摘要
电催化氧化技术是一种环境友好型水处理技术,因具有清洁、高效、可控等优点受到广泛关注。然而,因存在催化效率较低、传质效果较差、单位能耗较高等问题,制约了该技术在有机废水处理中的实际应用。作者简述了电催化氧化技术的原理,介绍了电催化阳极材料的主要类型:贵金属电极、石墨电极、形稳阳极(DSA)和掺硼金刚石(BDD)电极等,重点综述了通过改变基体形态、引入不同中间层、对表面层进行掺杂等手段改性后的钛基DSA电极在难降解有机废水处理中的研究进展,并指出了目前电催化阳极材料制备需要克服的问题,为电催化阳极材料在难降解有机废水处理中的深入应用提供了参考。
Electrocatalytic oxidation technology is an environmental friendly water treatment technology, which has attracted widespread attention in view of the advantages of cleanliness, high-efficiency, and controllability.However, problems such as low catalytic efficiency, poor mass transfer effect, and high unit energy consumption restrict the practical application of electrocatalytic oxidation technology in the treatment of organic wastewater.In this paper, we briefly introduce the principle of electrocatalytic oxidation technology, and elaborate the main types of electrocatalytic anode materials as follows: precious metal electrode, graphite electrode, dimensionally stable anode(DSA),and boron-doped diamond(BDD) electrode, etc.Moreover, we mainly summarize the research progress of modified Ti-based DSA electrode by means of change of substrate morphology, introduction of different intermediate layers, and doping of surface layer in the treatment of refractory organic wastewater.Furthermore, we point out the problems that need to be overcome in the preparation of electrocatalytic anode materials.The study provides a reference for the further application of electrocatalytic anode materials in the treatment of refractory organic wastewater.
作者
吴渴
朱米家
杨逸
田入婷
李凡修
WU Ke;ZHU Mijia;YANG Yi;TIAN Ruting;LI Fanxiu(School of Chemistry and Environmental Engineering,Yangtze University,Jingzhou 434023,China)
出处
《化学与生物工程》
CAS
2022年第9期1-6,共6页
Chemistry & Bioengineering
基金
湖北省教育厅中青年人才项目(Q20201315)。
关键词
电催化氧化
DSA电极
阳极材料
电极改性
electrocatalytic oxidation
DSA electrode
anode material
electrode modification
