AO泳动床反应器脱氮性能研究谈玲玲

48　　　　Vol.35　　2009A/O谈玲玲1　张　岩1　郭　岩1　小山登一郎2　张　杰1(1,　100124;2NET,　666-0115)　基于A/O工艺与泳动床工艺技术的联合,开发出A/O泳动床生物膜反应器。A/O泳动床系统表现出高效去除CODCr、NH3—N和TN以及较好的抗负荷冲击能力。在HRT=12.5h,回流比为300%,进水CODCr、NH3—N平均浓度分别为343.4mg/L、94.1mg/L时,CODCr和NH3—N平均去除率分别为84.6%,86.8%;CODCr的容积负荷与去除负荷现良好的线性关系,R2=0.9704;系统在较低的C/N下,TN平均去除率为70.8%。　A/O泳动床　脱氮　HRTSTUDYONNITROGENREMOVALBYA/OSWIMMINGBEDREACTEORTanLingling1,ZhangYan1,GuoYan1,KoyamaNobuichiro2,ZhangJie1(1.KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentalRecoveryEngineering,BeijingUniversityofTechnology,Beijing100124,China;2.NetworkingofEngineeringandTextileProcessing,Japan666-0115)Abstract:Anoxic/oxic(A/O)processcombinedwithswimmingbedasanoveltechnologyforwasterwatertreatmentwasdeveloped,whichwasonthebasisofA/Oprocessandswimmingbedtechnology.TheresultsdemonstratedthatA/Oswimmingbedsystemhastheperformanceofhigh-efficiencyremovalofCODCr、NH3—NandTN,aswellasresistanttoflashloading.Whenhydraulicretentiontimes(HRT)wasat12.5hwithaverageconcentrationofinfluentwasterwater'sCODCrandNH3—Nof343.4mg/L、94.1mg/L,theaverageCODCrandNH3—Nremovalrateof84.6%and86.8%wereachievedseparately.Linearityrelationshipwasappearedbetweenvolumetricloadingandremovalloading,R2=0.9704;70.8%ofaverageremaovalratewereachievedinlowerratioofC/N.Keywords:A/Oswimmingbed;Removalnitrogen;HRT　　,、、。:①,,;②,,(KM200710005024);(202HB01917)。,。/,/,,CODCr、NH3—N,C/N。1　1.1　,1。DOI:10.13789/j.cnki.wwe1964.2009.s1.051　Vol.35　　200949　　　1　CODCr/mg/LNH3—N/mg/LC/NpHT/℃203～450(340)66～108(89)1.07～3.24(2.06)7.15～8.53(7.57)11～25(17)　:。1.2　A/O(1)、、。,9.88L,Bio-fringe(BF),BF2,,。。22.24L,2:BFAS,BFBF,AS,BFAS,,60L。,。A/O,300%,(25±1)℃。2　Bio-fringe(BF)NETCo.,Ltd.　100mm,520mm,0.8g/cm3,3410m2/m31　2　3　45　6　78BF　9AS　10　111　1.3　CODCr[6]、NO-3—N[7]、KDY-9820、NH3—N、NO-2—NN-(1-)-[8]。2　2.1　,HRT20.6h、16.4h、12.5h、9.4hA/O。2HRTCODCr。HRT,CODCr,,。HRT,CODCr,,CODCr。,,CODCr。2　HRTCODCr,2,HRTA/OCODCr。ⅠHRT20.6h,CODCr203.2～415.4mg/L,317.2mg/L,27.1～69.2mg/L,53.3mg/L,82.9%;ⅡHRT16.4h,CODCr251.3～418.4mg/L,371.5mg/L,39.1～88.7mg/L,60.1mg/L,83.8%;ⅢHRT12.5h,CODCr213.7～450.0mg/L,343.4mg/L,15.1～87.0mg/L,53mg/L,84.6%。ⅣHRT9.4h,CODCr234.8～442.4mg/L,307.9mg/L,25.6～66.2mg/L,52.0mg/L,83.1%。CODCr,《》(GB18918—2002)。50　　　　Vol.35　　2009CODCr3,CODCr0.4～1.6kg/(m3·d),CODCrCODCr,,R2=0.9704,A/O。3　CODCr2.2　NH3—N,NH3—N。HRTA/ONH3—N4。Ⅰ,NH3—N92.3～65.5mg/L,83.3mg/L,NH3—N29.1mg/L,7.0mg/L,91.7%;ⅡNH3—N81.5～104.1mg/L,91.0mg/L,NH3—N30.1mg/L,13.0mg/L,85.6%;ⅢNH3—N83.8～108.4mg/L,94.1mg/L,NH3—N1.7～87.0mg/L,13.5mg/L,86.8%。ⅣNH3—N65.5～98.9mg/L,80.0mg/L,NH3—N3.2～36.8mg/L,17.6mg/L,78.4%。NH3—N,。4,HRT,NH3—N10%～30%,HRT,NH3—N,,NH3—N。,4NH3—N,CODCr,,。4　HRTNH3—N2.3　TNCODCr/TN。,1gNO-3—N2.86gCODCr,,[10]。A/O,5,CODCr/TN,2.06。,。5　CODCr/TN6HRTTN。Ⅰ(HRT=20.6h),TN76.9～108.9mg/L,93.8mg/L,TN19.1～31.4mg/L,24.5mg/L,73.8%;Ⅱ(HRT=16.4h)TN87.9～107.7mg/L,98.1mg/L,TN16.8～34.2mg/L,27.9mg/L,70.7%;Ⅲ(HRT=12.5h)TN94.6～123.7mg/L,109.9mg/L,TN17.4～32.2mg/L,32.2mg/L,70.8%;Ⅳ(HRT=9.4h)TN93.4～115.2mg/L,100.7mg/L,TN16.0～47.4mg/L,32.2mg/L,68.2%。C/N,TN。　Vol.35　　200951　　　6　HRTTNHRT7。TNNH3—N,A/O,NH3—N,NH3—N,,,。,,,;,,,。7　3　(1)HRTCODCr,A/OCODCr。HRT=12.5h,0.97kg/(m3·d),CODCr84.6%,CODCr84.5mg/L。CODCr,R2=0.9704,。(2)A/ONH3—N。HRT=12.5h,NH3—N0.26kg/(m3·d),NH3—N86.8%,13.46mg/L。。(3)C/N,TN。HRT=12.5h,TN32.2mg/L,70.8%。。参考文献1　VanTN,WenKS.Anoxicandixicbiologicalfluidizedbedtreatmentofaminesandphenol.WaterSciencetechnology,1995,31(1):185～1932　,.A/O.,1999,25(5):29～323　BeemanRE,ReifbergerJH.Anintergratedindustrialmanagementfacilityforbiologicaltreatmentofhighnitrateandcarbonaceouswastewater.EnvironmentalProgress,2003,22(1):37～454　ChengYJ.Swim-bedtechnologyasaninnovativeattach-growthprocessforhighratewastewatertreatment.JapaneseJournalofWastewaterTreatmentBiology,2004,40(3):115～1245　./.,2007,28(10):2249～22546　APHP,AWWA,WPCF.StandardMethodsforexaminationofWaterandWasterwater.(15thEd).Washington,DC.USA:AmPublHlthAssoc,19857　,,.NO-3-N.,2003,22(1):42～438　..4.:,20029　,..:,199810　..2008,27(1):54～57,6011　,..,1998,14(1):18～2012　XuXC,KoyamaT,FurukawaK.Novalwastewatertreatmentprocesscombiningananaerobicfilterandaswimming-bedreactorusingacrylicfiberbiomasscarriers.200713　,,,.A/O.,2001,21(6):26～2814　,..,2006,21(2):21～2915　,..,2007,21(17):185～186　　&E-mial:[e-mail]:2008-07-21