城市污水短程硝化的快速启动试验研究徐浩

510060C/NSBＲ。DO2．5mg/L13dSBＲ、30±1℃、pH7．8～8．235dC/N94%。SBＲAOB/NOB38．1∶1。1．5L/L·h4h。AOB/NOBTU992．[e-mail]-upofShort-cutNitrificationProcessforTreatmentofUrbanSewageXUHaoLIJieLUOFanLIHaoGuangzhouMunicipalEngineeringDesign＆ＲesearchInsitituteCo．Ltd．Guangzhou510060ChinaAbstractTherapidstart-upmethodandthemaincontrolconditionsofshort-cutnitrificationwereexploredinaSBＲforthetreatmentoflowC/Nratiourbansewage．Thereactorwasinoculatedwithre-turnedsludgefromasecondarysedimentationtankinanurbanwastewatertreatmentplant．Theresultsshowedthathigh-efficiencyshort-cutnitrificationforthetreatmentoflowC/Nratiourbansewagewassuc-cessfullyachievedafter35daysofcontinuousoperationinwhichthenitriteaccumulationratereached94%．TheoperationalconditionsincludedcontinuousaerationDOwasabout2．5mg/Loftheinocu-latedsludgefor13dayscontinuousandconstantoxygensupplyintheSBＲtemperatureof30±1℃andpHof7．8－8．2．Accordingtodetectionresultsofthechangesofstrainsintheactivatedsludgedur-ingthecultivationprocesstheratioofAOBtoNOBreached38．1∶1afterthestableoperationoftheSBＲ．Throughtheaerationoptimizationstrategythemaximumaccumulationofnitriteoftheshort-cutni-trificationwasachievedin4hourswhentheaerationratewas1．5Lgas/Lliquid·h．Keywordsurbansewageshort-cutnitrificationSBＲAOB/NOBaerationrate。SBＲ、、pH。1SBＲ·69·3423201812CHINAWATEＲ＆WASTEWATEＲVol．34No．23Dec．201828±0．5℃、0．3m3/h67d80%2280～300mg/L、HＲT12h、pH7．5～8．5、28±1℃、0．8～1．2mg/L95%。。C/N、、、DOpH、。11.11。SBＲ100cm80cm500L。400L。20mm。。SBＲ。1SBＲFig．1SchematicdiagramofSBＲreactor1.2。NH+4－N30～35mg/L、COD150～200mg/L、BOD5110～145mg/L、pH7．1～7．2、NO－3－N0．03～0．30mg/L。1.3NH+4－NNO－2－NN－1－－NO－3－NDOpH、starter3cpHCODCODMLSSOＲPHQ－40d。16SrDNA。1.4SBＲ2500～3000mg/L13dDO2．5mg/LSBＲ8h0．5h、6h、1h、0．5h30±1℃pH7．8～8．21．5L/L·h14～21DO、OＲP、pH30±1℃pH7．8～8．21．5L/L·h22～27、、、0．5、5、1、0．5h28～35、、、0．5、4、1、0．5h。22.12。2a13dAOBNOB。6h93%NO－2－N。。2bAOB5h97%NOBAOBNO－2－N·79·．watergasheat．com342347．9%。2c4hAOB7d100%NO－2－N94%、NO－2－N。2Fig．2Changeofnitrogenatdifferentstages35dC/NSBＲ。13d、。30±1℃、pH7．8～8．2、1．5L/L·h①0．5h+6h+1h+0．5h8d②0．5h+5h+1h+0．5h6d③0．5h+4h+1h+0．5h8d。AOB。2.2、、AOBNOB。AOB/NOBA/NA/N。A/N1∶1A/N1∶0A/N1∶03。A/N0．14∶1NOB。A/N0．11∶1DODONOB。pH、DOAOBNOBA/N38．1∶1。3AOB35dC/N。2.3AOB0．2～0．4mg/LNOB1．2～1．5mg/L。AOBNOBDOAOBNOBDO。、。1．0、1．5、2．0L/L·hDO、OＲP3。·89·3423．watergasheat．com3DO、OＲPNO－2－NFig．3VariationofDOOＲPandNO－2－NconcentrationunderdifferentaerationconditionsDO＞1．0mg/LNO－2－NNO－2－NDODO4。DO3．0mg/L。31．0L/L·hDO360minNO－2－N27．52mg/L、NO－2－N95%。1．5L/L·hDO240minNO－2－N27．02mg/LNO－2－N94%。2．0L/L·hDO180minNO－2－NNO－2－N18．71mg/LNO－2－N64%。3OＲPDO。DODOOＲPOＲPOＲPDO。OＲPDO。1．0、1．5L/L·hNO－2－N。1．5L/L·hNO－2－N4h1．0L/L·h6hDO0．01mg/L。2．0L/L·hNO－2－NNO－2－N。1．5L/L·h4h。3①30±1℃、pH7．8～8．2、1．5L/L·hC/N94%。A/N38．1∶1AOBNOB。②2500～3000mg/LDO2．5mg/L13d30±1℃pH7．8～8．21．5L/L·h0．5h+6h+1h+0．5h0．5h+5h+1h+0．5h0．5h+4h+1h+0．5h。③AOB1．5L/L·hOＲPDO。1．J．2006221939－43．104·99·．watergasheat．com3423ferentHＲTandrefluxratioconditionsJ．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/NOBinnitrifyingsludgeonnitrificationcharacteristicsJ．ChinaEnvironmentalScience20163682395－2401inChinese．4．J．2013452101－104．PengYongzhenYangAnmingLiLingyunetal．Optimalcontrolofaerationdurationandnitrifyingpopulationregu-lationforpartialnitrificationJ．JournalofHarbinInsti-tuteofTechnology2013452101－104inChinese．1986－。[e-mail]2018－07－18·401·3423．watergasheat．com