无锡市芦村污水处理厂升级改造效果分析_张玲玲

32　　　给水排水　Vol.36　No.8　2010无锡市芦村污水处理厂升级改造效果分析张玲玲1　鲍立新2　郭兴芳1　陈　立1(1中国市政工程华北设计研究总院,天津　300074;2无锡市排水总公司,无锡　214023)　　摘要　介绍了太湖流域无锡市芦村污水处理厂升级改造工程中采取的主要措施,如在好氧池内投加填料,加强硝化效果;冬季运行时在厌氧池前增加回流污泥反硝化段;夏季运行中将A2/O工艺调整为倒置A2/O工艺等。改造后污水处理厂运行效果较好,出水各项污染物指标均满足《太湖地区城镇污水处理厂及重点工业行业主要水污染物排放限值》(DB321072—2007)的要求。关键词　污水处理厂　升级改造　脱氮除磷　太湖流域StudyonupgradingandreconstructionofLucunWastewaterTreatmentPlantinWuxiCityZhangLingling1,BaoLixin2,GuoXingfang1,ChenLi1(1.NorthChinaMunicipalEngineeringDesign&ResearchInstitute,Tianjin300074,China;2.WuxiDrainageCompany.,Wuxi214023,China)Abstract:ThispaperintroducedthemainmeasuresintheupgradingprojectofLucunWastewaterTreatmentPlant(WWTP)inWuxiCity,suchasaddingstuffingmaterialsintheaerationtanktoimprovethenitrificationefficiency,settingreturnedsludgedenitrificationbeforeanaerobictankinwinter,adjustingtheA2/OintoinversedA2/Oinsummer,andsoon.Afterreconstruction,thetreatmenteffectofWWTPissatisfyingandeverypollutantindexmeetstheneedsof“Limitationofmainwaterpollutantemissionstandard