低氧活性污泥法脱氮除磷工艺生产性研究

()(),,,,,0.51.0mgöL,COD,,;;;1,,,,,,,,,,,[1],,2,,18,BODBOD750-120mgöL,411BOD300mgöL,500-120mgöL,,,DO02.5mgöL,BOD10mgöLSS10mgöLNH4-N1.0mgöL.4CASTCAST,,,CAST,,,,CAST,CAST51.Goronszy,M.C.,Eckenfelder,W.W.(1986)Floc-load2ingbiosorptioncriteriaforthetreatmentofcarbohydratewastewaterProc.41stIndustrialWastewaterConference.PurdueUniversity,USA.2.Goronszy,M.C.,(1989)SelectordesignforhighCODwastewaters-Acasehistory.Proc.IndustialWastewa2tersSymposium,WaterPollutionControlFederationConference.SanFrancisco.USA.3.Goronszy,M.C.,(1989)BatchreactortreatmentofdairywastewatersProc.44thIndustrialwastewaterCon2ference,PurdueUnversity,USA.211997Vol.13转载[2],2h2,3,,CODTNTP20%,COD95%,COD,COD,TKNTN90%80%NO-3-N22.5mgöL(,),TKN43.5mgöL,NO-3-N7.0mgL,TKN6.3mgöL,,21.7%,12.1%,66.2%,44.1,,,,SBR()()22Qm3ödHRThdkgBOD5öm3dkgBOD5ökgMLSSdMLSSmgöLMLVSSmgöLSVImLögCöN2100010.3150.7210.1461.320-254931291679.711.83(mgöL,)CODCrBOD5NH3-NNO-3-NNO-2-NTKNTNPO3-4-PTP797.3330.521.51.360.1266.267.71.9411.840.821.74.87.380.247.114.70.310.8794.9%93.4%89.3%78.3%93%:,DO,2,;,,,,,,311997Vol.13中国科技论文在线[3],,N2O[4]ThomasJ,Gereau:NO-2,N2O,N2ONO-20.3%10%N2O[5]K.OKADA,,N2O,NO-3N2ON2ON2,,N2,,,4.2,,,,,B(PHB);,,PHB,,PO3-4-PATP,P,,[6],,,,,,,(),,PHB:ATP,;,,,,,,1.5%2.0%,,3.7%,6.7%,55.1,,;,,,,,TN,,:0.30.8mgöL,1.0mgöL,12mgöL,0.31.5mgöL[7]0.51.0mgöL,,5.2,BoehnkeAB,,,,,,[2],,,Boehnke,,,ABAA15%[7],,411997Vol.13中国科技论文在线ökgMLSSd,,5.3CöNCöN,[8],CöN2.86,,CöN10,,5.4,1gNH3-N7.14,1gNO-3-N3.57g,,,,5.5,AöO,NO-X-N,,,1.21.5,66.1DO,EVITATM,DO,DONH3-NNO-X-NDO,NH3-NNO-X-N;DO,NH3-NNO-X-N,DO,,NH3-NNO-X-NDO0.51.0mgöL,NH3-N5mgöLNO-X-N7mgL6.2NH3-NNO-X-N,Dr.LangeNH3-NNO-X-N,,,,NH3-NNH3-N,6.3,DONH3-NNO-X-N,,,,,,,,7,DO0.51.0mgöL,COD,,COD95%,TN80%,TP90%,,,,0.873kWhöBOD5,10%,,,CöN,,81.19972.MLSS,Vol.19,No.8,19933.RobertsonL.A.AdvancedCoursesonenvironmentalbiotechnologyDelftUniversityofTechnology,Netherla2511997Vol.13中国科技论文在线()(PDF),PDF,,,,;;;1,,,,,(MFUF),,,,,,PDF22.1PDF,1.:,1530min,12mm1PDF1.2.3.4.DE5.:,,,,,:,,810Lösm2,5minnds19944.ThomasJ.GorearProductionofNO-2andN2ObynitrifyingBacteriaatreducedconcentrationofoxygenAppl.Environ.Microbio.No.9,19805.K,OKADAAmechanismforbiologicaldenitrifi2cationinaeratedlagoonsystemWaterpollutioncontrolindevelopingcountriesNo.2,19786.19927.BruceE.Rittmann,WayneE.LangelandSimulta2neousdenitrificationwithnitrificationinsin2glechanneloxidationditchesJournalWPCF,Vol2ume57,Number419858.1996:95:200092(1997-06-17)611997Vol.13中国科技论文在线(1997Supplement)Volume13December.27,1997MAINCONTENTSTHESESANDRESEARCHESWASTEWATERTREATMENTINCONSTRUCTEDDOWNFLOWREEDBEDS:EXPERIMEN-TALSTUDIESANDDESIGNEQUATION(4)G.SunK.R.GrayA.J.Biddlestone(TheUniversityofBirmingham,UK)Abstract:Studieswerecarriedoutonwastewatertreatmentusingconstructeddownflowreedbeds.Experimen2talresultsindicatethatsignificantBOD5andCODreductionscanbeobtainedinthesebedsowingtotheirgoodare2obictreatmentability,considerableamountsofSS.PO4-PandNH4-Ncanberemoved,andtheremovalratesofBOD5andCODincreasewithorganicloadandfeedingfrequencyanddecreasewithhydraulicloading.Adesigne2quationforthisdownflowreedbedswassetupbasedonanassumptionofBOD5removalcausedbytheconsecutiveprocessesofadsorptionandaerobicmicrobialdecomposition.Keywords:Constructedwetland;Downflowreedbed;Wastewatertreatment.APPLICATIONOFCYCLICACTIVATEDSLUDGETECHNOLOGYININDUSTRIALWASTEWATERTREATMENT(7)M.C.Goronszy(InterTech,Inc)MingquanZhuK.Wutscher(Schueffl&ForsthuborConsulting)Abstract:CyclicActivatedSludgeTechnology(CAST)isaviablechoiceforlarge-scalemunicipalwastewatertreatment,particularlywhennutrientremovalisofamajorconsideration.TreatmentofindustrialwastewaterbyCASThaspracticedformanyyears.Thispaperdiscussesthegeneraloperationprinciplesofthetechnology.Twocasehistories,oneforpapermillwastewatertreatmentandtheotherforchickenprocessingwastewatertreatment,arepresented.Keywords:Cyclicactivatedslugetechnology(CAST);Industrialwastewatertreatment;Papermilleffluenttreatment;Chickenprocessingwastewatertreatment.FULL-SCALESTUDYOFNITROGENANDPHOSPHORUSREMOVALBYLOWDOACTI-VATEDSLUDGEPROCESSES(12)XiaojunZhuTingyaoGaoZengyanZhou(TongjiUniversity)Abstract:Inviewofmoreandmoreseriouseutrophicationofwaterbodies,itisnecessaryforexistingwastewa2terplantstohavethefunctionofnitrogenandphosphorusremovalbyupgradingorretrofitting.LowDOactivatedsludgeprocesscanachievethispurpose.Full-Scaleexperimentsshowedthatundercertainconditionandmaintain2ingtheDOcontentinaerationbasinatavaluebetween0.51.0mgöL,theprocessraiseditsnitrogenremovalsig2nificantlyandimproveditsphosphorusremovaltosomeextent,whileachievingahighdegreeofCODremoval.Themechanismofnitrogenandphosphorusremovalforthisprocesswasintroducedinthispaper.Theprocessparame2SponsoredbytheDepartmentofUrbanConstructionofTheConstructionMinistryEditedbytheChinaWater&WastewaterEditorialBoardEditorinchiefZ