CC technique as an alternative to conventional chemical processes for the treatment of steam assisted gravity drainage (SAGD) produced water has been systematically studied. Eight parameters, namely electrode material, cell configuration, pH and temperature of the solution, chemical coagulant dosage, intensity of the electrical current, mixing rate, and treatment time were studied. To explore the synergistic effect of the design parameters, the experimental trials were arranged using Taguchi method. Analysis of variance (ANOVA) was performed to evaluate the effect of each design parameter on the organic matter removal from the SAGD produced water. It was found that all parameters except the electrode arrangement had a significant effect on the removal efficiency of the EC-CC process. Among these parameters, the chemical coagulant and the treatment time had the most significant contribution to the efficiency by 40% and 26%, respectively. The optimum condition for the highest TOC removal efficiency (39.8%) was obtained by applying 0.34 A to Al electrode in a bipolar (BP) configuration when the pH, temperature, coagulant concentration, mixing rate, and reaction time were set to 8, 60 °C, 200 mg/L, 700 rpm, and 90 min, respectively. Moreover, a second-order polynomial regression model was proposed to predict the removal efficiency in terms of design parameters. An excellent agreement between the model predictions and experimental data was obtained with the adjusted R² of about 99%.

混合电凝-化学混凝（EC-CC）工艺在去除各种类型的废水污染物方面引起了越来越多的关注。在本文中，系统地研究了EC-CC技术替代常规化学工艺来处理蒸汽辅助重力排水（SAGD）采出水的可行性。八个参数，即电极材料研究了电池的结构，溶液的pH和温度，化学混凝剂的用量，电流强度，混合速率和处理时间。为了探索设计参数的协同效应，使用田口方法安排了实验试验。进行方差分析（ANOVA）来评估每个设计参数对从SAGD采出水中去除有机物的影响。发现除了电极布置之外的所有参数对EC-CC工艺的去除效率具有显着影响。在这些参数中，化学混凝剂和处理时间对效率的贡献最大，分别为40％和26％。最高TOC去除效率（39.8％）的最佳条件是通过应用0获得的。将pH，温度，凝结剂浓度，混合速率和反应时间分别设置为8、60°C，200 mg / L，700 rpm和90分钟时，双极（BP）构造的34 A到Al电极。此外，提出了二阶多项式回归模型，以根据设计参数预测去除效率。调整后的R值可以使模型预测与实验数据达到极好的一致性²约占99％。