超声波催化活性炭再生研究进展

Research Progress on Ultrasonic and Its Combination Technology to Regenerate Saturated Activated Carbon

活性炭因吸附性能优良而被广泛应用于给水和污水处理中。但饱和活性炭的再生已成为水处理领域新的难题。本文重点介绍了超声波再生饱和活性炭的作用机理;分析了影响超声波再生活性炭效果的主要因素;综述了超声波与双氧水、光催化、微波、臭氧、熔融草酸、溶剂、电化学等技术相耦合再生饱和活性炭的相关研究进展,并对超声波组合技术再生活性炭的未来做出了展望。

Activated carbon is widely used in water and wastewater treatment because of its excellent adsorption performance.However,the regeneration of saturated activated carbon has become a new challenge in the field of water treatment.This paper focuses on the mechanism of ultrasonic regeneration of saturated activated carbon;analyzes the main factors affecting the effect of ultrasonic regeneration of activated carbon;reviews the progress of research related to the regeneration of saturated activated carbon by coupling ultrasonic with hydrogen peroxide,photocatalysis,microwave,ozone,molten oxalic acid,solvent,electrochemistry and other technologies,and makes an outlook on the future of regeneration of activated carbon by combined ultrasonic technology.