搜索
:,,1976,,3863(No.2003AA601010205)31231(1.,200092;2.,266033;3.,100022)SBRNH+42NpH2025,pH8.5,[NO-2/(NO-2+NO-3)]90%,,Thestudyofshortcutnitrification2denitrificationatnormaltemperatureZhiXiahui1,DingFeng2,PengYongzhen3,MaLuming1.(1.EnvironmentalInstitute,TongjiUniversity,Shanghai200092;2.EnvironmentalInstitute,Qingd2aoTechnologicalUniversity,QingdaoShandong266033;3.CollegeofEnvironmentalandEnergyEngineering,BeijingUniversityofTechnology,Beijing100022)Abstract:Severalparameterwhichincludedsalinity,pH,NH+42Nandtemperaturewerestudiedtoevaluatetheireffectstotheshortcutnitrification2denitrificationinthetreatmentofsalinitywastewaterwithSBRprocess.Itisfoundthatundertheconditionoftemperatureat2025andpH8.5,theaveragerateofnitrosation[NO-2/(NO-2+NO-3)]isa2bove90%dependingincreasingtheconcentrationofinfluentammonia.Theresultindicatedthatnitrosomonhavestrongen2durancetosalinityandcankeepniceractivityintheenvironmentcontaininghighly2concentratedsalt.Keywords:Shortcutnitrification2denitrificationNormaltemperatureRateofnitrosationNO-3,;NO-2,(FA)DOpH[13]203025,,[4]SHARON3035[5],,,,,,11.1SBR(1),12L,;,;,,1.2CODCr;;;N2(12)2;MLSS;pHpH(WTW);DODO1SBR2,50150mg/L,CODCr400900mg/L,NaOHpH,MLSS30005000mg/L,45228420064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)(2)[6,7]:KN=10(0.051T-1.158)(1)N,max=0.47e0.098(T-15)(2):T,;KN,mg/L;N,maxT,d-1(2),,pH8.5DO23mg/LMLSS4500mg/L,8085mg/L,2025283035,232,30352h80%,45h;2528,6h80%;20,6h50%(25),233,3035,,45h,3h;25286h,2h(30),,,(25),(20),6h,,pH,,80%2.2,,,10%15%20%30%40%50%60%70%()25pH8.59.080mg/L,4,,pH,,45,,50%2h50%,4h80%6,,,,515%30%50%62.3pHpH,pH7.48.3,pH8[8]pH,pH552©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[9]25,68mg/LpH8.687.16,,787pH8pHpH8.7388%,19.5mg/L;pH7.1670%,11.85mg/L,pH,9,pHpH,pH,;9pH,pHpH,9pH2.4(FA)FA[10,11]FA[12,13],1025pH8.5,10,,FA,FA10111225pH8.5,,,56h,2h;,67h,3h,,,,,,11123(1),(2025),pH(2),,,,(3)pH,,(278)65228420064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],,,,,;,,,,1..(),2003206204(9)2ZhuYG,ShawG.Soilcontaminationwithradionuclidesandpo2tentialremediation.Chemosphere,2000,41:1211283DushenkovS.Trendsinphytoremediationofradionuclides.PlantandSoil,2003,249:1671754DushenkovS,MikheevA,ProkhnevskyM,etal.Phytoremedi2ationofradiocesium2contaminatedsoilinthevicinityofCher2nobyl,Ukraine.Environ.Sci.&Tech.,1999,33:4694755DushenkovSD,VasudevY,KapulnikD,etal.RemovalofUfromwaterusingterrestrialplants.Environ.Sci.&Tech.,1997,37:346834746FulbrightHH,Schwirian2SpannAL,JeromeKM,etal.Statusandpracticalityofdetritiationandtritiumreductionstrategiesforenvironmentalremediation.AikenSC:WestinghouseSavannahRiverCompany,19967GroudevSN,SpasovaII,GeorgievPS.Insitubioremediationofsoilscontaminatedwithradioactiveelementsandtoxicheavymetals.Int.J.MinerProcess,2001,62:3013088,..(),:applica2tiontophytoremediation.J.Environ.Qual.,2002,31:90490910EntryJA,WatrudLS,ReevesM.Influenceoforganicamend2mentsontheaccumulationof137Csand90Srfromcontaminatedsoilbythreegrassspecies.Wat.Air&SoilPollut.,2001,126:38539811EntryJA,WatrudLS,ReevesM.Accumulationof137Csand90Srfromcontaminatedsoilbythreegrassspeciesinoculatedwithmycorrhizalfungi.Environ.Pollut.,1999,104:44945712EntryJA,EmminghamWH.Sequestrationof137Csand90SrfromsoilbyseedlingsofEucalyptustereticornis.Can.J.ForestRes.,1995,25:1044104713,,..(),2002,20(1):384114ZhuYG,SmoldersE.Plantuptakeofradiocaesium:areviewofmechanisms,regulationandapplication.J.Experim.Bot.,2000,51(351):1635164515HuangJW,BlaylockMJ,KapulnikY,etal.PhytoremediationofU2contaminatedsoils:roleoforganicacidsintriggeringUhy2peraccumulationinplants.Environ.Sci.&Tech.,1998,32:2004200816VenekT.Radiophytoremediationfromlaboratorytofieldappi2cation.In:17thWCSS.Thailand,2002,8:50217..,2001,17(4):566018,,,.90Sr137Cs290Sr137Cs.,CNIC201021.199519BroadleyMR,WilleyNJ.Differencesinrootuptakeofradiocaes2iumby30planttaxa.EnvironPollut,1997,97(12):111520NisbetAF,WoodmanRFM.Soil2to2planttransferfactorsforradiocesiumandradiostrontiuminagriculturalsystems.HealthPhysics,2000,78(3):27928821,,,.134Cs.,2004,18(6):47447922MassasI,SkarlouV,HaidoutiC.Plantuptakeof134Csinrela2tiontosoilpropertiesandtime.J.Environ.Radioact.,2002,59:24525523SoudekP,PodrackE,VgnerM,etal.226Rauptakefromsoilsintodifferentplantspecies.J.Radioanal.&Nucl.Chem.,2004,262(1):18718924Smith,CharlesJA,Kramer,etal.Removalofmetalsfromcon2taminatedsubstratesbyplants.US,6657106.200321220225NegriMC,HinchmanRR,WozniakJB.Capturingamixedcontaminantplume:tritiumphytoevaporationatArgonneNa2tionalLaboratorysarea319.ArgonneIL:ArgonneNationalLaboratory,200026..,2000,32(2):576127,,.137Cs.,CNIC201118.199728,,,.137Cs.,CNIC201301.199729..,2006201226(9):(:2005205223)(256)1,,..,2000,16:29312,,..,2000,(3):173..,2000,11:21234CollivignarelliC,BertanzaG.Simultaneousnitrification2denitrifi2cationproc