氨氮废水处理过程中的好氧反硝化研究吕锡武

　　(4),,,。。,,,1.5mg/L。,(8.0-1.5)×100000×365=237250kg。,,,。参考文献1　RichardIS,etal.PhosphorusandNitrogenRenovalFromMunici-palWastewater.NewYork,Lew'sPublishes,1991.141～2012　,..,1994,20(2):18～213　..:,19964　.A+A2/O.,1998,24(3):18～225　,..,1999,25(8):33～35⊙:541004　:(0773)1261855350,13707737123　:1999-12-29氨氮废水处理过程中的好氧反硝化研究吕锡武　李　峰　稻森悠平　水落元之　　　采用序批式反应器处理氨氮废水,试验结果验证了好氧反硝化的存在,好氧反硝化脱氮能力随混合液溶解氧浓度的提高而降低,当溶解氧浓度为0.5mg/L时,总氮去除率可达到66.0%。并结合理论分析,对好氧反硝化的机理进行了探讨。　氨氮　硝化　好氧反硝化　溶解氧　碳氮比0　:,,,,,。,(),A/O。,,;,,。,,,,。,。,,,(Aerobicdenitrification)[1～2]。30%[3]。。,,。1　1.1　,100mm,700mm,5L。12h,5,0.5h,3h,7h,1h,0.5h。28℃,3L(2L),25mL85d。1.2　,17　　　Vol.26　No.4　2000DOI:10.13789/j.cnki.wwe1964.2000.04.0063,COD/N5.78、4.262.03(),1。2　2.1　COD/NCOD/N,,NH3-N100%(99%),COD90%,。COD/N,NO-3-N18.79mg/L,23.6mg/L27.93mg/L。COD,NO-3-N,,,1。1　COD/NCOD/NCOD/mg/L/mg/L/mg/L/%/%/%5.78346.626.7592.2859.920.299.7018.7968.614.26252.9618.5292.6859.360.299.7023.6060.212.03106.612.8687.9452.640.299.6027.9346.88　　(1COD/N=2.03),,,(46.88%)。,COD/N(2.03),。,,,,,,。,COD/N4,。2.2　,COD/N=5.78,1。1,3.5h(0.5h3h),7h10.5h。。,,;2h,2h。1,1　,;2h,,,。,1COD/N,24.99%,17.16%3.92%。,,,,。COD,COD,,,2。2　COD2.3　COD400mg/L,NH3-N40mg/L,MLSS4000mg/L,TDO-100(DO)11h,DO4mg/L,2mg/L0.5mg/L,DO,3。3,DO,11h,100%,NH3-N100%。,DO,TN35.9%、47.5%、66.0%。18　Vol.26　No.4　2000　　3　DO。,DO,DO,。,,DO,,。3　,,,、。3.1　,。,[4],DO(DO0.1mg/L)。。。80,。PseudomonasSpp、Alcaligenesfaecalis、ThiosphaeraPantotropha,[5～6]。,[6]。Robertson,ThiosphaeraPantotropha/(),(,),Pdy-P-hydroxybuty-rate(PHB)。,DO,[5]。,,()[6]。3.2　。;。,:NH3※H2N-NH2※NH2-OH※N2※N2O(HNO)()※NO※NO-2※NO-3。,N2、N2ONO。、NO、N2O,10%[7],MarshallSpectorN2O50%～80%[8]。,,,DO,SRT,N2O[9];,N2O[10]。N2O,。,,N2O,,。3.3　(),(DO、),,、。:,μm,。,,(19　　　Vol.26　No.4　2000)。,、,,。,[11]。,,:DO、、、。,,,;,,。DO,,,。,,、、。,。,。,。,5%,、。,DO,,。,DO,(F/M)、。F/M、DO,。,F/M、DO,。,,,。4　,,DO。,,;,,,。参考文献1　HongWZhao,DonaldsMavinic,etal.Controllingfactorsforsimul-taneousnitrificationanddenitrificationinatwo-stageintermittentaerationprocesstreatingdomesticsewage.WaterResearch,1999,33(4):961～9702　HyungSeokYoo,etal.Nitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrification(SND)vianitriteinaintermittently-aeratedreactor.WaterResearch,1999,33(1):145～1543　RandallCW,BarnardJLandStenselHD.Designandretrofitofwastewatertreatmentplantsforbiologicalnutrientremoval.WaterQualityManagementLibrary,Vol.5,TechnomicPublishingCompa-ny,Inc,Lancaster,PA,19924　KnowlesR.Denitrification.MicrobiologyReview,1982,46.43～705　RobertsonLA,vanNielEWJ,etal.SimultaneousnitrificationanddenitrificationinaerobicchemostatculturesofThiosphaerapan-totropha.AppliedEnvironmentalMicrobiology,1988,54(1):2812～28186　VanNeilEWJ.Nitrificationbyheterotrophicdenitrifiersanditsrelationshiptoautotrophicnitrification.PhDThesis.DelftUniver-sityofTechnology,Delft,19917　HanakiK,HongZAndMatsuoT.Productionofnitrousoxidegasduringdenitrificationofwastewater.WaterScienceandTechnolo-gy,1992,26.10278　MarshallSpector.Productionanddecompositionofnitrousoxideduringbiologicaldenitrification.WaterEnvironRes,1998,70.1096～10989　ZhengHong,etal.Greenhousegas-N2Oproductionduringdenitri-ficationinwastewatertreatment.WatSaTech,1993,28(7):203～20710LloydHandKetchumJr.Designandphysicalfeaturesofsequencingbatchreactors.WaterScienceandTechnology,1997,35(1):11～1811,..:,1998⊙:210096　:[phone](H)　:2000-1-2620　Vol.26　No.4　2000　　WATER&WASTEWATERENGINEERINGVol.26No.4April2000CONTENTSWaterSupplyforMulti-StoryBuildingwithoutRoofWaterTankinHangzhouHongJueminetal(1……………………)Abstract:Thechangeofhydraulicstatuswasinvestigatedinthewatersupplysystemofmulti-storyresidentialbuildingswheretheroof-locatedwatertankhasbeenabandoned.Thestartingplantobuildsuchasystemisdescribed.Theneededinvestmentandoperatingfeearealsoestimated.DEOxidationDitchTreatingUrbanWastewaterYuanHonglinetal(6……………………………………………………)Abstract:ThetreatmentefficiencyoftheDEoxidationditchwasinvestigatedinBeishiqiaoWastewaterTreatmentCenterinXi'an.TheresultshowsthatthesystemhasachievedaremovalofCOD,TNandTPashighas87.5%～91.6%,63.6%～66.9%and85.0%～93.4%respectivelyandtheeffluentqualityisbetterthantheclassIIoftheNa-tionalStandard.Oneoftheprincipalfeaturesofthissystemisutilizingthehighadsorptionabilityofsludgeintheselec-tivebasinandthedecompositionabilityofbacteriaintheoxidationditchtoachievehighremovaloforganicandnutrientmatters.ApplicationofKMnO4-PACProcessforWaterPurificationZhaRenguangetal(9…………………………………………)Abstract:TheoperatingpropertyofcompositeKMnO4-PAC(powderactivatedcarbon)processwasevaluatedandtheireffectstoremovethecolority,tasteandturbidityofslightpollutedrawwaterandtoreducethealumconsumptionhavebeenprovedevidently.Thisprocesswillbeaneconomical,simpleandconvenientalternatetoimprovetheefficien-cyofoldwaterworks.Fe-MnRemovalandHardness-TSSReducinginWaterLiJizhenetal(12……………………………………………………)Abstract:Theresultsofjartest,benchscaleexperimentandpilotplantoperationshowthattheAeration-LimeAl-kalizationprocesscanreducetheTHandTSSlevelsimultaneouslywiththeremovalofFeandMn.Thetreatedwaterisquitegoodtomeettherequirementofnationaldrinkingwaterstandard.PracticeonBiologi