常温条件下短程硝化反硝化生物脱氮影响因素的研究支霞辉

:,,1976,,。*“863”(No.2003AA601010-05)。常温条件下短程硝化反硝化生物脱氮影响因素的研究*支霞辉1丁峰2彭永臻3马鲁铭1(1.,200092;2.,　266033;3.,100022)　　SBR、NH+4-N、pH。20～25℃,pH8.5,[NO-2/(NO-2+NO-3)]90%。,,。　　Thestudyofshortcutnitrification-denitrificationatnormaltemperature　ZhiXiahui1,DingFeng2,PengYongzhen3,MaLuming1.(1.EnvironmentalInstitute,TongjiUniversity,Shanghai200092;2.EnvironmentalInstitute,Qingd-aoTechnologicalUniversity,QingdaoShandong266033;3.CollegeofEnvironmentalandEnergyEngineering,BeijingUniversityofTechnology,Beijing100022)Abstract:　Severalparameterwhichincludedsalinity,pH,NH+4-Nandtemperaturewerestudiedtoevaluatetheireffectstotheshortcutnitrification-denitrificationinthetreatmentofsalinitywastewaterwithSBRprocess.Itisfoundthatundertheconditionoftemperatureat20～25℃andpH8.5,theaveragerateofnitrosation[NO-2/(NO-2+NO-3)]isa-bove90%dependingincreasingtheconcentrationofinfluentammonia.Theresultindicatedthatnitrosomonhavestrongen-durancetosalinityandcankeepniceractivityintheenvironmentcontaininghighly-concentratedsalt.Keywords:　Shortcutnitrification-denitrificationNormaltemperatureRateofnitrosation　　NO-3,;NO-2,。。(FA)、DO、、pH、[1～3]。20～30℃。25℃,,[4]。SHARON30～35℃[5],,,、,。,,。11.1　实验装置　　SBR(1),12L。,;,;,,。1.2分析项目及监测方法　　CODCr;;;N-(1-)-;MLSS;pHpH(WTW);DODO。1　SBR2　　　,50～150mg/L,CODCr400～900mg/L,NaOHpH。,MLSS3000～5000mg/L,。254　　28　4　20064DOI:牨牥牨牭牴牳牭牤jcnki牨牥牥牨牫牳牰牭牪牥牥牰牥牬牥牥牭2.1温度对短程脱氮的影响　　(1)(2)[6,7]:KN=10(0.051T-1.158)(1)μN,max=0.47e0.098(T-15)(2):T,℃;KN,mg/L;μN,maxT℃,d-1。　　(2),,。pH8.5、DO2～3mg/L、MLSS4500mg/L,80～85mg/L,20、25、28、30、35℃,23。2,30℃35℃2h80%,4～5h;25℃28℃,6h80%;20℃,6h50%。(25℃),。2　3　　　3,。30℃35℃,,4～5h,3h;25℃28℃6h,2h。(30℃),,,。(25℃),(20℃),6h,。,、pH,,80%。2.2　盐度对短程脱氮的影响　　。,。　　,,。10%、15%、20%、30%、40%、50%、60%、70%()。25℃、pH8.5～9.0、80mg/L,。　　4,,。、pH,,。4　　　5,,50%2h50%,4h80%。6,,,。,。。5　15%、30%、50%6　2.3常温下pH对短程脱氮的影响　　pH。,pH7.4～8.3,pH8[8]。pH,pH255　[9]。25℃,68mg/L、pH8.687.16,,78。7　pH8　pH　　pH8.7388%,19.5mg/L;pH7.1670%,11.85mg/L,pH,。　　9,pH。pH,pH,;。9pH,pH。pH,。9　pH2.4常温条件下进水氨氮对短程脱氮的影响　　(FA)。FA[10,11]。FA[12,13],。1025℃、pH8.5,。10,,。FA,FA。10　　　111225℃、pH8.5,,。,5～6h,2h;,6～7h,3h。,,,,,,。11　12　3　　(1),(20～25℃),pH。　　(2),,,,。　　(3)pH,,。(下转第278页)256　　28　4　20064,“、、”。。[2],。,,,、、、,;,,,,。1　..(),2003-06-04(9)2　ZhuYG,ShawG.Soilcontaminationwithradionuclidesandpo-tentialremediation.Chemosphere,2000,41:121～1283　DushenkovS.Trendsinphytoremediationofradionuclides.PlantandSoil,2003,249:167～1754　DushenkovS,MikheevA,ProkhnevskyM,etal.Phytoremedi-ationofradiocesium-contaminatedsoilinthevicinityofCher-nobyl,Ukraine.Environ.Sci.&Tech.,1999,33:469～4755　DushenkovSD,VasudevY,KapulnikD,etal.RemovalofUfromwaterusingterrestrialplants.Environ.Sci.&Tech.,1997,37:3468～34746　FulbrightHH,Schwirian-SpannAL,JeromeKM,etal.Statusandpracticalityofdetritiationandtritiumreductionstrategiesforenvironmentalremediation.AikenSC:WestinghouseSavannahRiverCompany,19967　GroudevSN,SpasovaII,GeorgievPS.Insitubioremediationofsoilscontaminatedwithradioactiveelementsandtoxicheavymetals.Int.J.MinerProcess,2001,62:301～3088　,..(),　FuhrmannM,MitchML,StephenD,etal.Uptakeofcesium-137andstrontium-90fromcontaminatedsoilbythreeplantspecies:applica-tiontophytoremediation.J.Environ.Qual.,2002,31:904～90910　EntryJA,WatrudLS,ReevesM.Influenceoforganicamend-mentsontheaccumulationof137Csand90Srfromcontaminatedsoilbythreegrassspecies.Wat.Air&SoilPollut.,2001,126:385～39811　EntryJA,WatrudLS,ReevesM.Accumulationof137Csand90Srfromcontaminatedsoilbythreegrassspeciesinoculatedwithmycorrhizalfungi.Environ.Pollut.,1999,104:449～45712　EntryJA,EmminghamWH.Sequestrationof137Csand90SrfromsoilbyseedlingsofEucalyptustereticornis.Can.J.ForestRes.,1995,25:1044～104713　,,..(),2002,20(1):38～4114　ZhuYG,SmoldersE.Plantuptakeofradiocaesium:areviewofmechanisms,regulationandapplication.J.Experim.Bot.,2000,51(351):1635～164515　HuangJW,BlaylockMJ,KapulnikY,etal.PhytoremediationofU-contaminatedsoils:roleoforganicacidsintriggeringUhy-peraccumulationinplants.Environ.Sci.&Tech.,1998,32:2004～200816　VenekT.Radiophytoremediationfromlaboratorytofieldappi-cation.In:17thWCSS.Thailand,2002,8:50217　.、.,2001,17(4):56～6018　,,,.90Sr、137Cs-90Sr、137Cs.,CNIC-01021.199519　BroadleyMR,WilleyNJ.Differencesinrootuptakeofradiocaes-iumby30planttaxa.EnvironPollut,1997,97(1～2):11～1520　NisbetAF,WoodmanRFM.Soil-to-planttransferfactorsforradiocesiumandradiostrontiuminagriculturalsystems.HealthPhysics,2000,78(3):279～28821　,,,.134Cs.,2004,18(6):474～47922　MassasI,SkarlouV,HaidoutiC.Plantuptakeof134Csinrela-tiontosoilpropertiesandtime.J.Environ.Radioact.,2002,59:245～25523　SoudekP,PodrackáE,VágnerM,etal.226Rauptakefromsoilsintodifferentplantspecies.J.Radioanal.&Nucl.Chem.,2004,262(1):187～18924　Smith,CharlesJA,Kramer,etal.Removalofmetalsfromcon-taminatedsubstratesbyplants.US,6657106.2003-12-0225　NegriMC,HinchmanRR,WozniakJB.Capturingamixedcontaminantplume:tritiumphytoevaporationatArgonneNa-tionalLaboratory’sarea319.ArgonneIL:ArgonneNationalLaboratory,200026　..,2000,32(2):57～6127　,,.137Cs.,CNIC-01118.199728　,,,.137Cs.,CNIC-01301.199729　..,2006-01-26(9)责任编辑:贺锋萍　(:2005-05-