超声波组合工艺在水处理中的研究进展

Research Progress of Ultrasonic Wave Hybrid Process in Water Treatment

超声空化技术处理水是一种高级氧化法,目前,使用超声空化和其它水处理技术组合,利用协同效应提高水处理效能,广受关注。分析了超声空化降解的机理和影响超声空化的因素。综述了超声化学氧化、超声光化学、超声电化学、超声波生物降解、超声膜过滤组合工艺、超声—吸附工艺、超声—水力空化组合工艺以及超声—絮凝组合工艺进行水处理的研究进展,在此基础上,对今后的研究工作提出了一些建议。

Ultrasonic cavitation for water treatment is a kind of advanced oxidation process.So far,ultrasonic cavitation combined with other process for water treatment which utilizing the synergistic effect to improve performence is paid much more attention.The mechanism of ultrasonic cavitation degradation and the main factors affecting cavitation process are analyzed.The research progress of ultrasonic chemical oxidation,ultrasonic photochemistry,ultrasonic electrochemistry,ultrasonic biodegradation,ultrasonic-membrane filtration hybrid process,ultrasonic-adsorbent process,ultrasonic-hydraulic cavitation hybrid process and ultrasonic-flocculation process is summarized.On the basis of the above,some advises for further studies are put forward.