UASBA2OMBR组合工艺处理餐厨废水工程朱霞

[1]。。。、[2-3]。[1]。BOD599%、MBR[4-7]。MBR、、、、、[8-10]。。、[11]。、UASB-A2/O-MBR。。11.122m3/d1。。。UASB-A2/O-MBR12211.2100232.518040UASB-A2/O-MBRCOD、NH3-N、TNTP。496.8%、96.4%、70%、80%DB44/26－2001。UASBCOD94.33%A2/O-MBRNH4+-N、TNTP76.23%、77.22%58.05%。CODNH4+-NTPTN。A2/O-MBRX703.1A1000-3770(2019)[e-mail]@nju.edu.cn1Fig.1FlowchartofCombinedprocess45220192TECHNOLOGYOFWATERTREATMENTVol.45No.2Feb.,2019DOI:10.16796/j.cnki.1000-3770.2019.02.026124UASBA2/OMBR。。UASB22m3HRT24h。A2/OOHRT52h18h、14h、20h。MBR13m3HRT14hPVDF0.1μmDO3～4mg/L。MBR7min、1minMLSS8～10g/L300%。DB44/26－2001[12]。1.2。、COD1.5～5.0g/LBOD50.65～1.0g/LNH4+-N、TN、TP100～310、180～430、80～180mg/L1.0～1.2g/L。UASB。0.8～1.5mmTSS60g/LVSS47.3g/L。A2/O-MBR。45dCOD。1.3[13]。CODTNNH4+-N-NO2--NNO3--NTPpHDOVFA。22.12.1.1COD。66dCOD2。2COD1.5～5.0g/L。COD76.7mg/L90%COD96.8%。86%～90%[14-16]。UASB-A2/O-MBRCOD。UASB10.8～35.3m3/d。2.1.2N、UASBNH4+-NNH4+-NA2/O-MBR。3。3NH4+-N110～310mg/L。。NH4+-N11mg/LNH4+-N96.4%。TN70%TN。UASBC/NNO3--N3Fig.3VariationofNcontentandremovalrate0102030405060700100200300400500020406080100
t/d
/%ρ(NH4+-N)ρ(TN)ρ/(mg·L-1)2CODFig.2VariationofCODandremovalrate010203040506070012345020406080100
/%t/d
COD/(gL)UASB-A2/O-MBR125TN。TN。2.1.3TP4TP。4TP80～180mg/LTP13mg/LTP80%96%。TPMBR。UASB-A2/O-MBRDB44/26－20016606.5m312.6MW·h.COD、TN、TP20.1、1.42、0.8t。2.2。2.2.1CODCOD1。1UASBCOD91.5%A2/OMBRCODCOD78mg/L。UASB。MBRA2/OCOD。2.2.2NH4+-N、TNTPNH4+-N、TNTP32。2UASBNH4+-NA2/OMBR2NH4+-N76.23%88.8%A2/ONH4+-N76.23%MBRNH4+-N6.7mg/L。MBRMBR。TNTP。UASB。A2/OTNNH4+-N77.22%。1gNO3--N2.47g1gNO3--NA2/OCOD/ρ(TN)≈4TPFig.4VariationofTPcontentandremovalrateρ(TP)ρ(TP)ρ(TP)/(mg·L-1)01020304050607004080120160200020406080100
/%t/d
UASBA2/OMBR2579218.7108.076.7894.334.421.251CODTab.1EvolutionofCODalongwithcombinedprocesses/%COD/(mg·L-1)NH4+-NTNNH4+-NTNTPUASBA2/OMBR202.0233.960.06.74291.9267.0132.0117.176.2023.8014.2477.228.5420.6258.0521.33TP113.685.035.013.72Tab.2EvolutionofNandPcontentalongwithcombinedprocesses/%ρ/(mg·L-1)4521260.91。MBRTN、。A2/OBOD5/ρ(TP)βPHBPHB。BOD5/ρ(TP)28.5[17-18]BOD5/ρ(TC)TCA2/OBOD5/ρ(TP)3.4TP。。2.3。。34COD3360mg/LCODCOD20.6%1.15%。NH4+-NTNTPNH4+-NTP。。NH4+-NTPNH4+-NTP。TNNH4+-NTP。CODNH4+-NTPTN。3UASB-A2/O-MBRCOD、NH4+-N96.8%96.4%TN、TP70%80%、。UASBCOD94.33%A2/OMBRA2/ONH4+-N、TNTP76.23%、77.22%58.05%。CODNH4+-NTPTN。[1],,.[J].,2013,38(8):122-126.[2]ZHANGR,EL-MASHADH,HARTMANK,etal.Characterizationoffoodwasteasfeedstockforanaerobicdigestion[J].BioresourceTechnology,2007,98(4):929-935.[3]LIR,CHENS,LIX.Anaerobicco-digestionofkitchenwasteandcattlemanureformethaneproduction[J].EnergySourcesPartARecoveryUtilization&EnvironmentalEffects,2009,31(20):1848-1856.[4],,,.[J].,2007,33(3):33-35.[5]TIANX,GAOX,WANGC,etal.Anenhancedanaerobicmembranebioreactortreatingbambooindustrywastewaterbybamboocharcoaladdition:Performanceandmicrobialcommunityanalysis[J].BioresourTechnol,2016,220:26-33.[6]MO譙INOP,AGUADOD,BARATR,etal.AnewstrategytoNH4+-NCODCOD1.2～11799.615.7731.920.6/%3Tab.3Stabilityofpollutantcontentchangebycombinedprocessesρ/(mg·L-1)COD/(mg·L-1)1570～493012～98TNTP94～1414.5～28NH4+-NTNTPNH4+-NTNTP68.452.5264.8711.4919.815.9033.839.322.29.917.442.1/%/%4Tab.4StabilityofpollutantremovalratebycombinedprocessesCODNH4+-NTNTP0.94～0.980.92～0.990.39～0.730.77～0.960.010.020.110.051.201.8919.55.88UASB-A2/O-MBR127保护水资源，人人应尽责。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IntegratedFixed-FilmActivatedSludgeProcessforSulfideAutotrophicDenitrificationTechnologyEnhancementCHANGZe1,SUNNing2,JIANGRan1(1.InstituteofResourcesandEnvironment,PearlRiverHydraulicResearchInstitute,510611;2.WaterEngineeringDepartment,ChinaEnergyEngineeringGroupGuangdongElectricPowerDesign,510663:Guangzhou,China)Abstract:Theintegratedfixed-filmactivatedsludge(IFAS)wasusedtotreatsimulatedmunicipalwastewaterandthesulfidewasusedaselectrondonortopromoteautotrophicdenitrification.Theoperationran140dundertheconditionsofanaerobicnon-CODaddition,massconcentrationofNO3-andS2-was(100±10)mg/Land(80±5)mg/Lrespectively,temperaturewas25℃andhydraulicretentiontimewas12h.Theresultsshowedthat,Thefixed-filmprovidedastablegrowthsiteforthebacteriainthereactor,andthetotalnitrogenremovalratestabledatmorethan95%ofthereactor.Thesulfur-nitrogenratio(S/N)hadadirecteffectonthefinalproductofthesulfideandtheoptimumpHfortheoperationwas8.0.Thetechnologycanrealizehigh-efficiencydenitrification,whichhastheadvantagesofhighreactioncontrollability,simpleexperimentaldevice,shortreactionset-uptime,stableoperationandlesssludgeyield,andissuitableforthemunicipalsewagetreatmentandindustrialsewagewithlowcarbonandnitrogenratio.Keywords:IFAS;sulfide;autotrophicdenitrification;municipalsewage;lowC/NratioTreatmentofRestaurantWastewaterbyUASB-A2/O-MBRCombinedProcessZHUXia1,2,LIHechao2,RENHongqiang1(1.SchooloftheEnvironmentofNanjingUniversity,Nanjing210023,China;2.PostdoctoralResearchStationofShenzhenOceanpowerIndustrialCo.,Ltd,Shenzhen518040,China)Abstract:Upflowanaerobicsludgeblanket(UASB)reactorcombi