【摘要】 为保护和改善环境,治理太湖水体富营养化,太湖流域某城镇污水处理厂进行了提标改造。采用旋流沉砂池/A2O生化池(投加聚氨酯悬浮生物填料)/二沉池/混凝沉淀池/V型滤池/紫外消毒池工艺,取得了良好的处理效果,出水水质达到了《城镇污水处理厂污染物排放标准》(GB 18918—2002)一级A标准。更多还原

【Abstract】 In order to protect and improve the environment and control the eutrophication of Taihu Lake,the upgrading reconstruction project of a municipal wastewater treatment plant in the Taihu Lake basin was carried out. The combined process of rotational flow grit chamber,A2/ O biochemical tank( adding polyurethane suspended bio-packing),secondary sedimentation tank,coagulatory settler,V-filter and UV disinfection tank was used,and a good result was achieved. The effluent indexes meet the first level A criteria specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant( GB 18918-2002).更多还原