Abstract:  With the rapid development of aquaculture industry, more and more attention has been paid to the environmental problems caused by aquaculture tailwater. As an eco-friendly water treatment technique, electrocoagulation has attracted much attention due to simple operation, high efficiency of pollutant removal and small footprint. In this paper, the research progress of electrocoagulation technology, purification principle, influence factors and its application in aquaculture were discussed. In addition, the application of electrocoagulation technology in algae removal, turbidity and COD removal, nitrogen and phosphorus removal, sterilization and disinfection, and coupled application with other water treatment technologies, as well as the energy consumption calculation, hydrogen recovery and utilization and challenges of electrocoagulation technology were introduced. The energy consumption, energy recovery and the challenges faced by electrocoagulation technology in actual production were discussed. The electrocoagulation water treatment technology has a broad application prospect. With the continuous improvement of equipment and technology, its practical application in the treatment of aquaculture tailwater will continue to be expanded.

Key words: aquaculture tailwater, electrocoagulation technology, tailwater treatment, application prospect

摘要：  随着水产养殖业的迅速发展，养殖尾水带来的环境问题日益引起广泛重视。电絮凝作为一种绿色环保型水处理技术，由于其操作简单、污染物去除效率高、设备占地面积小等优点备受关注。该文从电絮凝技术的研究进展、净水机理、影响因素及其在海水养殖中的应用展开论述，介绍了电凝聚技术在除藻、去除浊度和COD、脱氮除磷、杀菌消毒及与其他水处理技术的耦合应用，还介绍了电凝聚技术的能耗计算、氢气回收利用及面临的挑战。电絮凝水处理技术应用前景广阔，随着设备及工艺的不断完善，其在海水养殖尾水处理中的实际应用将不断扩大。

关键词: 海水养殖尾水, 电絮凝技术, 尾水处理, 应用前景