STS滤池组合工艺处理污水的中试研究_钱勇

STS滤池组合工艺处理污水的中试研究钱勇1,沈仲韬2,范建国3,刘开陇4,刘湘平4,符福煜5,JeffreyJ.Chen5,张超5,吴忠斌6,尤文玮7(1.上海市政工程设计研究总院,上海200092;2.海南省水务局,海南海口570000;3.嘉善县大地污水处理工程有限公司,浙江嘉善314100;4.中国市政工程西北设计研究院嘉兴分院,浙江嘉兴314001;5.美国水环纯水务集团上海代表处,上海201204;6.湖州市水务集团,浙江湖州313000;7.林同炎李国豪土建工程咨询有限公司,上海200092)摘要:针对浙江北部某污水处理项目,开展了淹没式前置反硝化滤池/淹没式好氧滤池/后置深床反硝化滤池处理城市污水的脱氮除磷中试研究。经过5个月的运行结果表明,在进水污染物浓度高、水质波动大的情况下,系统的出水水质仍达到了GB18918—2002标准的一级A排放标准,使BOD5、NH+4-N、TN分别从200、82.5、82.5mg/L左右降到1.9、2.3、11.1mg/L,在出水中未检测到SS,TP可通过在深床反硝化滤池的进水中投加絮凝剂而去除。中试数据已用于浙江北部某污水处理项目的工程设计,并于2008年8月通水运行。关键词:反硝化滤池;淹没式好氧滤池;深床滤池;脱氮中图分类号:X703.1文献标识码:A文章编号:1000-4602(2008)23-0011-05StudyonSTSBiofiltrationTechnologyforWastewaterTreatmentQIANYong1,SHENZhong-tao2,FANJian-guo3,LIUKai-long4,LIUXiang-ping4,FUFu-yu5,JeffreyJ.Chen5,ZHANGChao5,WUZhong-bin6,YOUWen-wei7(1.ShanghaiMunicipalEngineeringDesignGeneralInstitute,Shanghai200092,China;2.HainanProvinceWaterAuthority,Haikou570000,China;3.JiashanDadiWastewaterTreatmentEngineeringCo.Ltd.,Jiashan314100,China;4.JiaxingBranch,NorthwestChinaMunicipalEngineeringDesignandResearchInstitute,Jiaxing314001,China;5.ShanghaiOffice,SevernTrentServices,Shanghai201204,China;6.HuzhouWaterSupplyGroup,Huzhou313000,China;7.LinTung-yenandLiGuo-haoCivilEngineeringConsultingCo.Ltd.,Shanghai200092,China)Abstract:AimedatawastewatertreatmentprojectinthenorthofZhejiangProvince,thepilotstudywasconductedfornitrogenandphosphorusremovalfrommunicipalwastewaterbysubmergedpre-denitrificationfilter/submergedaerobicfilter/deepbedDenite·filter.Thefive-monthoperationresultsdemonstratethatevenwhentheinfluentconcentrationsofpollutantsarehighandthewastewaterqualityisnotstable,theeffluentqualityofthesystemcanmeetthefirstlevelAcriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant(GB18918-2002).TheconcentrationsofBOD5,NH+4-NandTNaredecreasedfrom200mg/L,82.5mg/Land82.5mg/Lto1.9mg/L,2.3mg/Land11.1mg/Lrespectively.SSisnotdetectedintheeffluent.TPcanberemovedbyaddingtheflocculantintotheinfluentofdeepbedDenite·filter.Thepilottestresult