臭氧氧化污泥原位减量技术研究进展

Research progress of in-situ reduction technology of ozonation sludge

采用污泥原位减量技术来应对污水厂剩余污泥量大、增长速度快、处理难等问题。综述了臭氧应用于污泥原位减量技术的研究进展,介绍了臭氧氧化污泥原位减量的技术原理,分析了臭氧氧化污泥减量过程中的主要影响因素,系统研究了臭氧化污泥回流对出水水质及污泥性质的影响,并指出了臭氧氧化污泥原位减量技术存在的问题和研究方向。

Sludge in-situ reduction technology is adopted to deal with the problems of large amount of excess sludge,rapid growth rate and difficult treatment in sewage treatment plant.The research progress of ozone applied in sludge in-situ reduction technology was reviewed,the technical principle of in-situ reduction of ozonation sludge was introduced,the main factors affecting the reduction of ozonation sludge were analyzed,the effects of the reflux of ozonized sludge on the effluent quality and sludge properties were systematically studied,and the existing problems and research direction of in-situ reduction technology of ozonation sludge were pointed out.