OA式曝气生物滤池挂膜启动试验傅金祥

　　:2007-02-05:(06C2621200105);(HJ-200604):(1955—),,,,.:1671-2021(2008)05-0828-04O/A傅金祥,李　微,刘首永,焦　阳,和娟娟,曾永贵(,110168)　:研究两级串联O/A曝气生物滤池挂膜方法,及挂膜阶段曝气生物滤池对COD和NH+4-N的去除效果.采用复合式接种挂膜(接种挂膜+自然挂膜),好氧挂膜与缺氧挂膜同时进行,污泥闷曝7d后,进水流速由1m/h逐步增加到3m/h,曝气量稳定在0.4L/min,持续21d.历时28d,出水CODNH去除率为84.54%,NH+4-N去除率为52.95%.采用复合式接种挂膜启动快,微生物生长良好,与缺氧微生物相比,好氧微生物更易培养.:O/A;;;:X703　　　:A　　　0　　.,,,,.:,,,[1-3].,,[3-7].,,,,,BAF.,,,.1　1.1　,O,A,,,,Ф80mm,Ф70mm,2800mm,,300mm.,3.5～5.5mm,2.5～4.2mm,1800mm,300mm.1.1　1.2　,1.20089245　()JournalofShenyangJianzhuUniversity(NaturalScience)　Sep.　2008Vol.24,No.51　COD300～500mg/LHH-5NH+4-N10～22mg/LUV910010～16℃pH6.0～7.3pH1.3　[4].:1L(MLSS)=3800mg/L,,,24h,7d.3.1:1m/h,25L/h;2:2m/h,;3:3m/h,,7d.2　2.1　CODCOD2～3.2　COD　　:7d,COD350～500mg/L,COD21.41%,COD7.12%,28.53%.COD,,,,,6,.　　:COD280～450mg/L,84.54%,25L/h.11m/h,COD44.70%,COD14.95%,59.65%.COD,.,.12,.22m/h,COD49.40%,COD20.44%,69.84%.,,.,,,,,.(10～13℃),.,COD,[5].33m/h,COD61.58%,COD22.96%,84.54%.COD,,,,..,,,21,2、3,.3　COD24:O/A829　　2.2　NH+4-NNH+4-N4～5.4　NH+4-N5　NH+4-N　　7d,NH+4-N9～15mg/L,NH4-N14.62%,NH4-N-26.13%,-11.51%.,,,,[6].:NH+4-N11～20mg/L,25L/h.11m/h,NH+4-N22.52%,NH+4-N-16.83%,5.69%.COD,,.,:①,[7];②,;③NO3-N※NH+4-N※TN[8];④、.22m/h.NH+4-N43.07%,NH+4-N-5.29%,37.78%.,,,,[9-11].43d,,,.,,;33m/h,NH+4-N59.46%,NH+4-N-6.51%,52.95%.4,21d,,.,,,,,.3　,,,,,,,,,.,,COD,NH+4-N,,,,,.,,[11-13],3min,25L/h,0.8L/h,2,3COD62.78%,64.32%,NH+4-N36.05%,37.17%,,COD69.71%,NH+4-N55.05%,.830　　()244　　(1),,;CODNH+4-N,COD84.54%,NH+4-N52.95%.(2)6d,12d,.(3),3min,25L/h,0.8L/h,2d.:[1]　.[M].:,2004.[2]　,.[M].:,2005.[3]　,,,.[J].,2007,27(3):38-40.[4]　,,,.[J].:,2007,23(3):478-481.[5]　,,,.[J].,2006,32(8):67-69.[6]　,,.[M].:,2002.[7]　Mmwndoza-EspinosaLG.Organicandhydraulicshockloadingonabiologicalaeratedfilter[J].Envi-ron.Tech,2001,22(3):321-330.[8]　Park.D.Simulaneousremovalofnitrogenandphosp-housinatwo-biofiltersystem[J].Wat.Sci.Tec,2000,41(12):101-106.[9]　WijeyekoonS.Fixedbedbiolgicalaeratedfiltrationforsecondaryeffluentpolishing-effectoffiltrationrateonnitrifyinhbiologicalactivititydistribution[J].WatSci.Tech,2000,41(1):187-195.[10]　,,.[J].,2006,22(11):90-92.[11]　CanlerJP.Biologicalaeratedfilters;assessmentoftheprocessbasedon12sewagetreatmentplants[J].Wat.Sci.Tech,1994,29(10/11):13-22.[12]　WijeyekoonS.Fixedbedbiolgicalaeratedfiltrationforsecondaryeffluentpolishing-effectoffiltrationrateonnitrifyinhbiologicalactivititydistribution[J].WatSci.Tech,2000,41(1):187-195.[13]　.[J].,2005,20(1):53-55.ResearchonAerobic-AnoxicBAFforCompoundInoculationsFUJinxiang,LIWei,LIUShouyong,JIAOYang,HEJuanjuan,ZENGYonggui(SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,ShenyangChina,110168)Abstract:WetrytomaketheBAFstartupquickly,researchthetowclassesaerobic-anoxicbiologicalaerat-edfilter,analyzetheinfluencefactors.Thetestmakesuseofcompoundstart-upwithinoculums(innoculumstart-upandnaturalstart-up).Aerobicstart-upandanoxicstart-upcarryonatthesametime.After7dayssludgedomesticates,thevelocityofflowaddsfrom1m/hto3m/hgraduallyduring21days.Theoutletre-sultisthattheremovalrateofCODis84.54%andtheremovalrateofNH3-Nis52.95%atthe28edday.Thetestindicatesthestartupisperfectatthistime.Theconclusionisthatthemicroorganismgrowswellandstart-upquicklybecauseofthecompoundstart-upwithinoculums.Theaerobicmicroorganismisfosteredeasierthantheanoxicmicroorganism.Keywords:aerobic/anoxicBAF;compoundstart-upwithinoculum;aerobicinoculum;anoxicinoculum24:O/A831