SBR工艺中DO和CN对同步硝化反硝化的影响刘军

21220036()JournalofBeijingTechnologyandBusinessUniversity(NaturalScienceEdition)Vol.21No.2Jun.2003　　:1671-1513(2003)02-0007-04SBRDOC/N刘　军,　潘　登,　王　斌,　汪　苹(北京工商大学化学与环境工程学院,北京　100037)　:采用SBR工艺处理氨氮废水,研究不同的DO和C/N对同步硝化反硝化的影响,探索硝化反硝化一体化工艺的规律和特性.发现当DO=1.60～1.80mg/L、CODCr/CNH+4-N=6.5或BOD5/NH+4-N=4时,TN的去除率分别达到最大.:SBR工艺;DO;C/N;同步硝化反硝化:X703;X52　　　　　:A:20021112::00KJ-044.:　(1978-),,,,.　　,,,,,,.,(SimultaneousNitrificationandDenitrifica-tion,SND),[1～5].,(AnaerobicAmmoniaOxidationAnammox)[6～7]、(Het-erotrophicNitrification)[8](Au-totrophicDenitrification)[9].,,,..(DO)(CODCr/NH+4-N,C/N)SBR,.1　1.1　,120mm,45cm,4L.13.5h,4,3h,8h,1.5h,1h,2L,2L.1.2　(NH+4-N):1L,.:NH4Cl∶54gNaHCO3∶100gKH2PO4∶10gFeCl3.6H2O∶2gCaCl2∶4gKCl∶4gNaCl∶4gMgSO4∶4gCNH+4-N=11000mg/L.:200g5L,,.CODCr=26000mg/L,BOD5=16000mg/L.7,.1.3　,C/N=4∶1,,C/N.,(MLSS)3000mg/L,CODCr90%,NH+4-N99%,.2　2.1　DOMLSS3500mg/L,pH7.6～8.3,20～25℃,DO2.90～3.10mg/L、2.30～2.50mg/L、1.60～1.80mg/L、0.90～1.10mg/L0.70～0.90mg/L,CODCr=700mg/L,CNH+4-N=107mg/L,BOD5/CODCr=0.6,(N/P)12.DO.1.1　DO8h,70%(TN),.DO.,DO;,DO,,.1,DO,NH+4-N.DO2.90～3.10mg/L、2.30～2.50mg/L1.60～1.80mg/L,NH+4-N.1.60～1.80mg/L,NH+4-N,,5%,,DO,.(NO-x-N,)DO,,,,DO,,,NO-x-N.DO=1.60～1.80mg/L,TN,DO1.60～1.80mg/L,,.,,DO,.DO,,TN.,DO.,,,DO.2.2　C/NDO1.60～1.80mg/L,pH、2.1,BOD5/CODCr=0.6,N/P=12,CNH+4-N=107mg/L,CODCr,C/N.2CODCr,.2　CODCr8()20036　C/N,,,C/N,;,.2,CODCr(C/N),NH+4-N.,CODCr,,,.NO-x-NCODCr,,.CODCr=700mg/L,C/N6.5,NO-x-N,.CODCr=700mg/L,C/N=6.5,BOD5/CNH+4-N=4,TN,74.09%.,NH+4-N,CODCr,C/N,.DO,.,,,;,,,.3　,,,DOC/N,MLSS3500mg/L,pH7.6～8.3,20～25℃,DO=1.60～1.80mg/L、C/N=6.5BOD5/CNH+4-N=4,TN.,,DO.,.,,.,、DO.,.、、;NO-2-NNO-3-N,NO-2-N,DO,;,,pH.,.:,,.:[1]　BruceE,Rittmann,WayneEL.Simultaneousdeni-trificationwithnitrificationinsingle-channeloxidationditchesJournal[J].WPCF,1985,57(4):300-308.[2]　PochanaK,KellerJ.Studyoffactorsaffectingsimul-taneousnitrificationanddenitrification(SND)[J].WatSciTech,1999,39(6):61-68.[3]　PochanaK,KellerJ,LantP.Modeldevelopmentforsimultaneousnitrificationanddenitrification[J].WatSciTech,1999,26(3～4):511-522.[4]　RobertsonLA.Simultaneousnitrificationanddenitri-ficationinaerobicchemostatculturesofthiosphaerapantotropha[J].AppliedandEnvironmentalMicrobi-ology,1998,54(11):2812-2818.[5]　,,　.[J].,2002,21(9):527-529.[6]　MulderA,VandeGraafA,RobextsonLA,etal.Anaerobicammoniaoxidationdiscoveredinadenitri-fyingfluidizedbedreactor[J].FEMSMicrobiolEcil,1995,16:177-184.[7]　VandeGraafA,MulderA,deBruijnP,etal.Anaerobicoxidationofammoniaisabiologicallymedi-atedprocess[J].AppliedandEnvironmentalMicrobi-ology,1996,6(4):1246-1251.[8]　HyungseokYoo,Kyu-HongAhn.Nitrogenremovalfromsyntheticwastewaterbysimultaneousnitrifica-tionanddenitrificationvianitriteinanintermittently-aeratesreactor[J].WaterResearch,1999,33(1):145-154.9　212　:SBRDOC/N[9]　RandallCW,BarnardJL,StenselHD.Designandretrofitofwastewatertreatmentplantsforbiologicalnutrientremoval[M].Pennsylvania:TechnomicPub-lishingComInc,1992.EFFECTOFDOANDC/NONSIMULTANEOUSNITRIFICATIONANDDENITRIFICATIONINSBRTECHNIQUELIUJun,　PANDeng,　WANGBin,　WANGPing(SchoolofChemicalandEnvironmentalEngineering,BeijingTechnologyandBusinessUniversity,Beijing100037,China)Abstract:StudiedtheeffectsofvariousDOandC/Nonsimultaneousnitrificationanddenitrifica-tionintreatingammonianitrogenwastewaterbySBRandexploredtherulesandcharacteristicsofSBRtechnique.DiscoveredthattheremovalTNratiowasmaximumwhenDO=1.60～1.80mg/L,CODCr/CNH+4-N=6.5andBOD5/CNH+4-N=4.Keywords:SBRtechnique;DO;C/N;SimultaneousNitrificationandDenitrification(:)10()20036