近年发展起来的高级氧化法能有效提高难降解有机污水的生物降解性能,形成了高级氧化法与后续生化技术相结合的处理技术,具有投资少、处理成本低和适用范围广等优势,显示出了广阔的应用前景。通过简要介绍化学催化氧化法、电催化氧化法、光化学氧化法、超声氧化法和湿式氧化法等高级氧化法的原理及研究现状,重点阐述国内外高级氧化法在提高污水生物降解性能方面的研究成果,得出了各技术的特点及其在应用中存在的主要问题,并展望了高级氧化法的发展方向。
Introduction of advanced oxidation processes(AOPs) developed recently to enhance biodegradability of bio-refractory organic wastewater(BROW),which can be further oxidized by biological methods,has advantages of advantages of low investment,low cost and wide applicability,shows a wide prospect of application.An overview of the oxidation mechanism and research status of AOPs are briefly presented,including chemical catalytic oxidation,electro-catalytic oxidation,photochemical oxidation,ultrasonic oxidation and wet oxidation processes,with emphases on the achievements of enhancing biodegradability of BROW by AOPs.According to these achievements,technical characteristics and main problems in practical application of AOPs were concluded and development trends were prospected.