MBBR法A2O式工艺对污水处理厂二级出水的脱氮研究武福平

C/NNH3-N、TN。。MBBR、、、[1-2]。MBBRMBBR、、、[3]。MBBR1[4]。A2/O、。MBBRA2/OA2/OMBBR2。、、。[5]。11.11。[6]。1.21。PVCA2/O、MBBR。10～2055～7030～70203～2961～660～706.5～7.56.5～8.514～2314～231Tab.1RawwastewaterqualityofsecondaryeffluentfromWWTPinLanzhouCityandcampusdomesticsewageρ(NH3-N)/(mg·L-1)COD/(mg·L-1)/NTUpH/℃MBBRA2/O730070NH3-N、TNMBBR-A2/O。NH3-N。3、50dNH3-N85%NO2--N、NO3--N、TN68.9%、58.1%、69.9%A2/O。A2/OX703.1A1000-3770(2013)08-0075-0042[e-mail][e-mail]39820138TECHNOLOGYOFWATERTREATMENTVol.39No.8Aug.,20137518L、、112。50%DO。1.3。MLSS11.22g/L、、。1.4[7]。1。DO4～5mg/L24h3h24h3h3d2d。6HRT4.5hDO05d。2。0%、20%、40%、60%、80%、100%2d18。5d6DO、0.2～0.5、3～5mg/L、HRT4.5、9h。18。263、。。2.1NH3-NNH3-N2。26～246～18。NH3-NNH3-N-23%-45%NH3-NNH3-NNH3-NNH3-N[8-9]。18NH3-N12～16mg/L18～24NH3-N-45%-12%NH3-NNH3-NNH3-N2NH3-NFig.2Theremovaleffectofammonianitrogenatanaerobicstage010203040506005101520253035-60-50-40-30-20-1001020
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NH-N/mgL 1Fig.1FlowchartofMBBRmethodA2/Oprocess39876NO2--NNH3-NNO2--N。24～40NH3-N-30%3%。40～52NH3-N6%～10%8.4%。NH3-N6～7mg/LNH3-N8%。7。、、、[10]。2.2NH3-NNH3-N3。3NH3-N3.5%30%40d28%。DO0.2～0.5mg/LHRT4.5hHRT、。DONH3-N28%。2.3NH3-NNH3-N4。46～22NH3-N40%～60%COD10%～30%。。NH3-NCOD。22～40NH3-N87%COD18%。。40～52NH3-N80%NH3-N1.0～2.3mg/L1.6mg/LCOD20%COD17～25mg/L23.2mg/L。MBBRA2/ONH3-N85%NH3-N1.0～2.3mg/L1.6mg/L。2.4MBBRA2/ONH3-N、NO2-NNO3--N23。2MBBRA2/OTab.2ThechangeofvariousnitrogenbyMBBRmethod-A2/Oprocessρ/(mg·L-1)ρ/(mg·L-1)ρ/(mg·L-1)ρ/(mg·L-1)/%NH3-NNO2--NNO3--NTNNH3-NNO2--NNO3--NTNNH3-NNO2--NNO3--NTNNH3-NNO2--NNO3--NTNNH3-NNO2--NNO3--NTN1.8712.80.281.334.028.076.3521.91.7211.90.210.921.352.423.7616.11.248.560.100.420.580.122.059.80.251.750.090.401.393.981.826.2786.568.958.171.43NH3-NFig.3Theremovaleffectofammonianitrogenatanoxicstage010203040506005101520253035010203040
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NH-N/mgL ρρρρ4NH3-NFig.4Theremovaleffectofammonianitrogenatoxicstage010203040506005101520253035020406080100

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NH-N/mgL MBBRA2/O77Δρ(NH3-N)/(mg·L-1)Δρ(NO2--N)/(mg·L-1)Δρ(NH3-N)/(mg·L-1)Δρ(NO2--N)/(mg·L-1)Δρ(NH3-N)/Δρ(NO2--N)-0.15-0.90-0.07-0.410.996.810.813.860.8180.567Δρ(NH3-N)/Δρ(NO2--N)0.4670.4563NH3-N、NO2--NNO3--NTab.3VariationofNH3-N,NO2--NandNO3--Nconcentrationsduringeachreactortreatment21NH3-N、NO2--N、NO3--N、TN86.5%、68.9%、58.1%、71.4%NH3-NNO2--N、NO3--N。2NO2--NNO2--N0.4mg/L。NO2--NNO3--NNH3-NNO3--N。。3、[11]。NO2--NNH3-N45%StrousNH3-N、NO2--NNO3-N1:1.32:0.26[12]。NH3-NNH3-NNO2--NNO3--N。4NO3--N。NH3-N50%NO3--N50%NH3-N81.8%。3MBBRA2/O。NO2--N、NO3--N、TN68.9%、58.1%、69.9%NO2--NNH3-N45%。NO2--NNO2--NNO3--N。NH3-N50%NO3--N50%。3、。、50d。、、NH3-N5%、28%、80%NH3-N85%NH3-N1.0～2.3mg/L1.6mg/L。[1],,.MBBR[J].,2007,33(7):57-60.[2],,,.MBBR[J].,2011,27(3):90-93.[3],,.MBBR[J].,2009,35(10):91-94.[4],,,.MBBR[J].,2004,20(8):5-9.[5].[J].,2002,15(2):22-25.[6]《》.[M].4.:,2002:216-217.[7].[J].,2001,19(1):16-19.[8],.[J].,2008(2):102-105.[9],,,.[J].,2006,32(11):34-37.[10],,.[J].,2006,38(11):1831-1834.[11]TsushimaI,OgasawaraY,KindaichT,etal.Develop-mentofhigh-rateanaerobicammonium-oxidizing(anam-mox)biofilmreactors[J].WaterRes.,2007,41(8):1623-1634.[12]StrousM,HeijnenJJ,KuenenJG,etal.Thesequencingbatchreactorasapowerfultoolforthestudyofslowlygrowinganaerobicammonium-oxidizingmicroorganisms[J].ApplMicrobiolBiotechnol.,1998,50(27):589-596.8239878ASTUDYONBROMINEWASTEWATERTREATMENTBYTWO-UASBTECHNOLOGYWangHengkang1,LiWeicheng2,LiWenwen3,HeShilong4(1.ResearchCenterforEco-EnvironmentalSciencesofShanxiProvince,Taiyuan030002,China;2.ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,China;3.XuzhouEngineeringConsultingCenter,Xuzhou221000,China;4.SchoolofEnvironmentScienceandSspatialInformatics,ChinaUniversityofMiningandTechnology,Xuzhou221116,China)Abstract:Tostudythebrominewastewatertreatmenteffectbytwo-stageupflowanaerobicsludgebed(two-UASB)technology,thechangesofCOD,sulfate,methaneremovalrate,andVFAandfreeH2Scontentwiththeincreaseoffeedwaterloadwereinvestigated.ResultsshowthatwhentheinflowCODwas10g/L,SO42-massconcentrationwas1.5g/LandCODvolumetricloadingwas14g/(L·d),theTWO-UASBprocesscanbestableoperation.TheremovalrateofCODandsulfatewas70%and10%,respectively.Methaneconversionratewasabout70%,meanwhile,theVFAandfreeH2Scontentinthesystematanappropriatelevel.Keywords:CODremovalrate;sulfateremovalrate;methaneconversionrate;freesulfideVFAH2S。。[1],,,.[J].,1997,18(3):83-85.[2]HerbertII,PFang.EffectofsulfateonanaerobicdegradationofbenzoateinUASBreactors[J].JournalofenvironmentEngineering,1997(4):320-328.[3],,.[J].,1996,15(l):31-33.[4],.[J].,2002,20(1):6-10.[5],.[J].,2003,35(3):265-268.[6],.[J].,2003,19(7):23-25.[7],.[J].,1994,16(3):8-11.[8]MuhammadAsifLatif,RumanaGhufran,ZularisamAbdulWahid.Integratedapplicationofupflowanaerobicsludgeblanketreactorforthetreatmentofwastewaters[J].WaterResearch,2011,45:4683-4699.[9]PatelH,MadamwarD.Effectsoftemperatureandorganicloadingratesonb