EGSB反应器处理城市污水的工艺特性研究耿亮

　120111()JournalofEastChinaNormalUniversity(NaturalScience)No.1　Jan.2011:1000-5641(2011)01-0148-08EGSB耿　亮,　陈玉霞,　黄民生,　朱　勇,　何　岩,　林剑波(,　200062):,EGSB,.,EGSB45d,CODCrNH3-N58.8%32.9%;,.EGSB,CODCr66.6%,NH3-N,NO-2-NNO-3-N90%,.《》(GB8978—1996).,EGSBHRT2h,400%.:EGSB;　;　;　:X172　　:A　　DOI:10.3969/j.issn.1000-5641.2011.01.017　:2010-09　:(2009ZX07317-006,2009ZX07317-009);(2007-007)　:,,.E-mail:[e-mail].　:,,,.E-mail:[e-mail]EGSBformunicipalsewagetreatmentGENGLiang,　CHENYu-xia,　HUANGMin-sheng,　ZHUYong,HEYan,　LINJian-bo(SchoolofResourceandEnvironmentScience,EastChinaNormalUniversity,Shanghai　200062,China)Abstract:　Thestart-upandoperationperformancesofEGSBwereinvestigatedformunicipalsewagetreatment,andthekeyoperationalparameterswerealsoanalyzed.After45days,EGSBcouldbestarted-upeffectivelywiththeremovalofCODCrandNH3-Nbeing58.8%and32.9%,respectively.Inthemeantime,theremovalefficiencyofammoniaandnitritewerefromnegativetopositive,andtheanammoxstrengthenedgradually.ItwasalsofoundthatthereactoroperatedwellatambienttemperaturewiththeaverageCODCrremovalefficienciesof66.6%.TheaverageremovalefficienciesofNH3-N,NO-2-NandNO-3-Nwereupto90%andtheanammoxappearedmarkedlyinthissystem.ThequalityoftheeffluentinthesystemcouldmeetgradeIofIntegrat-edWastewaterDischargeStandard(GB8978—1996).ItwassuggestedthattheHRTofEGSBinoperationislessthan2handtherefluxratiolessthan400%.Keywords:　EGSB;　municipalsewage;　processcharacteristics;　ANAMMOX1,:EGSB0　引　　言,(AF)、(UASB),,.EGSBUASB,2080,Wagenin-gen[1-3][4-6].UASB,EGSB,,UASB,,0.4～0.6m,90%;EGSB,,UASB,.,HRT,EGSBCODUASB.,UASB,EGSB[7-11].EGSB.、HRT()EGSB,;EGSB、;CODCr,NH3-N,NO-2-N,NO-3-N,TN,EGSB,..1　材料与方法1.1　.:pH7.6～8.4;CODCr,NH3-N,TN,TP:45～200,15～35,30～55,1.5～4.0mg/L..IC;.1　EGSBFig.1　SchematicofEGSBdevice1.2　EGSB,4.15L,1.96L1.73L,50mm,h/d20.,..1.1.3　20083200812,260d.EGSB,3:、.1.1.4　CODCr、BOD5、、(149()2011)、()(TN)[12],pHHQ10HI98127pH(HANNA).1　EGSBTab.1　TheoperatingconditionsofEGSBreactor/dHRT/h/%/(m·h-1)1234(30℃)1～1513.511000.1616～305.221000.4031～455.222000.6246～605.173000.83789(30℃)105～1203.143001.36121～1352.042001.56136～1552.043002.1110111213(10～30℃)156～1751.282002.41176～2051.894002.69206～2351.855003.06236～2601.956003.762　结果与讨论2.1　EGSB2.1.1　CODCr,CODCr(2).138.4%450.2%.,CODCr35.3mg/L,CODCr58.8%.CODCr100mg/L,《》(GB8978—1996).,EGSB,CODCr.2　EGSBCODCrFig.2　VariationsofCODCrremovalperformanceanditsloadingrateintheEGSBreactor2.1.2　、15,EGSB1NH3-N,3.3160,NH3-N,14.7%32.9%,1501,:EGSB45.2%,[13]21.7%.3160,NH3-N8.1mg/L,《》(GB8978—1996).3　EGSB、Fig.3　Variationsofammonium,nitrite,andnitrateandtheirloadingratesintheEGSBreactor　　49,90%.,EGSB,199%.[14].,EGSB48.35%,.2.2　EGSB2.2.1　CODCrEGSB、CODCr4.CODCr,,31mg/L,66.6%.109(6)、29.1℃,CODCr12mg/L,,76%;CODCr59mg/L,243(13)、13.8℃,53.9%,22.1%.,CODCr100mg/L,《151()2011》(GB18918—2002).4　EGSBCODCrFig.4　DynamicchangesofCODCrperformanceandloadingrateintheEGSBreactor2.2.2　,TNNH3-N、NO-2-NNO-3-N、56(45d),EGSBTN20mg/L.,,,EGSBNH3-NNO-3-N,0.01～0.05kg/(m3·d),NO-2-N90%.0.1～0.5kg/(m3·d),NH3-N22.5mg/L,NH3-N6.2mg/L,92.6%.《B》(GB18918—2002).(15.5)[15].2.2.3　2,SPSS、、、HRT.2Pearson,-0.520,0.000,0.01.“＊＊”,;,.、HRT.3.2.2.4　EGSB7,,200%,HRT5,21.28h3;HRT2h,200%,300%,400%500%4,CODCr,NH3-N,NO-2-NNO-3-N,,HRT2h,CODCr,0.722kg/(m3·d);HRT1.28h2h,NH3-NNO-2-N.HRT2h5h,NO-2-NNO-3-N,CODCr.HRT,.,HRT2hCODHRT5h.,EGSBHRT2h.1521,:EGSB5　EGSB、Fig.5　Variationsofammonium,nitrite,andnitrateandtheirloadingratesinEGSBreactor6　EGSBTNFig.6　DynamicchangesofTNremovalandloadingrateintheEGSBreactor153()20112　、Tab.2　Thecorrelationanalysisofparametersaffectingtheloadingratesofammonium,nitriteandnitrateaffectingHRTPearson-0.520＊＊0.014-0.375＊＊()0.0000.8860.000N116115115Pearson-0.259＊＊0.293＊＊-0.476＊＊()0.0070.0020.000N107106106Pearson-0.641＊＊0.616＊＊-0.484＊＊()0.0000.0000.000N128127127:＊＊0.01().7　HRTCODFig.7　TheimpactofHRTandrefluxratioontheCODandnitrogenremovalrate　　,200%400%,400%,NH3-N,NO-2-NNO-3-N,400%500%,NH3-N,NO-2-NNO-3-N.,,EGSB400%.3　结　　论(1),EGSBCODCrNO-3-N.NH3-NNO-2-NEGSBANNAMOX.,45d.,.EGSB、.(2)EGSBHRT.,EGSBHRT2h,400%.EGSB,.CODCr,NH3-NNO-2-N66.6%,92.6%90%.《B》(GB18918—2002).NH3-N6.2mg/L,92.6%,1541,:EGSB(15.5)[15].[　　　][1]　EELMITWALLITA,SOELLNERJ,DEKEIZERA,etal.Biodegradabilityandchangeofphysicalcharacteris-ticsofparticlesduringanaerobicdigestionofdomesticsewage[J].WaterResearch,2001,35(5):1311-1317.[2]　ZEEMANG,SANDERSWTM,WANGK,etal.Anaerobictreatmentofcomplexwastewaterandwasteactiva-tedsludge-applicationofupflowanaerobicsolidremoval(UASR)reactorfortheremovalandpre-hydrolysisofsus-pendedCOD[J].WaterScienceandTechnology,1997,35(10):121-128.[3]　ZEEMANG,LETTINGAG.Theroleofanaerobicdigestionofdomesticsewageinclosingthewaterandnutrientcycleatcommunitylevel[J].WaterScienceandTechnology,1999,39(5):187-194.[4]　,,.(EGSB)[J].(),2006,45(3):353-358.　　　ZHANGXD,LIUY,DENGCR.MunicipalwastewatertreatmentbyEGSB(EnhancedGranularSludgeBed)reactoratambienttemperature[J].JournalofFudanUniversity(NaturalScience),2006,45(3):353-358.[5]　,.(EGSB)[J].,2006,24(4):13-16.　　　YANGQ,SHANGHT.Municipalwastewatertreatmentwithpilotscal