搜索
5410Vol15410200310JournalofChemicalIndustryandEngineering(China)October2003(,150001)(,100022)X703A0438-1157(2003)10-1482-04NITROGENREMOVALFROMHIGHAMMONIAPHARMACEUTICALWASTEWATERviaNITRITELIYongzhi(CollegeofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150001,Heilongjiang,China)PENGYongzhenandWANGShuying(CollegeofEnvironmentalandEnergyEngineering,BeijingUniversityofTechnology,Beijing100022,China)AbstractInthisstudy,laboratory2scaleexperimentswereconductedbyusingSequencingBatchReactor(SBR)activatedsludgeprocesstotreatwastewaterstreamfromapharmaceuticalfactory1Biologicalnitrogenremovalcanbeachievedviapartialnitrificationanddenitrificationanditsefficiencywasabove99%at2311Theexperimentalresultsindicatedthatthenitriteoxidizersweremoresensitivethanammoniaoxidizerstothefreeammoniainwastewater1TheammoniawasoxidizedatpH7and715respectively,whichsuggestedacriticalfreeammoniaconcentrationof012mgL-1atwhichthenitriteoxidizerswereinhibited.Keywordspartialnitrificationanddenitrification,pharmaceuticalmanufacturingwastewater,biologicalnitrogenremoval,freeammonia(FA),on2linecontrol2003-04-10,2003-07-07.:,,32,.:(No150138010).,,.,25%,40%,,[15].,[6].pH,Receiveddate:2003-04-10.Correspondingauthor:LIYongzhi,PhDcandidate.E-mail:gislyz@sohu1comFoundationitem:supportedbytheNationalNaturalScienceFoundationofChina(No150138010).(SBR).,5.pH,SBR,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7].1111,,pH.(COD)5(BOD5)(NH+4$N)(TN)(TP):250500mgL-1130280mgL-180200mgL-190240mgL-112mgL-1,(CaCO3)8001400mgL-1,pH818916.1121.SBR,70cm,30cm,,15L.,,.Fig11SBRexperimentandcontrolsystem1mixer;2outlet;3diffuser;4wastesludge;5dataacquisitionsystemSBR:,,,.,COD(DO)(O2RP)pH.HClNaHCO3pH.113COD5B22COD,NH+42N,NO-22NN2(12),NO-32N.DOpHORPYSIWTWHANA.(FA)(mgNH32NL-1)FA=1714[NH+42N]10pHe6344P(273+t)+10pH22115L,9L,9L,14L,64%.,,COD350mgL-1.35,COD80%98%.,,COD,.25,98%.212260,.1.1,,COD100mgL-11mgL-1,80%99%.COD,.90%,,.Table1ExperimentdataduringsteadyperformancetermCycleConcentrationofCODPmgL-1InfluentEffluentRemoverateP%ConcentrationofNH+42NPmgL-1InfluentEffluentRemoverateP%NitriteratioP%(NO-22NPNO-x2N)6036056841380013299169614684809280181500188991493127342076811812001629914931784380668216110015199159219924007880149001439915951838415410:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(FA)COD,DOORPpH23.50121mgL-1,pH9161,38153mgL-1.,1139mgL-1,4217mgL-1,(NO-22NPNO-x2N)9618%.,.Fig12TrackstudyofSBRfornitrogenremovalvianitriteFig13DO,pHandORPmonitedduringnitrogenremovalvianitriteinSBR3,pHORP.,pH,.160min,pH,,.,.,ORP,310min,,.,ORP.214pHSBR,(231),HClNaHCO3pH710715,pH.pH715(4),0120min,50189mgL-110195mgL-1,0195mgL-10120mgL-1.,,.120min,,,,,,.Fig14Effectoffreeammoniaonammoniaoxidization(pH=715)pH710(5),090min,0130mgL-10120mgL-1.,,.012mgL-1,,.pH715710,012mgL-1,,,.4841200310©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(pH=710)3pH,231,,99%,.,pHORP,,.,012mgL-1,,.References1VanLoosdrechtMCM,JettenMSM1MicrobiologicalConversionsinNitrogenRemoval1WaterScienceandTechnology,1998,38(1):172HellingaC,Schellen,MulderJW,vanLoosdrechtMCM,HeijnenJJ.TheSHARON2process:anInnovativeMethodforNitrogenRemovalfromAmmoniumRichWastewater1WaterScienceandTechnology,1998,37(9):1351423VanDongenU,JettenMSM,VanLoosdrechtMCM1TheSharon2AnammoxProcessforTreatmentofAmmoniumRichWastewater1WaterScienceandTechnology,2001,44(1):1531604AbelingU,SeyfriedCF1Anaerobic2aerobicTreatmentofHigh2strengthAmmoniaWastewater2NitrogenRemovalviaNitrite.WaterScienceandTechnology,1992,26(526):100710155MauretM,PaulE,Puech2CostesE,Maurette,MT,BaptisteP1ApplicationofExperimentalResearchMethodologytotheStudyofNitrificationinMixedCulture1WaterScienceandTechnology,1996,34(122):2452526CecenF,GonencIE1NitrogenRemovalCharacteristicsofNitrificationandDenitrificationofChemicalProcessingWastewater1WaterScienceandTechnology,1994,29(10211):4094167AndreottolaG,FoladoriP,RagazziM1On2lineControlofaSBRSystemforNitrogenRemovalfromIndustrialWastewater1WaterScienceandTechnology,2001,43(3):9310058415410:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.