改良A2O工艺处理生活污水的脱氮除磷效果王琼

A2/O112111．1500902．100142A2/O、A2/O。A2/OCODCODCOD。A2/OTP29．11mg/L、PHA7．7mg/gMLSSA2/OTP18．05mg/L、PHA6．1mg/gMLSSA2/OA2/O。A2/OA2/OTU992．3C1000－4602201823－0100－05201603D111019－1GJ2017GJ0023NitrogenandPhosphorusＲemovalinDomesticSewagebyModifiedA2/OProcessWANGQiong1PANGXue-ling1SHIYan-wei2WENQin-xue1CHENZhi-qiang11．StateKeyLaboratoryofUrbanWaterＲesourceandEnvironmentHarbinInstituteofTechnologyHarbin150090China2．BeijingEnterprisesWaterGroupLimitedBeijing100142ChinaAbstractWithoutchangingthetotalreactionvolumeofthewastewatertreatmentplantamodi-fiedA2/Oprocesswasestablishedbyreducingthevolumeoftheanoxictankandsettingpre-anoxictankbeforeanaerobictanktoimprovethenitrogenandphosphorusremovalefficiencyofthetraditionalA2/Oprocessforthetreatmentofdomesticsewage．TheresultsshowedthatthemodifiedA2/Oprocesshadbet-terparticleCODremovalefficiencyandmoreparticleCODcouldbetransformedintosolubleCOD．ThemodifiedA2/Oprocesswaseasiertomeetthedemandofcarbonsourcefornitrogenandphosphorusre-movalwhichwassuitableforthetreatmentoflowcarbonsewage．TheeffluentTPandPHAoftheanae-robictankinthemodifiedA2/Oprocesswere29．11mg/Land7．7mg/gMLSSwhiletheeffluentTPandPHAoftheanaerobictankinthetraditionalA2/Oprocesswere18．05mg/Land6．1mg/gMLSSwhichindicatedthatthemodifiedA2/Oprocesshadbetterphosphorusremovalefficiency．ThereforethemodifiedA2/OprocesshadbettercarbonsourceutilizationcapacityandphosphorusremovalefficiencythanthetraditionalA2/Oprocess．KeywordsmodifiedA2/OprocesstraditionalA2/Oprocessdomesticsewagenitrogen·001·3423201812CHINAWATEＲ＆WASTEWATEＲVol．34No．23Dec．2018andphosphorusremovalcarbonresourceA2/O、、、1。A2/O。、2。、A2/OA2/OA2/OCODA2/OA2/O、COD。11.1A2/OA2/O2500mg/L。A2/OA2/O12L。A2/O、、、2、2、26LA2/O、、2、46L1。1A2/OA2/OFig．1FlowchartofmodifiedA2/OandtraditionalA2/OprocessA2/O70%30%。HＲT12hSＲT12～15d80%250%DO1．5～3．5mg/L。2500±500mg/L。50%50%COD246．2～435mg/L、29．8～39．5mg/L、26．4～36．9mg/L、4．1～7．3mg/L。1.2COD、TN、TP、NH+4－N、NO－3－N、NO－2－N《》4。CODCODtot4．4μmCODCODP0．45μmCODCODdisCODtotCODPCODCODSSCODPCODdisCODCODcol3。PHA。1～3。G=Cb－Ca×Ｒ+C0×0．71+Ｒ1U=Cb×1+r+Cd×r1+Ｒ+r－Cc2T=1－Cc×1+Ｒ+rCb×1+r+Cd×r3C0CaCbCcCdＲrGA2/Omg/LUA2/OA2/Omg/LTA2/OA2/O%。A2/OG'4。G'=Cb－C01+Ｒ422.1A2/O2d·101·．watergasheat．comA2/O342320dCODSS125．44mg/LA2/OCODSS50．58mg/LCODSS59．68%。A2/OCODSS79．86mg/LCODSS36．34%。A2/OCODSSA2/O23．34%。A2/OCODCODCOD、。2.22.2.1A2/OA2/O6．1mg/LA2/O0．51mg/L91．64%A2/O0．89mg/L85．41%。A2/OA2/O6．23%A2/OCODDO4A2/OA2/O。2.2.2TP。A2/O、、、、1、2、3TP6．98、29．32、29．11、4．27、0．84、0．67、0．58、0．51mg/LA2/O、、1、2、1、2、3TP6．98、18．05、11．16、5．45、1．2、1．1、0．9、0．9mg/L。A2/OA2/O11．06mg/L。A2/OTPA2/OTP。PHAPAOs。PHA2。A2/OPHA7．7mg/gMLSSA2/OPHA6．1mg/gMLSS。PAOsGAOsPHAA2/OA2/O。2A2/OA2/OPHAFig．2ChangeofPHAintypicalcyclebytraditionalA2/OandmodifiedA2/Oprocess。VFAVFA56。A2/OVFA。TN7。TPA2/OG13．36mg/LU8．25mg/LT66．7%A2/OG14．17mg/LU2．63mg/LT34．1%A2/OA2/O32．6%。A2/OA2/O·201·3423．watergasheat．com。2.3COD2.3.1CODCOD305．28mg/LA2/OCOD38．71mg/LCOD87%A2/OCOD39．88mg/LCOD87%。A2/OA2/OCODA。CODCOD。2.3.233．9mg/LA2/O13．2mg/L61%A2/O9．5mg/L72%。A2/OA2/O3．7mg/L11%。HＲTHＲTA2/OA2/O2hA2/OTNA2/O。3。3A2/OA2/OFig．3ＲemovalefficiencyofnitrogenbytraditionalA2/OandmodifiedA2/Oprocessduringstableoperationperiod336．87mg/L31．97mg/LA2/O2．42mg/L92%A2/O2．42mg/L92%。A2/OA2/O。A2/O0．2mg/LA2/O0．26mg/L。3A2/O9．46mg/LA2/O6．64mg/L。A2/OA2/O2．82mg/LA2/O2h。A2/OTNA2/O。3①A2/OCODSSA2/O23．34%。②A2/ODOA2/OA2/O32．6%、A2/OA2/O。③HＲTA2/OA2/O。1．AAOHＲTJ．201735151－54．LiuXinchaoJiaLeiYuQinetal．Treatmenteffectsofactualsewagebyanaerobic/anoxic/aerobicprocessindif-·301·．watergasheat．comA2/O3423ferentHＲTandrefluxratioconditionsJ．EnvironmentalEngineering201735151－54inChinese．2．A2/OJ．2010354119－120186．HuangChun．ApplicationofimprovedA2/OtechnologyinsewagetreatmentincoldregionsJ．EnvironmentalScienceandManagement2010354119－120186inChinese．3Al-JamalWMahmoudN．CommunityonsitetreatmentofcoldstrongsewageinaUASB-septictankJ．BioresourTechnol200910031061－1068．4FernándezFJCastroMCVillasenorJetal．Agro-foodwastewatersasexternalcarbonsourcetoenhancebiologi-calphosphorusremovalJ．ChemEngJ20111662559－567．5CarvalhoGLemosPCOehmenAetal．Denitrifyingphos-phorusremovalLinkingtheprocessperformancewiththemicrobialcommunitystructureJ．WaterＲes200741194383－4396．6KubaTVanLoosdrechtMCMHeijnenJJ．PhosphorusandnitrogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrificationinatwo-sludgesystemJ．WaterＲes19963071702－1710．7MaYPengYZWangXL．ImprovingnutrientremovaloftheAAOprocessbyaninfluentbypassflowbydenitrif-yingphosphorusremovalJ．Desalination20092461/3534－544．1990－。[e-mail]櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2018－05－2399WuChangyongChenZhiqiangPengYongzhenetal．Achievementandstabilityofshortcutbiologicalnitrogenremovalunderreal-timecontrolJ．ChinaWater＆Wastewater2006221939－43inChinese．2．SBＲJ．2009322134－137．XieQinglinLiXiaoxiaLiYanhongetal．StartupandfactorsaffectingofpartialnitrificationinsequencingbatchreactorJ．EnvironmentalScience＆Technology2009322134－137inChinese．3．AOB/NOBJ．20163682395－2401．BianWeiLiJunZhaoBaihangetal．TheeffectofAOB/NOBinnitrifyingsludgeonnitrificationcharacteristic