溧阳市农村生活污水治理的模式与经验

Model and experience of rural domestic sewage treatment in Liyang City

溧阳市政府于2018年组织实施了农村生活污水综合治理工程,该工程采取了政府和社会资本合作的PPP模式,实行了农村污水纳管处理、按村相对集中处理与按户就地处理相结合的技术路线,采用了A/O接触氧化、MBBR、MBR 3种主要的处理工艺。经过近年来的建设,累计完成了917个村庄的生活污水治理任务,各处理设施出水的各污染物指标达到了相应的排放标准。

In 2018,Liyang Municipal Government organized the implementation of a comprehensive treatment project for rural domestic sewage,which adopted a PPP model of cooperation between the government and social capital,and implemented a combination of rural sewage treatment,relatively centralized treatment by village,and on-site treatment by households,using three main treatment processes such as A/O contact oxidation,MBBR,MBR.Through the construction in recent years,a total of 917 villages had completed the treatment of domestic sewage,and the effluent pollutant indicators of treatment facilities had reached the corresponding discharge standards.