电芬顿体系H_(2)O_(2)生成的促进方法研究现状及展望

Current status and prospect of research on improving H_(2)O_(2) generation in electric-Fenton system

电芬顿技术具有对污染物降解率较高、不易产生二次污染、占地面积小、易于自动化控制等优点,可处理各种难降解的有机废水。介绍了电芬顿技术的原理与特点,分析了阴极材料改性、电芬顿反应条件对H_(2)O_(2)产率的影响,综述了抑制H_(2)O_(2)无效分解研究进展,指出了电芬顿技术在处理难降解有机污染物方面存在电流效率低、耗电量大、运行成本较高等缺点,对其发展趋势进行了展望,未来可进一步加快对电芬顿技术与其他技术联用的相关研究,以提高其处理效率,并能较好地应用于工业化中。

The electro-Fenton technology has the advantages of high degradation rate of pollutants,not easy to produce secondary pollution,small floor area and easy automatic control,which can treat all kinds of refractory organic wastewater.The principle and characteristics of electro-Fenton technology are introduced.The effects of cathode material modification and electro-Fenton reaction conditions on H_(2)O_(2)yield are analyzed.The research progress on inhibiting ineffective decomposition of H_(2)O_(2)is reviewed.It is pointed out that electro-Fenton technology has the disadvantages of low current efficiency,large power consumption and high operation cost in the treatment of refractory organic pollutants.The development trend is prospected.In the future,the research on the combination of electro-Fenton technology and other technologies should be further accelerated in order to improve the treatment efficiency and be better applied to industrialization.