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电絮凝技术在海水养殖尾水处理中的研究应用

  

  1. （1中国科学院海洋研究所，中科院实验海洋生物学重点实验室，山东 青岛 266071；
    2中国科学院大学，北京 100049）
  • 出版日期:2020-02-20 发布日期:2020-04-30
  • 通讯作者: 孙建明(1960—)，男，研究员，研究方向：实验生态学、水产养殖工程学、循环水养殖装备。 E-mail：sjmqd@qdio.ac.cn
  • 作者简介:徐建平(1989—)，男，博士研究生，研究方向：循环水养殖生态学及水污染控制。E-mail:18354203286@163.com
  • 基金资助:
    国家重点研发计划资助（2017YFD0701703）；政府间国际科技创新合作重点专项（2017YFE0118300）；青岛市海洋经济创新发展示范城市产业链协同创新类项目。

Research and application of electrocoagulation in the treatment of aquaculture tailwater

  1. (1 Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences, Institute of Oceanology, Qingdao 266071, China;
    2 University of Chinese Academy of Sciences, Beijing 100049, China)
  • Online:2020-02-20 Published:2020-04-30

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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

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