SBR法处理垃圾渗滤液及其同时硝化反硝化生物脱氮研究

25220064SICHUANENVIRONMENTVol125,No12April2006:2005211207:(2002C32108):(1980-),,,2003,SBR,,(,510640):SBR,C/NDOMLSS:C/NMLSS;DO,;CODCrNH32N420mg/L112mg/L,DOMLSS115mg/L5016mg/L,CODCrNH32NTN81154%96157%46166%,:;;;:X703:A:100123644(2006)0220021205ResearchonTreatmentofLandfillLeachatebySimultaneousNitrificationandDenitrificationinSBRSystemSHIYong,ZHOUShao2qi,ZHANGHong2guo(CollegeofEnvironmentalScience&Engineering,SouthChinaUniversityofTechnology,Guangzhou510640,China)Abstract:Urbanlandfillleachatewastreatedbysequencingbatchreactor(SBR)system1TheinfluenceofvariousC/N,DOandMLSSconcentrationsontheprocessofsimultaneousnitrificationanddenitrificationwasstudied1TheresultsshowthatundertheexperimentalconditionstheremovalrateoftotalnitrogenhadatendencytorisewiththeincreaseofC/NandMLSS1Inaddition,thelowertheDO,thehigherthenitrogenremovalrate1WhentheconcentrationsofCODCr,NH32N,DOandMLSSwere420mg/L,112mg/L,115mg/Land5016mg/L,respectively,ininfluent,theremovalratesofCODCr,NH32NandTNwere81154%,96157%and46166%respectively1OnetypicalcycleofSNDwasanalyzedonthebasisoftheresults1Keywords:Simultaneousnitrificationanddenitrification;landfillleachate;sequencingbatchreactor;C/N:[1],,,A/OA2O,,(SimultaneousNitrificationandDenitrification,SND),[2]SBR[3][4][58],SND,,,SND[9],:;;,[10],,,,SBR,C/NDOMLSS©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,112(7),1:1Tab11CharactersofthelandfillleachatepHCODCrBOD5TNTP71618164172124234737084356875557854135625912182112:pH,mg/L;CaCO3113SBR,,,15mg/LMLSS=3000mg/L,14,23,32,4145d,,5300mg/L,CODCr75%90%,114[11]:(CODCr);(TN)(NH32N)(NO-22N)(NO-32N)N2(1-)2;(DO)YSI2550;pHPHS23C11512h:015h,3h,5h,1h,015h,2h25L,50%2211C/N,,C/N5L,25L,NH32N112mg/L,C/N710416311(C/N),DO115mg/L,MLSS5000mg/L,SBR(),222C/NFig12RemovaloftheTNatdifferentC/N:CODCr80%,NH32N90%,,2225©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mg/L)C/NCODCr(%)NH32N(%)(%)311408127513811541121631869615713015691646166416610127618871411131251599510613312551858111710908117816911341121861589411613011471663142;CODCr,NH32N,,CODCr,,,;C/N,,TN,,;,,,,,(C/N=311),,,,,,,,,C/N212DO,,,;,,NO-3,,,,DO642015mg/L,DO(33)3DOTab13EffectofdifferentDOonSND(mg/L)DOCODCr(%)NH32N(%)(%)6413166316841621151601599914913516911932123440912681983116107181116981921261982163419124051275168113411813315896197140116516531180154031378168015110513818991156120166213481343DOFig13RemovaloftheTNatdifferentDO3,DO32123%34191%53118%48134%SBR,,DODO,;,,0152mg/L,,,;:DO216mg/L,[12],DO46mg/L,,,322:SBR©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(CODCr)/(kgMLSSd),44MLSSTab14EffectofdifferentMLSSonSND(mg/L)MLSSCODCr(%)NH32N(%)(%)31234191201371129120131516871031351778154211542564261101374111124138196921791411370184918950084299113781721281631529712614416641255160622442087167911412112311297143136175918561254MLSSFig14RemovaloftheTNatdifferentMLSS4,MLSS3123mg/L,,CODCr7110%8714%4213%MLSS3123mg/L5008mg/L,SBR,CODCrNH32NTN7145%10123%13145%,,,;MLSS5008mg/L6224mg/L,CODCr0142%0117%0165%,,,SSMLSS5000mg/L214211C/N311CODCrN(56)5CODCrFig15ChangeofCODCrinonetypicalcycle6NFig16ChangeofNinonetypicalcycle015h,CODCr,,3h,13174225©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:SBR,3,C/N(710416311),CODCrNH32N,,CODCr,,TN,,C/N015246mg/L,;,0152mg/L,MLSS,,;MLSS6000mg/L,,,SS,;MLSS5000mg/LSBR,CODCr420mg/L,NH32N112mg/L,MLSS5016mg/L,DO115mg/L,CODCrNH32NTN81154%96157%46166%,,:[1]1(2)[M]1:,1997119222091[2]ChristineHelmer,SabineKunst1Simultaneousnitrificationanddenitrificationinanaerobicbiofilmsystem[J]1Wat1Sci1Tech,1998,37(45):18321871[3]ElisabethVMunch,PaulLantJurgKeller1Simultaneousnitrifi2cationanddenitrificationinbenchscalesequencingbatchreactor[J]1WaterRes1,1996,30(2):27722841[4],,1Carrousel/(SND)[J]1,2002,23():402431[5]ZhouSQ1Theoreticalstoichiometryofbiologicaldenitrifications[J]1Environmentaltechnology,2001,22(8):86928901[6]VandeGraafA,MulderA,deBruijnP,etal1Anaerobicoxida2tionofammoniaisabiologicallymediatedprocess[J]1AppliedandEnvironmentalMicrobiology,1996,6(4):1246212511[7]HyungseokYoo,Kyu2HongAhn1Nitrogenremovalfromsyn2theticwastewaterbysimultaneousnitrificationanddenitrificativianitriteinanintermittentlyaeratesreactor[J]1Water1Re2search,1999,33(1):14521541[8],,,1[J]1,2000,26(4):172201[9],1[J]1,2000,1(6):112191[10],1[J]1,2005,24(1):872901[11]1(4)[M]1:,20021[12]HongWZhao,DonaldSMavinic,WilliamKOldham1Controllingfactorsforsimultaneousnitrificationanddenitrificationinatwo2stageintermittentaerationprocesstreatingdomesticsewage[J]1Wat1Res,1993,33(4):97129781(17)415(COD),,:[1]1()[M]1:,19971922951[2],,,,1[M]1:,2002127822821[3],1[M]1:,2001168271,1542159,2442246,28022831522:SBR©1994-2007ChinaAcademicJournalElectronicP