化工进展 ›› 2021, Vol. 40 ›› Issue (S2): 373-379.DOI: 10.16085/j.issn.1000-6613.2021-1230

• 资源与环境化工 • 上一篇    下一篇

太阳能电絮凝技术在水处理中的研究进展

王一茹1,2(), 宋小三1,2(), 王三反1,2, 范文江3   

  1. 1.兰州交通大学环境与市政工程学院,甘肃 兰州 730070
    2.寒旱地区水资源综合利用教育部工程中心,甘肃 兰州 730070
    3.兰州城市供水(集团)有限公司,甘肃 兰州 730060
  • 收稿日期:2021-06-11 修回日期:2021-06-22 出版日期:2021-11-12 发布日期:2021-11-12
  • 通讯作者: 宋小三
  • 作者简介:王一茹(1998—),女,硕士研究生,研究方向为水处理理论与技术。E-mail:1271625818@qq.com
  • 基金资助:
    甘肃省科技计划(20JR10RA228);甘肃省高等学校科研项目(2020A-040)

Research progress of solar powered electrocoagulation technology in water treatment

WANG Yiru1,2(), SONG Xiaosan1,2(), WANG Sanfan1,2, FAN Wenjiang3   

  1. 1.School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 733070, Gansu, China
    2.Enginnering Center of Water Resource Comprehensive Utilization, Ministry of Education, Lanzhou 730070, Gansu, China
    3.Lanzhou Urban Water Supply (Group) Co. , Ltd. , Lanzhou 730060, Gansu, China
  • Received:2021-06-11 Revised:2021-06-22 Online:2021-11-12 Published:2021-11-12
  • Contact: SONG Xiaosan

摘要:

太阳能电絮凝技术(SPEC)是一种水处理新技术,其结合了太阳能光伏发电可再生、可持续的特点和电絮凝处理废水无需添加化学药剂、产泥量少、设备易操作、占地小的优势,为太阳能丰富的地区带来了更加高效、环保和节能的水处理方法。本文阐明了电絮凝的原理,并分析了阳极材料、电极连接方式、电流密度、初始pH、电导率和极板间距对废水中污染物去除效率的影响。随后,重点综述了国内外学者对SPEC技术处理染料废水、含磷废水、含油废水、偏远地区分散式废水和SPEC与其他技术耦合处理废水的研究进展。最后,点明了SPEC技术当前存在的不足及挑战,并对未来的研究方向提出了展望。

关键词: 电絮凝, 再生能源, 废水, 电化学

Abstract:

Solar powered electrocoagulation technology is a new water treatment technology, which combines the renewable and sustainable characteristics of solar photovoltaic power generation and the advantages of electrocoagulation in wastewater treatment. Such as no need to add chemicals, less sludge production, easy operation of equipment and small land occupation. SPEC brings a more efficient, environmentally friendly and energy-saving water treatment method for areas rich in solar energy. The principle of electrocoagulation is expounded, and analyze the effects of anode material, electrode arrangement, current density, pH, initial conductivity and plate spacing on pollutant removal efficiency. Then the research progress of domestic and foreign scholars on the treatment of dye wastewater, phosphorus-containing wastewater, oily wastewater,diecentralized wastewater in remote areas and SPEC coupled with other technologies for wastewater treatment are emphatically discussed. In the end, the shortages and challenges of solar powered electrocoagulation technology are pointed out, and put forward prospect of the future research direction.

Key words: electrocoagulation, renewable energy, waste water, electrochemistry

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