UASB处理低浓度城市生活污水的中试试验

UASB处理低浓度城市生活污水的中试试验*(,430072)(,250014)(,250014)研究112m3厌氧反应器(UASB),在自然温度(水温32~5e)下,处理CODCr浓度为200mgPL左右的低浓度生活污水实验采用颗粒污泥接种二次启动法水处理系统在水温32~5e范围内运行6个月的时间,UASB反应器在上升流速为114~117mPh,水力停留时间(HRT)为310~215h,CODCr有机污泥负荷(SLR)为0106~0113kgP(kg#d)时,去除效率比较稳定,CODCr去除率达40%~80%UASB城市污水*948(T200143)0,[1]UASBUASB(Up2flowAnaerobicSludgeBlanket,)[2],[3,4]UASB,(SLR)UASB[5]UASB1106~118kgPm3,,UASB():,;,,,,20e,5d,1111,CODCr200mgPL,CODCrNP100B10B1;400~500mgPL,CODCrNP200B10B1,UASB(32~5e)11mgPL(pH)pHPeCODCrTNTPSS(CaO)617~7125~32100~50015~40115~21530~60210~3201121,UASB,6m3Pd,(CODCr)TNTPSS1113UASB015m,6m,0198m3,,0135m30138m3,,0125m3(2)UASB,,(5~32e)114,UASBCODCr(SLR)0106kgP(kg#d),CODCr(OLR)214kgP(m3#d)20e1~4dUASBSS,5dSS,,UASB892006102452UASBUASB,015~210mm,115~118mm100d115112m3UASB5~32e,CODCr100~300mgPL300~600mgPL,(2),2HRTPhP(m#h-1)SLRP(kg#kg-1#d-1)OLRP(kg#m-3#d-1)114~710017~21801025~0110015~3152211SLRUASBCODCrSLR0106~0113kgP(kg#d),CODCr,CODCr,33SLRCODCrSLR0105kgP(kg#d),CODCr100mgPL,UASBCODCr,,,,SLR0106~0113kgP(kg#d)212UASBCODCr4,114~117mPh,,512412m2mPh,512m412m,113mPh,512m412m,114~117mPhCODCr8%114~117mPhTNTP,UASB4UASBCODCr3,UASB114~117mPh,SLR0105~0108kgP(kg#d),HRT215~310h,,UASB,UASB:015m,5m4(1),SLRSLR0106kgP(kg#d),20eUASB,5d(2)UASBSLR0106~0113kgP(kg#d),114~117mPhHRT215~3h,CODCr5~32e,CODCr40%~80%SLRSLR)))012~016kgP(kg#d)[628]SLR0105kgP(kg#d),OLR016kgP(m3#d),CODCr100mgPL,UASBCODCr100mgPL(93)90200610245,,,,,,,Fe2+,,,PAC1P3,,01310142,6(1),,,(2),90%,,(3),,85%,,[1],,..,2004,24():2562258.[2],,..,1999,17(4):[e-mail]2005-12-20(90)[1]Jewell,W.J.Anaerobicsewagetreatment.EnvironmentalScienceandTechnology,1987,21(1):14221.[2]Lettinga,G.,vanNeelsen,etal.Useoftheupflowblanket(USB)reactorconceptforbiologicalwastewatertreatment,especiallyforanaerobictreatment.BiotechnologyandBioengineering,1980,22:6992734.[3]Lettinga,G.andVinken,J.N.Feasibilityoftheupflowanaerobicsludgeblanket(UASB)processforthetreatmentoflow2strengthwasters.35thPurdueIndustrialWasterConferenceProceedings.1980:6252634.[4]Lettinga,G.,Roersma,R.etal.AnaerobictreatmentofrawdomesticsewageatambienttemperaturesusingagranularbedUASBreactor.BiotechnologyandBioengineering.1983,25:170121723.[5]LucasSeghezzo,Grietjezeeman,etal.Areview:theanaerobictreatmentofsewageUSABandEGSBreactors.BioresourceTechnology.1998,65,1752190.[6]Lettinga,G.Laboratoryworkmanual.in:1stInt.CourseonAnaerobicandLowcostTreatmentofWastesandWastewater.TheNetherlands:IACandWAU,1994.[7]M.M.Ghangrekar,S.R.Asolekaretal.ExperiencewithUASBReactorStart2upunderDifferentOperatingConditions.WaterScienceandTechnology.1996,34(526):4212438.[8]GarlosAugustoL.,Chernicharo.etal.DevelopmentandEvaluationofaPartitionedUpflowAnaerobicSludgeBlanket(UASB)ReactorfortheTreatmentofDomesticSewageFROMSmallVillages.WaterScienceandTechnology.1999,40(8):1072113.4300722006-03-065682-6493200610245ANEXAMPLEOFTREATINGTHECHICKENCLAW2PROCESSINGWASTEWATERBYUASB2BIOLOGICALCONTACTOXIDATIONTECHNIQUEYangYifengWangShunfaWuXiaoetal(82),,AbstractThewastewaterfromprocessingchickenclawcontainslotsofgreaseandsuspendedmatter.Theprocessofoilseparation2UASB2biologicalcontactoxidation2flocculationisusedtotreatchickenclaw2processingwastewater,andtheresultshowsclearlythatthetechniqueisfeasiblandprossedwatercanbedrainedoffsafely.Keywordswastewaterofprocessingchickenclaw,UASBtechnologyandbiologicalcontactoxidationPILOT2SCALETESTOFUSINGFABRICFILLERTOREFORMTRADITIONALACTIVATEDSLUDGEPROCESSLiuHongtaoChenGuihongYeJipengetal(84),,,,,,,,,,,,,,,,,,AbstractHydrolysis2aerobicbiologicaltreatmentprocessbasedonfabricfillersisadoptedtotreatcitysewageinthepilottest.Thedesignfeatures,parameterandrunningeffectofthetechnologyaredescribed.Theresultsshowthatthetechnologyneedslowerinvestmentandrunningcost,theeffectiscontinuouslystable.Whenthewastewaterflowis114@104m3Pd,thehydraulicretentiontimeis1189h,thegaswaterratioreducestohalf,BOD5,CODCrandSSoftheeffluentmeetthefirst2orderofthenationaldischargestandard.TheremovaleffectofPandNbythisprocessisgreatlysuperiortothatofthetraditionalactivatedsludgeprocess,andtheaverageremovalefficiencyofTNandTPismorethan50%and70%respectively.Thetechnologyissuitableforreformingmiddleorsmallmunicipalwastewatertreatmentplants.Keywordsfabricfiller,hydrolysisandacidification,aerobicbiologicalcontractoxidization,runningeffectandnitrogen&phosphorusremovalTECHNICALREFORMOFDISCHARGINGOIL2SMELTINGCOMPOSITEWASTEWATERUPTOTHESTANDARDGaoJian(86),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractThefactorsinfluencingthequalityofeffluentwerefoundout,andreformingschemewasproposedforthesystemofaddingchemicals,releaserandbiochemicalsystem,bymeansofallcourseanalysisandtestingoftheproceduresofoil2smeltingcompositewastewatertreatment.Theresultsafterthereformshowedthatthedegradabilityoffloatationandthebiochemicalsystemwasimproved,thequalityoftheeffluentwasraisedremarkably,whichcouldbedischargeduptothestandard.Keywordsoil2smeltingwastewater,additionofchemicals,releaserandbiochemicalsystemPILOTTESTOFTREATINGURBANDOMESTICWASTEWATEROFLOWCONCENTRATIONUSINGUASBLuoWenshengZhangQ