SBR系统中同时硝化反硝化生物脱氮研究张龙

2　SS1　CODCr,,。1、2。5　,pH、、、、,、,,、,。1　..:,1997.11.2　,,..:,1999.　　　100621　　(010)64564396E-mail　[e-mail]2004-08-19SBR系统中同时硝化反硝化生物脱氮研究张　龙　肖文德(,　200237)(,　200037)　李　伟　孙　璐(,　200237)　采用单级SBR系统处理含有机物和氨氮的模拟污水并研究了单级生物脱氮的主要影响参数。实验采用葡萄糖作为碳源、硫酸铵作为氮源,研究了不同的CN和DO对同时硝化反硝化作用的影响。研究结果表明,当进水CODCr、NH3-N浓度分别为244～500mgL和45.4～52.2mgL、反应条件为DO=1.0～3.0mgL、CODCrNH3-N=5～10时,反应器中CODCr、NH3-N的去除率分别达到87.1%～91.0%、75.1%～94.7%。根据试验结果,对同时硝化反硝化过程的一个代表性周期进行了分析。　生物脱氮　同时硝化反硝化　SBR系统1　,,,。,,(SimultaneousNitrificationandDenitrification,SND),(AerobicDenitrification),[1]、SBR[2]、[3]。,,,,。29　　　20058234DOI:10.13205/j.hjgc.2005.04.0102　2.1　实验装置SBR,8cm,55cm,2.5L。1。,,,DO,。,25～27℃;pH=7.6～8.5。1　SND1—;2—;3—SBR;4—;5—;6—;7—;8—;9—;10—;11—。0.5h,7h,0.5h,8h。1.28L。2.2　污泥驯化SBR,,CODCr200～300mgL。(MLSS)2900mgL。CN=20∶1,45d5600mgL,NH3-N95%,。2.3　实验用水,1。1　mgL　　NH3-N(N)45.4～52.2CODCr244～550NaHCO3124Na2HPO4·12H2O115CaCl2·2H2O22MgSO4·7H2O22FeCl3·7H2O1.53　3.1　硝化细菌的驯化和同时硝化反硝化作用,,,,,[4]。,,,,。DO3.0～6.0mgL,12h。2900mgL,(1),,,46～50mgL,25～30mgL,50%,,,,,。,(2),,NH3-N,,。,95%,。45d,,,5600mgL,90%,0,,2。2　　,DO1.0～3.0mgL,42.0～52.2mgL,。(),SBR。3.2　CN对同时硝化反硝化的影响CN,30　　　20058234。,。,,,[5],,、,,[6]。,,。DO=1.0～3.0mgL,26℃,,CODCr244mgL464mgL,CODCr、NH3-NTN。2。2　CNCODCr、NH3-NTNCNCODCrmg·L-1NH3-Nmg·L-1TNmg·L-152442346.82.5054.025.0104646045.48.550.514.0　　,NH3-N,CODCr(CN),NH3-N。,CODCr,,,。CODCrCN,TN,CN510,TN53.7%72.3%,,,,,,TN。3.3　溶解氧对同时硝化反硝化的影响,,,,;,,。,。,。,,DO;。,,。DO,,;DO,DO,,DO,(),,,。,,DO,DO,DO1.0、2.0、3.0mgL3SND,3。3　DOCODCr、NH3-NTNmgLDOCODCrNH3-NTN1.045043.547.011.754.016.32.047340.247.44.451.223.83.046460.046.82.5050.128.6　　,DO,。DO=1.0mgL,69.8%;DO=2.0mgL,53.5%;DO=3mgL,42.9%;DO5.0mgL,,10%,。,,,DO,,,TN。,DO,DO。DO,,,3DOCOD,。3,DO,NH3-N。DO2.0～3.0mgL,NH3-N90%。DO1.0mgL,NH3-N,31　　　20058234NH3-N,,5%,,DO,。,,DO,,DO1.0～2.0mgL。DO,,TN。,DO。,,,DO。3.4　同时硝化反硝化周期研究SBR,MLSS4880mgL,pH7.6～8.5,25～27℃,DO1.0～2.0mgL,CODCr245～255mgL,NH3-N45.0～52.2mgL,(NP)10,1,2h1,CODCr、NH3-N、NO-2-NNO-3-N,13。3　SBR13,SBR,1,NH3-N,80%NH3-N,8h,23.4mgL2.5mgL,,NO-2-NNO-3-N10mgL,NH3-N;CODCr4h464mgL100mgL,60～80mgL。:SBR,、。4　(1)DO1.0～3.0mgL,CN=5～10,NH3-N45.4～47.4mgL,42.9%～72.3%。,、。(2),。,,,CNDO,pH7.6～8.5,25～27℃,CN=10、DO=1.0～2.0mgL,TN。、、,DO,;,,pH。(3),、,。1　MasudaS,WatanabeYandIshiguroM.Bio-filmpropertiesandsimultaneousnitrificationanddenitrificationinaerobicrotatingbiologicalcontactors.WaterSci.Tech.,1991.23(9):1335～63.2　ElisabethVMetal.Simultaneousnitrificationanddenitrificationinbench-scalesequencingbatchreactor.WaterRes,1996.30(2):277～284.3　BruceER,WayneEL.Simultaneousdenitrificationwithnitrificationinsingle-channeloxidationditches.WPCF,1985.57(4).4　,,..,2002.21(9):527～529.5　,,..,1999.5(1):64～68.6　OkabeS,OzawaY,HirataR,etal.RelationshipbetweenpopulationdynamicsofnitrifiersinbiofilmandreactorperformanceatvariousC:Nratios.WaterRes.,1996.30:1563～1572.　　　200237　448　(021)64253173E-mail　[e-mail]2004-08-1632　　　20058234Keywords　artificialmarshsystem,municipalsewageandecologicaltreatingsystemAPPLICATIONOFANAEROBICPROCESSOFTWO-STAGEUPFLOWANAEROBICSLUDGEBEDINPHARMACEUTICALWASTEWATERPangYanetal(25)…………………………………………………Abstract　ItisverydifficultforanormalprocesstotreatanantibioticpharmaceuticalwastewaterwithCODCrof39000mgLandsulphateconcentrationofabout6500mgL.Two-stageanaerobicprocessissuggestedandusedforapharmaceuticalfactoryinShangdongProvince.Excellenteffectandeconomicbenefithavebeenobtained.Keywords　pharmaceuticalwastewater,two-stageanaerobicprocessandbiodesulphurationREGULATIONOFINFLUENCEFACTORSFORAOPROCESSINTREATINGAIRLINEFECALSEWAGEZhangZhiguangetal(27)………………………………………………………………………………………………Abstract　Inadditiontotreatmentofroutinedomesticsewagefromairportzone,CapitalAirportSewageTreatmentPlantstilltreatsairlinefecalsewage.Therewasaloadingshockonthesewagetreatmentsysteminthefirsthalfyearof2004duetomanycauses.Itisintroducedhowtoregulatetheprocessandrestoreanormaloperationofthesewagetreatmentsystemonconditionofaloadingshock.Keywords　airlinefecalsewage,activatedsludgeandregulationRESEARCHONSIMULTANEOUSNITRIFICATIONANDDENITRIFICATIONINSBRSYSTEMZhangLongetal(29)………………………………………………………………………………………………………………Abstract　AsinglestageSBRsystemfedwithasyntheticmunicipalwastewatercontainingorganicsandammoniawasinvestigated.Bytheadditionofglucoseascarbonsourceandammoniumsulfateasnitrogensource,theinfluencesofvarietiesofCNandDOconcentrationonsimultaneousnitrificationanddenitrification(SND)werealsoinvestigated.TheresultsshowedthatwhentheinfluentconcentrationsofCODCrandNH3-Nwere244～550mgL,45.4～52.2mgL,DO=1.0-3.0mgLandCODCrNH3-N=5～10respectively,theremovalratesofCODCrandNH3-Nreached87.1%～91.0%,75.1%～94.7%respectively.Consideringtheresearchresults,onetypicalcycleofSNDwasanalyzedsimultaneously.Keywords　biologicalnitrogenremoval,simultaneousnitrificationanddenitrificationandSBRsystemTHEEFFECTOFOZONIZATIONONDISSOLVEDORGANICMATTERINSECONDARYEFFLUENTANDANALYSISOFREACTIONKINETICSWangLeietal(33)…………………………………Abstract　Astudyonozonizationofsecondaryeffluentwasconductedwithdifferentretentiontime,andtheorganicspresenteddifferentmolecularsizedistributioncharacteristics,whichprovidedatheoreticalbasisfo