随着社会的不断进步,人民群众对饮用水的质量、安全和服务要求越来越高。目前,出厂水达标对大型供水企业来说已不是难事,但针对城市供水管网系统中水质受污染的因素较多,如何深入研究管网二次污染产生的原因,以及如何采取有效的防治对策和措施,化被动为主动,是值得供水企业思考的问题。 With the continuous progress of the society, people are demanding higher and higher quality, safety and service of drinking water. At present, it is no longer difficult for large-scale water supply enterprises to reach the water discharge standard, but there are a lot of reasons for water quality pollution in urban water supply network. How to make an in-depth study on the causes of secondary pollution in pipe network and how to take effective control measures And measures, from passive to active, is worth thinking of water supply enterprises.