城市污水SBR法短程生物脱氮的中试研究杨庆

2007,27(2)150~154ChinaEnvironmentalScienceSBR1,1,1,2,1(1.,1000222.,150090)60m3/dSBR.,/,,,25%.98.2%,,95%./.SBRX703.1A10006923(2007)02015005Apilotscalestudyonshort-cutbiologicalnitrogenremovalofmunicipalwastewaterwithSBRprocess.YANGQing1,WANGShu-ying1,YANGAn-ming1,GUOJian-hua2,PENGYong-zhen1*(1.KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentRecoveryEngineering,BeijingUniversityofTechnology,Beijing100022,China2.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China).ChinaEnvironmentalScience,2007,27(2)150~154AbstractTheeffectandstabilityofshort-cutnitrogenremovalofactualmunicipalwastewaterwerestudied,adoptingSBRtechniquelargetypescalesystemwithtreatmentcapacityof60m3/d.Throughcomparinganalysisoftraditionaltimecontrolmodelandon-lineactualtimecontrolmodel,thereactiontimereducedgreatlyandtheexternalcarbonsourcecouldbesavedmorethan25%withreal-timecontrol,underthepremiseofreachingnitrogenremovaleffectofsamedepth.Thesystembasedonthepledgedaveragetotalnitrogenremovalrateof98.2%,obtainedgoodshort-cutnitrationeffect,thesubnitrationofeachaerobicreactionwasallabove95%.Theaccurateon-linerealtimeprocesscontrolandalternativeanoxic/aerobicoperatingmodewerethemainfactorsoftheachievementandstabilizationoftheshort-cutbiologicalnitrogenremoval.KeywordsmunicipalwastewaterSBRshort-cutbiologicalnitrogenremovalpilotscaleexperiment,,,C/N.,,C/N,[1].,.60m3/dSBR,C/N.1,,SCOD142.3mg/L,NH4+N55mg/L,TN65mg/L,C/N.,SBR,,20060731863(2004AA601020);*,,[e-mail]2SBR15154m3,1.,,,,,.,,,1.44m3/min,,,2,,/,,.DOORPpH,,,CODNH4+NNO2NNO3NMLSS.,,.MLSS2500mg/L,SRT12~15d.1Fig.1Schematicdiagramandinstructionsofthepilot-scalereactor[2],.2/,/,,(DO2mg/L),(FA2mg/L),60,.=NO2N/(NO2N+NO3N).2.1SBR40min(17m3),330min,40min,NH4+N.,,NH4+N,NO2NNO3N.,.,,40min(17m3),180min.,NO2NNO3N,180min,2,150min,,2.,2L,,140min.,.2,250minNH4+N152272mg/L,100min,NH4+N,,,NO2NNO3N,,.12.2SBRFig.2Nitrogenremovaleffectinthetraditionaltimecontrolmode×SCOD2.2,SBR,[37],/,2SBR,(3).30min,,pHa,bcde./,98.2%,,197.9%,290.5%.,,25%./,3,4.2,.3/15%,,98%,100%.,3,,.32SBRFig.3Nitrogenremovaleffectandthevariationofon-linecontrolparametersoftwostepfeedinginreal-timecontrolmode×SCODDOORPpH2.32.3.1pH(34bd),pH,.,,,,2SBR153.43SBRFig.4Nitrogenremovaleffectandthevariationon-linecontrolparametersofthreestepfeedinginreal-timecontrolmode×SCODDOORPpH2.3.2//,.,(NO2N→NO3N),,,.32.,,.SBR,,140min,,.,,,,,.,/SBR.,CesarMota[8]NOBAOB,/,.Turk[9]./,FA,,.YooHyungseok[10]/SBR.2.3.3TN18%~30%,,.33.1/,,98.2%,,95%.,25%.3.2.3.3/.[1]KimDong-Jin,KimSun-Hee.Effectofnitriteconcentrationonthedistributionandcompetitionofnitrite-oxidizingbacteriainnitratationreactorsystemsandtheirkineticcharacteristics[J].WaterResearch,2006,40:887894.[2].[M].:,2002.15427[3]PengYong-zhen,GaoJing-feng,WangShu-ying,etal.UsepHandORPasfuzzycontrolparametersofdenitrificationinSBRprocess[J].Wat.Sci.Tech.,2002,46(4/5):131137.[4],,,.SBR[J].,2000,16(4):58.[5],,,.ORPpH[J]..2003,35(6):647650.[6],,,.pHORPSBR[J].,2006,7(12):3235.[7],,,.SBR[J].,2007,27(1):6266.[8]CesarMota,MelanieAHead,JenniferARidenoure,etal.Effectsofaerationcyclesonnitrifyingbacterialpopulationsandnitrogenremovalinintermittentlyaeratedreactors[J].AppliedandEnvironmentalMicrobiology,2005,71(12):85658572.[9]TurkO,MavinicDS.Preliminaryassessmentofashortcutinnitrogenremovalfromwastewater[J].Can.J.Civ.Eng.,1986,13,600605.[10]YooHyungseok,AhnKyu-hong,LeeHyung-jib,etal.Nitrogenremovalformsyntheticwastewaterbysimultaneousnitrificationanddenitrificationvianitriteinanintermittently-aeratedreactor[J].Wat.Res.,1999,33(1):145154.(1979),,,,.2.,.Voyageurs,.,2090.WisconsinJimWiener,.17,19902/3.Wiener,,,5~10.EdSwain:,.,.PenobscotDrewBodaly:,.Bodaly,pH.EnvironmentalScience&Technology,October15,6190-6191(2006)