A2O工艺在污水处理厂升级改造中的应用汉京超

。199910200211。20058SBRA2/O200611。GB18918－2002B。3.84km25×104m3·d-14.5hm215750m235%。1、1。GB18918－2002B。[1]。。1375m3·h-18%、、110m3·h-1。。COD400mg·L-130%。。、A2/O。2A2/O、[2]。A2/O1232411.2004332.3530003.3530004.2000925×104m3·d-1SBR2006A2/O。A2/O、。A2/O15～25d+。121CODBOD180～400mg·L-130～160mg·L-1。COD、BOD5、SS、NH3-N、TNTP90%、96%、95%、90%、64%、64%GB18918－2002BCODBOD5A2/O。A2/OX703.1X799B1000-3770(2011)[e-mail][e-mail]1Tab.1DesignqualityofinfluentandeffluentCOD/mg·L-1BOD5/mg·L-1ρ(SS)/mg·L-1ρ(NH3-N)/mg·L-1ρ(TN)/mg·L-1ρ(TP)/mg·L-1/·L-130060≤6012020≤2015020≤20458≤206020≤204.01.5≤1.5-104≤10437920119TECHNOLOGYOFWATERTREATMENTVol.37No.9Sep.,2011132DOI:10.16796/j.cnki.1000-3770.2011.09.0371。33.1。6、、、、。62。。1000mm800mm7.5m65°20mm。3.22083m3·h-1210mm10mm1.0m。2。3.3。。。。13025m3·h-12100m3·h-1。4.88m1.68m1.52m2.08m。167m3·m-2·h-1111m3·m-2·h-154s36s。。3.4A2/OA2/O、15～25d。+。、。655kW24h。215%～30%。5.5kW45.5kW。。A2/O3。3.52083m3·h-122、。34m2.0m3·m-2·h-10.8m3·m-2·h-16m。。1DN800。3.69m。50%～100%100%～150%4600kg·d-199.2%684m3·d-1。3211。、。3A2/OTab.3A2/Obioreactordesignparameters/m3HRT/hρ(DO)/mg·L-1/dBOD5/kg·kg-1·d-1MLSS/g·L-119403980119400.931.915.73≤0.2≤0.52～415～250.060.080.141～21～2.52～4.51Fig.1Sewagetreatmentplantprocess












 

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2Tab.2Pumpingstationdesignparameters//kW//m3·h-1/m43324437151530/155.55.53433132424243502202203001001002517171716～1016～10A2/O1333.7222214m3·h-1。3.8、0～9999m3·s-1。。14.20m3.80m2.80m。130kW2541085s。44.1200611。TPTNGB18918－2002B。1、。0.2mg·L-10.2～0.5mg·L-12～3mg·L-1。215%～30%30%～40%。A2/O[3]。TPTNB。4.220091201m3、4。4A2/OCOD、BOD、SS、NH3-N、TNTP2009GB18918－2002B。A2/OCODBOD5、[4]。4.3151233。20093.24×106kWh8900kWh193.8820097580t6.63t2.77718.41。0.26·m-30.1614·m-30.0824·m-30.0153·m-3。5,。A2/OCOD、BOD5、SS、NH3-N。TPTN2009GB18918－2002BA2/O。CODBOD5A2/OGB18918－2002B。[1]FanJ,TaoT,ZhangJ,etal.Performanceevaluationofamodified42009、Tab.4Influentandeffluentqualityin2009ρ(TP)/mg·L-136631023924428434292424281351284062876423429330817118123111911111127.6423.8220.9225.0824.176.272.270.901.022.4244.0243.3923.7334.3035.4812.5311.8911.4314.5512.614.644.342.242.753.380.611.140.410.250.58COD/mg·L-1BOD5/mg·L-1ρ(SS)/mg·L-1ρ(NH3-N)/mg·L-1ρ(TN)/mg·L-1379134ρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρ122AFEWOFCONSIDERATIONSONUPGRADINGWWTPSTOMEETMORESTRINGENTEFFLUENTREQUIREMENTSChenLi1,2,LiChengjiang1,GuoXingfang1,2,ShenShifeng1,ZhangLingling1,ZhuKaidong1,2（1.NorthChinaMunicipalEngineeringDesign&ResearchInstitute,Tianjin300074,China；2.NationalEngineeringResearchCenterforUrbanWater&Wastewater,Tianjin300074,China）Abstract: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,Nanping353000，China;3.NanpingUrbanandRuralPlanningDesignResearchInstitute，Nanping353000，China；4.SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China)Abstract:TheTaxiawastewatertreatmentplantofnanpingCityhadatreatmentcapacityof5×104m3·d-1.TheprocesswasdesignedasSBRinitiallyandthenoptimizedtoA2/Oin2006.Thetechnologicalfeatures,thedesignandoperatingparameterswereintroduced.Thetotalsludgeagewasaround15～25dwhilethemixed-liquidandsludgewasrecycledtoimprovetheNH3-NandTPremovalefficiency.Theinfluentwasdomesticandindustrialmixedsewage(about12：1).TheCODandBOD5ranged180～400mg·L-1and30～160mg·L-1,respectively.Aftertheprocessoptimization,TheaverageremovalefficiencyofCOD、BOD5、SS、NH3-N、TNandTPwasachievedtobe90%、96%、95%、90%、64%and64%,respectively.TheeffluentqualityreachedthefirstlevelBcriteriaspecifiedinthedischargestandardofpollutantsformunicipalwastewatertreatmentplant(GB18918－2002),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)wastewatertreatment