城镇污水处理厂提标改造的几点思考

20071393020001CODBODSSTN3mgL-1TP0.1mgL-1TN10mgL-1TP1mgL-1BOD25mgL-1BOD8mgL-1TN8mgL-1TP0.8mgL-1[1][2-3]1211211121.3000742.30007420082X703.1X799.3B1000-3770(2011)[e-mail]37920119TECHNOLOGYOFWATERTREATMENTVol.37No.9Sep.,201112022009[4]60%4[5][6][7]9.6311292.1[5]2.1.12h0.5h10%TN2%7%2m3m-2h-10.5h1h60SS400mgL-1SS400mgL-1TN5%20%2.1.212332.2[6]120.60.8mgg-1h-10.51mgh-11[7]121IFASIFAS40%3512%3MBRIFASMBR2.31kg10kg[8]10kg21kgPAC2000t-111225000t-145316920002.7[9]10%4TN5%20%IFASMBR[1].[J].,1999,15(9):25-30.[2]DanielJConley,etal.Controllingeutrophication:nitrogenandphos-phorus[J].Science,2009,20(1)1014-1015.[3]Schindler,Hecky.Eutrophication:morenitrogendataneeded[J].Sci-ence,2009,8(5):721-722.[4],.[C].,2010:7-12.[5],.[R].,2009.[6],.[R].,2009.[7],.[J].,2010,26(2):28-30.[8]MogensHenze,etal.[M].:,1999.[9],.[J].,2001,17(8):50-52.135379122122AFEWOFCONSIDERATIONSONUPGRADINGWWTPSTOMEETMORESTRINGENTEFFLUENTREQUIREMENTSChenLi1,2,LiChengjiang1,GuoXingfang1,2,ShenShifeng1,ZhangLingling1,ZhuKaidong1,21.NorthChinaMunicipalEngineeringDesign&ResearchInstitute,Tianjin300074,China2.NationalEngineeringResearchCenterforUrbanWater&Wastewater,Tianjin300074,ChinaAbstract:AuthorstookondemonstrationresearchprojectofWWTPUpgradingwithbio-P/NremovalinJiangsuprovinceatTaihuBasin,inchargeoftwosub-projects,whichwereresearchoncarbonsourceandresearchonbio-Nremovalinlowtemp,andparticipatedtwosub-projects,whichwereresearchonenhancebiologicaltreatmentandWWTPUpgradingtechnicalguideinJiangsuprovinceatTaihuBasin.Since2007,NCMEDRIandNERCUWWhavecarriedoutagreatdealofbasictrialresearch,projectdesignandfullscaleresearch.Lookingbackon4-yearwork,authorsputforwardtheiropinionsonhottopicssuchaspollutantdrainagestandard,dilemmafacedinWWTPstomeeteffluentrequirements,andnecessityofpilottrial,inordertobeconsultedbyrelatedstudyandtechnicalapllication.Keywords:carbonsource;lowtemp;bio-NremovalAPPLICATIONOFA2/OPROCESSINTHEUPGRADINGANDRECONSTRUCTIONOFWASTEWATERTREATMENTPLANTHanJingchao1,ZhengYuguo2,HuangKaien3,WangChengbo2,WangHongwu4,LiuYan1(1.DepartmentofEnvironmentalScienceandEngineering,FudanUniversity,Shanghai200433,China;2.NanpingWaterSupplyCompany,Nanping353000China;3.NanpingUrbanandRuralPlanningDesignResearchInstituteNanping353000China4.SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China)Abstract:TheTaxiawastewatertreatmentplantofnanpingCityhadatreatmentcapacityof5104m3d-1.TheprocesswasdesignedasSBRinitiallyandthenoptimizedtoA2/Oin2006.Thetechnologicalfeatures,thedesignandoperatingparameterswereintroduced.Thetotalsludgeagewasaround1525dwhilethemixed-liquidandsludgewasrecycledtoimprovetheNH3-NandTPremovalefficiency.Theinfluentwasdomesticandindustrialmixedsewage(about121).TheCODandBOD5ranged180400mgL-1and30160mgL-1,respectively.Aftertheprocessoptimization,TheaverageremovalefficiencyofCODBOD5SSNH3-NTNandTPwasachievedtobe90%96%95%90%64%and64%,respectively.TheeffluentqualityreachedthefirstlevelBcriteriaspecifiedinthedischargestandardofpollutantsformunicipalwastewatertreatmentplant(GB189182002),provingthatA2/Oprocessisfeasibleandeffectiveintreatingcombinedsewagewithhighorganicsconcentrations.Keywords:A2/Oprocess;upgradingandreconstruction;wastewatertreatmentplant;nitrogenandphosphorusremovalanaerobic/anoxic/oxic(A2/O)processtreatinglowstrengthwastewater[J].Desalination,2009,249:822-827.[2],,,.A2/O[J].,2008,34(12):27-30.[3]BaezaJA,GabrielD,LafuenteJ.Effectofinternalrecycleonthenitrogenremovalefficiencyofananaerobic/anoxic/oxic(A2/O)wastewatertreatmentplant(WWTP)[J].ProcessBiochemistry,2004,39:1615-1624.[4],,,.A2/O[J].,2008,34(7):79-81.GEZCore2011729GEZCoreGEZCore0.5m90%ZCoreUSPVI180F(82)15psid(1.03bar)86F(30)60psid(4.14bar)ZCoreGEZ.Plex*A2/O135