改良氧化沟工艺节能降耗及脱氮除磷优化研究鲍林林

12123141．4530072．4530073．1001244．150090。、。1～1．5mg/L/////。TN、TP9．0mg/L0．19mg/L《》GB18918—2002A0．241kW·h/m320%。X703A1000－4602201113－0008－04081100910300092102310223102300410197、102300410195、09230041017309S067080305OptimizationofEnergySavingandNutrientRemovalinModifiedCarrouselOxidationDitchProcessBAOLin-lin12CHENGQing-feng12LIDong3RENXue-hui1ZHANGJie41．KeyLaboratoryofYellowRiverandHuaiheRiverWaterEnvironmentandPollutionControl＜MinistryofEducation＞SchoolofChemistryandEnvironmentalScienceHenanNormalUniversityXinxiang453007China2．HenanKeyLaboratoryofEnvironmentalPollutionControlHenanNormalUniversityXinxiang453007China3．SchoolofArchitectureandCivilEngineeringBeijingUniversityofTechnologyBeijing100124China4．SchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090ChinaAbstractTheefficiencyofnutrientremovalwaspoorinoperationofmodifiedCarrouseloxidationditchusedinaWWTPinHenanProvince．Inordertoreduceenergyconsumptionandimprovethenutri-entremovalratelowoxygencontrolstrategywasadoptedandthecontrolofairsupplyintheaerobiczonewasoptimized．ByreducingthequantityofaerationatthefrontendofoxidationditchandcontrollingtheDObetween1and1．5mg/Lattheexitofoxidationditchananoxiczonewasformedatthefrontendofoxidationditchcreatingtheconditionsfordenitrifyingphosphorusremovalandsimultaneousnitrifica-·8·271320117CHINAWATER＆WASTEWATERVol．27No．13Jul．2011tionanddenitrification．Theoperationoftheoxidationditchwaschangedfromanoxic/anaerobic/aerobicmodestoanoxic/anaerobic/anoxic/aerobicmodes．Afterstableoperationtheeffluentqualityissubstan-tiallyimproved．TheaverageconcentrationsofTNandTPintheeffluentareonly9．0mg/Land0．19mg/LrespectivelymeetingthefirstlevelAcriteriaspecifiedinDischargeStandardofPollutantsforMu-nicipalWastewaterTreatmentPlantGB18918－2002．Theaveragepowerconsumptionforwastewatertreatmentis0．241kW·h/m3reducingbymorethan20%comparedwiththatbeforethecommissio-ning．KeywordsWWTPenergysavingandconsumptionreducingnitrogenandphosphorusre-movaldissolvedoxygenmodifiedCarrouseloxidationditch80%1。、2。《》GB18918—200234。、。11.110×104m3/d5×104m3/d10×104m3/d。、、、。、1．17、1．59、15．06h1。Ⅰ。1Fig．1FlowchartofmodifiedCarrouseloxidationditch69×189×18。6。2～2．5mg/L。1.2TNTN。COD2COD25mg/L1mg/L。2～2．5mg/L、5。TNHRTPHB6TP。。22.1·9·．watergasheat．com2713。211～1．5mg/L3。2.220096—201062、1、331～1．5mg/L2、320107—10。2.3CODTP—TN—NH+4－NDOWTWMulti340i。320096—20106Ⅰ、。Ⅰ20～27℃7～9dMLSS2706～5281mg/LMLVSS1222～2460mg/L48%～77%SVI32～55mL/g1～1．5mg/L2、30．2mg/L。Ⅱ、Ⅲ1、21～1．5mg/L。。3.110dⅠ21．5～3．5mg/L1～1．5mg/L1＜0．5mg/L2、30．2mg/L4。3.2Ⅰ1、2。120094—6、Tab．1RangeandaverageofinfluentandeffluentqualityfromApriltoJune2009mg·L－1CODNH+4－NTNTP149～99416．2～49．722．9～60．70．68～8．7838433．843．34．5715～420．24～1．9610．8～35．00．16～2．47220．619．01．40220107—10、Tab．2RangeandaverageofinfluentandeffluentqualityfromJulytoOctober2010mg·L－1CODNH+4－NTNTP110～67713～46．818．2～62．42．22～5．335131．138．25．8913～310．17～2．393．6～15．30．07～0．63200．59．00．1912COD、NH+4－N、A100%COD、。TN、TP9．0mg/L0．19mg/LA。TN、TP2、31～1．5mg/L。TNTP。、。3.320085—200940．315kW·h/m320095—201060．288kW·h/m3·01·2713．watergasheat．com9%20107—100．241kW·h/m324%。2008、2009、20107—100．310、0．263、0．241kW·h/m322%8%。4ⅠⅠCOD、NH+4－NA100%COD、NH+4－N、TN、TP9．0mg/L0．19mg/LA0．241kW·h/m320%。1．M．2002．2．CASTJ．201026946－49．3JanssenPMJMeinemaKvanderRoestHF．M．．2005．4．CarrouselJ．20031912101－102．5．A/A/OJ．200928639－4357．6．SBRJ．2003291134－37．1980－。[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2011－01－107RSD25%、24．5%1．0μg/L。74%。AOX。3①92．8%99．5%。②48%。③、AOX。1．20102020M．2005．2．AOXM．1995．3．4M．2002．4．J．2008372242－244．1975－。[e-mail]2011－01－09·11·．watergasheat．com2713