净水厂排泥水处理现状及展望

Present Situation and Prospect of Water Treatment Residuals in Water Purification Plant

净水厂排泥水是在净水过程中无法避免产生的废水,具有产生量大、成分复杂、时空差异、含固率低等特点,如果未经处理直接排放不仅易导致受纳水体污染、河床淤积,污水处理厂负荷增加,而且导致水资源浪费。在当前节水及环保的双重政策要求下,净水厂排泥水应进行处理后回用。通过文献调研,结合工程经历,对当前净水厂排泥水处理现状进行了总结分析,重点分析了排泥水处理技术及处理工艺,对存在问题进行了剖析,并提出相应的解决方法,以期为排泥水的合理、安全回用提供参考,尤其对新建水厂的设计运行提供借鉴。

The water treatment residuals of water purification plants are a kind of wastewater that can not be avoided in the process of water purification.It has the characteristics of large amounts,complex compositions,time and space differences,low solid content,and so on.If it is discharged directly without treatment,it will not only easily lead to water pollution,riverbed siltation,and increase the load of sewage treatment plants,but also lead to waste of water resources.Under the current dual policy requirements of water-saving and environmental protection,the water treatment residuals of water purification plants should be treated and reused.Through literature research,combined with engineering experience,the current status of sludge water treatment in water purification plants was summarized and analyzed.The water treatment residuals treatment technology and treatment process were analyzed,the existing problems were analyzed,and the corresponding solutions were proposed.In order to provide a reference for the rational and safe reuse of water treatment residuals,especially for the design and operation of new water plants.