城镇污水处理厂提标改造的几点思考陈立

2007。139、302000。。1COD、BOD、SS、TN3mg·L-1TP0.1mg·L-1TN10mg·L-1TP1mg·L-1BOD25mg·L-1BOD8mg·L-1TN8mg·L-1TP0.8mg·L-1。、。[1][2-3]。、。。。、“”“”、1211211121.3000742.3000742008“”、“”2“”《》。、。、。X703.1X799.3B1000-3770(2011)[e-mail]37920119TECHNOLOGYOFWATERTREATMENTVol.37No.9Sep.,2011120DOI:10.16796/j.cnki.1000-3770.2011.09.033。22009[4]60%4[5][6][7]9.6～31℃12℃9％。2.1[5]、、。2.1.12h0.5h10%TN2%～7%、。、2m3·m-2·h-10.5h1h60％SS400mg·L-1SS400mg·L-1、TN5%～20%。、、、、。2.1.2、、1～23。、、3、、、。、、、、。、、。2.2[6]12℃0.6～0.8mg·g-1·h-10.5～1mg·h-11[7]。、、、121IFASIFAS40%3512%3。MBR。IFASMBR。2.3、1kg10kg[8]10kg21kgPAC2000·t-111～225000·t-145。316920002.7《》。[9]10%。4、。、TN5%～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):50-52.135379122ρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρ122AFEWOFCONSIDERATIONSONUPGRADINGWWTPSTOMEETMORESTRINGENTEFFLUENTREQUIREMENTSChenLi1,2,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)wastewatertreatmentplant(WWTP)[J].ProcessBiochemistry,2004,39:1615-1624.[4],,,.A2/O[J].,2008,34(7):79-81.ρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρρGEZCore2011729GEZCore。、、、。GEZCore0.5μm90%。ZCoreUSPVI180°F(82℃)15psid(1.03bar)86°F(30℃)60psid(4.14bar)。ZCoreGEZ.Plex*。、。。。A2/O135