AAOAMBR工艺污水脱氮特性及脱氮机制

98Vol．9No．820158ChineseJournalofEnvironmentalEngineeringAug.2015AAOA-MBＲ1212*12121．5106322．510632A2OAAOA-MBＲ。COD100.00～280.00mg/L、TN18.32～31.86mg/L、NH+4-N12.78～24.44mg/LCOD、TNNH+4-N90.0%、72.1%99.0%《》GB18918-2002A1。。AAOA-MBＲX703.1A1673-9108201508-3739-06SewagenitrogenremovalcharacteristicsandmechanismbyAAOA-MBＲtechnologyZhouYuan12JinLahua12ZhangYifan12HuangZhiwei121．SchoolofEnvironmentJinanUniversityGuangzhou510632China2．KeyLaboratoryofWater/SoilToxicPollutantsControlandBioremediationDepartmentofEducationofGuangdongProvinceGuangzhou510632ChinaAbstractInordertoimprovetheeffectofnitrogenremovalfromsewagearearanoxicpondwasaddedaf-teratraditionalA2OprocessandfollowedbyMBＲwhichconstructedapilotsewagetreatmentdevicewithAAOA-MBＲtechnology．Pilotexperimentswasaccomplishedwiththedevice．TheexperimentalresultsshowedthatwhentheinfluentconcentrationsofCODTNNH+4-Nwere100．00to280．00mg/L18.32to31.86mg/L12.78to24.44mg/LrespectivelytheaverageremovalratesofCODTNandNH+4-Nwere90.0%72.1%and99.0%theeffluentqualitymetthefirstlevelAcriteriaspecifiedinDischargeStandardofPollu-tantsforMunicipalWastewaterTreatmentPlantGB18918-2002．Throughstepfeedinginnercarbonconfigu-rationcanbeoptimizedandcarbonsourcecanbepartiallysavedandtheeffectofnitrogenremovalcanbeim-proved．BybackflowfromMBＲoxygencanbeprovidedtooxidationpondwhichcandecreaseaerationquantityforsavingenergyandensureanoxicpondinhypoxiaenvironmentforincreasingdenitrificationeffect．Theexperi-mentresultsmayprovideanewtechnologyfornitrogenremovalinactualpractice．KeywordsAAOA-MBＲtechnologynitrogenremovalstepfeedingbackflowfromMBＲ20121081010022015－03－172015－04－131991—。[e-mail]*[e-mail]、。A2/O、、、1-3A2O45A2ON、P。MBＲ、96-8。A2/O-MBＲA2O9-11。NO3-NTN12。A2/O-MBＲAAOA-MBＲA、1A、O、2AMBＲ。AAOA-MBＲAAOA-MBＲ。11．13.9m、2.0m、2.0m、1、1、2、26。AAOA-MBＲ1。1AAOA-MBＲFig．1PlanelayoutofAAOA-MBＲexperimentalinstallationHＲT13.66h1.05h13.15h124.20h23.68h1.58h、1、1、2、2、6128、6230、6376、6376、65307564mg/L。15d。312NO3-NNO3-N1。PVDF86.4m20.1μm。。8min7min1min。“”“”。1300～1500mg/L。13000～5000mg/L。1。1．23231312。1Table1Ｒawwaterqualitymg/L123CODTNNH+4-NCODTNNH+4-NCODTNNH+4-NTP280．0031．8624．44168．0031．4924．72259．0044．6927．502．28100．0018．3212．7865．7019．7614．7273．2015．0711．941．02159．5822．7719．95132．224．3519．33108．8527．4120．901．7204738AAOA-MBＲ2Table2Operationcontrolparametersofeachschemem3/hq1q2q3%Ｒ1Ｒ2Ｒ3m3/h1211004003002001520210080030020002030．40．40．24003002001520q1、q2、q312Ｒ1、Ｒ2、Ｒ31212。1．312212122。34∶4∶2、1、21、2。、。21000mL。COD、TN、NH+4-N、TPNO3-N。1．4CODNH+4-NTNTP-NO3-NMLSS、DO。22．1CODAAOA-MBＲCOD2。2CODFig．2ＲemovaleffectofCOD2AAOA-MBＲCOD13.80～19.20mg/LCOD16.00mg/LCOD90.0%《》GB18918-2002ACOD＜50mg/L。A2O-MBＲCOD87.42%9。AAOA-MBＲCODMBＲ。2．2AAOA-MBＲTN、NH+4-N3。3TN、NH+4-NFig．3ＲemovaleffectofTNNH+4-N3AAOA-MBＲ。TN5.36～7.84mg/L6.35mg/LTN72.1%NH+4-N0.04～0.31mg/L0.16mg/LNH+4-N99.0%。1314739A2O-MBＲTN14.3mg/LNH+4-N0.68mg/L。AAOA-MBＲA2O-MBＲ。、、、、、14。MBＲ。2．00mg/L6.23mg/L1516。MBＲ6128～7564mg/L17。2。2．3AAOA-MBＲTP4。4TPFig．4ＲemovaleffectofTP4AAOA-MBＲTP0.04～0.06mg/L0.05mg/LTP97．3%《》GB18918-2002A。9A2O-MBＲTP0.21mg/L。A2O-MBＲ。COD/TPCOD/TP＞20＜0.5mg/LCOD/TP≈2018。COD/TP≈52～183。SS。2NO3-NNO3-N。-1920。2．413TN、NH+4-NNO3-N5。513TNNH+4-NNO3-NFig．5VariationofTNNH+4-NNO3-NalongOptionIandOptionIII1。3、1、24∶4∶2。51TN、NH+4-N、NO3-N9.39、0.367.63mg/LTNNH+4-N65.8%98.3%。3TN、NH+4-N1。21。3212。31、2。1COD、TP15.3mg/L、0.1mg/L。31COD24738AAOA-MBＲCOD。12TP3TP2。CODPHB。。2．512TN、NH+4-NNO3-N6。612TN、NH+4-NNO3-NFig．6VariationofTNNH+4-NNO3-NalongOptionIandOptionII。62TN、NH+4-NNO3-N5.08、0.202.85mg/LTNNH+4-N76.2%98.9%。4∶3∶28∶3∶2TN2TN1TNNH+4-NNO3-NNH+4-NTNNO3-NNO3-N1NO3-N2NO3-N21。1、、112、11。2COD、TP16.56mg/L0.11mg/L。1COD2COD。CODCO2、H2O。COD。TP。31AAOA-MBＲ《》GB18918-2002A。2TN72%TN65.8%。31。1．A2/O．200826753-756PengYiPengYongzhenWuChangyong．DenitrifyingphosphorusremovalinA2/Oprocess．ChineseJournalofEnvironmentalEngineering200826753-756inChi-nese2ParkH．O．OhS．BadeＲ．etal．ApplicationofA2Omoving-bedbiofilmreactorsfortextiledyeingwastewatertreatment．KoreanJournalofChemicalEngineering2010273893-8993VocksM．AdamC．LesjeanB．etal．Enhancedpost-denitrificationwithoutadditionofanexternalcarbonsourceinmembranebioreactors．WaterＲesearch200539143360-3368347394．A2O．20143015135-138YeChangbingZhouZhimingLyuWeietal．ＲesearchprogressonA2Oprocessforsewagetreatment．ChinaWater＆Wastewater20143015135-138inChinese5．A2O-MBＲ．201482401-407WangＲongchangOuyangChenSiShupeng．PerformanceofdenitrifyingphosphorusremovalinmodifiedA2O-MBＲprocess．ChineseJournalofEnvironmentalEngineering201482401-407inChinese6BanuJ．Ｒ．UanD．K．YeomI．T．NutrientremovalinanA2O-MBＲreactorwithsludgereduction．BioresourceTechnology2009100163820-38247．A2/O/A/MBＲ．200925236-9DongLiangfeiXueTaoXiXiaominetal．Studyonpol-lutantsremovalefficiencyofA2/A/O/A/MBＲpilotdevice．ChinaWater＆Wastewater200925236-9inChi-nese8MunzG．GualtieroM．SalvadoriL．etal．Processeffi-ciencyandmicrobialmonitoringinMBＲmembranebiore-actorandCASPconventionalactivatedsludgeprocesstreatmentoftannerywastewater．BioresourceTechnology200899188559-85649．A2O-MBＲ．201026151-4ZhuNingweiLiJiZhengXiaoyingetal．CombinedprocessofA2OandMBＲfor