萧山城市污水处理厂脱氮除磷升级改造实践  

Upgrading Reconstruction of Sewage Treatment Plant for Nitrogen and Phosphorus Removal

作　　者：孟鑫[1] 吴坤敦 陈伟[2] 郑建东[2] 

机构地区：[1]杭州萧山水务集团有限公司 [2]杭州萧山污水处理有限公司

出　　处：《中国给水排水》2010年第12期84-86,共3页China Water & Wastewater

摘　　要：萧山城市污水处理厂利用原有处理设施进行提标改造,采用A/A/O工艺,包括新建曝气池和曝气沉砂池,使整个处理流程具备了脱氮除磷功能,出水水质达到《城镇污水处理厂污染物排放标准》(GB18918—2002)的一级B标准。介绍了改造工程的处理工艺、改造措施及运行情况,可为一些传统污水处理厂升级改造提供参考。The existing facilities were used to reconstruct Xiaoshan Municipal Sewage Treatment Plant. A/A/O process was used, and aeration tank and aerated grit chamber were newly built. After the upgrading reconstruction, nitrogen and phosphorus removal functions are possessed, and the effluent quality meets the first level B criteria specified in the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant （GB 18918 -2002）. The treatment process of reconstruction project, reconstruction measures and operation situation are introduced to provide a reference for the upgrading reconstruction of sewage treatment plants currently using conventional processes.

关 键 词：污水处理厂 升级改造 脱氮除磷 A/A/O工艺 

分 类 号：X703.1[环境科学与工程—环境工程]