低温氨氮减排技术的中试试验

200082100t/d、pH、、。11．0～15．5℃pH7．0～7．58mg/L。《》GB18918—2002A。1mg/L。10～14h。X52B1009-0177201502-0077-06Pilot-ScaleTestofAmmoniaNitrogenEmissionＲeductionTechnologyatLow-TemperatureZhouWeiqiZhangXinZhouXinyuMaYanShanghaiMunicipalWaterＲesourceDevelopmentandUtilizationofNationalEngineeringCenterCo．Ltd．Shanghai200082ChinaAbstractUndertheconditionoflowtemperatureinwinterthepilot-scaleexperimentwasconductedby100t/dtestequipmentinthewastewatertreatmentplant．TherelationshipsbetweenwatertemperaturepHDOretentiontimeandNH4-N+ofeffluentwerediscussedinthispaper．Theresultsshowthattherangeofwatertemperatureis11．0～15．5℃andpHis7．0～7．5．WhenDOissufficientNH4-N+ofeffluentislessthan8mg/Lwhichmeetsstandard．WiththeincreaseofDOremovalrateofNH4-N+canbeimprovedefficientlyandNH4-N+ofeffluentcanstablymeetUrbanSewageDisposalPlantContaminationIntegratedDischargeStandardGB18918—2002ClassIA．WhenDOislessthan1mg/LNH4-N+ofeffluentwillbeoverstandard．Inadditiontheretentiontimein10～14hhaslessinfluenceonNH4-N+ofeffluent．KeywordsbiologicalremovalofnitrogenlowtemperaturedissolvedoxygenDOretentiontime2014-09-151988—。[e-mail]。《“”》〔2013〕11、2015BA。2012～20131112～3B15mg/L＜12℃50%1。15℃23。、、、15～20d4-7。、8、A/A/O9。。。11．1100t/d、、、。—77—WATEＲPUＲIFICATIONTECHNOLOGYVol．34No．22015April25th2015201534277-82WaterPurificationTechnologyDOI:10.15890/j.cnki.jsjs.2015.02.015HＲT12h、、HＲT1．4、2．6、8h。、、EM5000。。1．2201312～20144、pH、HＲT、10。pH3HＲT3DOHＲTDO15d。2．0～3．0g/L200%100%HＲT。HＲT113HＲTTab．1SetValueofHＲTunder3KindsofOperatingConditionsHＲT/h/h/h/h1141．73．09．32121．42．683101．22．26．6HＲT12hHＲT8h2．0～3．0g/L200%100%DO。DO。24、5、6DO0．9、2．7、4．3mg/L。23DOTab．2AverageValueofDOunder3KindsofOperatingConditions/mg·L－1/mg·L－1/mg·L－140．90．10．1～0．352．70．10．1～0．364．30．10．1～0．3251．31。pH、DO、。pH、、、4DO4、DO。1。COD、BOD、NH3-N、TN、MLSSMLVSS。1Fig．1QualityofInfluent1COD250～350mg/L、BOD100～150mg/L、24．530．8mg/L。BOD/COD0．45BOD/TN4．05。22．1pHpH2。—87—．Vol．34No．22015220141～3、pHFig．2ChangesofTemperatureandpHofInfluentfromJanuarytoMarchin201421～311．0～15．5℃1℃。1210℃3℃5℃。11μEPAμ=0．47×e0．09T-15Barnard12μ=0．33×1．27T-15。Head1320℃30、25、20℃10℃82%、71%58%。10℃10℃20%。10℃。pH7．0～7．5。pHpH7．35→7．15→6．99。2．2HＲT3HＲT4HＲT。34HＲT、。HＲT10h、6．815．6mg/L71．7%50．9%HＲT12h、5．212．9mg/L79．5%56．6%HＲT14h、4．112．6mg/L83．2%60．1%。HＲT4hHＲT2．73．0mg/LHＲT。3HＲTFig．3ＲelationshipbetweenHＲTandNH4-N+ofEffluent—97—WATEＲPUＲIFICATIONTECHNOLOGYVol．34No．22015April25th20154HＲT。Fig．4ＲelationshipbetweenHＲTandTNofEffluent2．3DO5DO6DO。56DO、。DO0．9mg/L、16．523．3mg/L34．8%28．2%DO2．7mg/L、5．212．9mg/L79．5%56．6%DO4．3mg/L、0．88．2mg/L96.6%72.3%11～15．5℃DOA。5DOFig．5ＲelationshipbetweenDOandNH4-N+ofEffluent6DOFig．6ＲelationshipbetweenDOandTNofEffluent—08—．Vol．34No．22015MonodNH3-NNO－2-N1415。Monod1。μ=μmaxSNH3KN+SNH31μ—d－1μmax—d－1KN—0．15～2．0mg/LSNH3—mg/L。1617、DO、。DODO。DOSVI200。0．90．3mg/VSS·h。312℃12±2℃HＲT、DO。3。3Tab．3ComparisonofParametersbetweenPilotTestandPracticalOperation/h/h/g·L－1/d/mg·L－1/%/%BOD5/kg·kg－1MLSS－1·d－11282．0～3．0150．9/2．7/4．32001000．151282．5～3．5162．02001000．12DODO＞2mg/LDO＞2mg/L4．5。3．5g/LHＲT1350%12～15mg/L。、。、HＲT。4100t/d。120141～311．0～15．5℃8mg/L。pH7．0～7．5。2HＲT1014h2．73．0mg/L。311．0～15．5℃DOADO1mg/L。“”GB18918—2002B0．10～0．14kgBOD5/kgMLSS·d15～20dHＲT12h2．0～3．0g/LDO2mg/L200%100%DO。—18—WATEＲPUＲIFICATIONTECHNOLOGYVol．34No．22015April25th20151．J．2012398220-222390．2．J．201026228-30．3OleszkiewiczJ．BerquistS．．LowtemperaturenitrogenremovalinsequencingbatchreactorsJ．WaterＲesearch19882291163-1171．4．AJ．200935524-28．5．AJ．2011271033-39．6．J．200877110-111．7．AJ．20087148-12．8．J．200726526-29．9．D．2013．10Komorowska-KaufmanM．H．MajcherekE．Klaczyński．FactorsaffectingthebiologicalnitrogenremovalfromwastewaterJ．Processbiochemistry20064151015-1021．11HwangJ．H．J．A．Oleszkiewicz．Effectofcold-temperatureshockonnitrificationJ．WaterEnvironmentＲesearch2007799964-968．12BarnardJ．．NutrientremovalinbiologicalsystemsM．UKWaterPollutionControl1975．13HeadM．OleszkiewiczJ．BioaugmentationfornitrificationatcoldtemperaturesJ．WaterＲesearch2004383523-530．14．J．200925182-8588．15HeijnenJ．．InfluenceofDissolvedOxygenConcentrationonNitriteAccumulationinaBiofllmAirliftSuspensionＲeactorJ．BiotechnologyandBioengineering19975310168-178．16．SIMULINKD．2013．17．SIMULINKJ．20133441206-1212．7614%。2。3、。1．J．200130121406-1408．2．J．200319513-15．3．J．1999453295-296．4．———、M2006．5．···M．．2007．6．J．200315185-94．7WuJTJüttnerF．Differentialpartitioningofgeosminand2-methylisoborneolbetweencellularconstituentsinOscillatoriatenuisJ．Archivesofmicrobiology19881506580-583．8JüttnerFWatsonSB．Biochemicalandecologicalcontrolofgeosminand2-methylisoborneolinsourcewatersJ．AppliedandEnvironmentalMicrobiology200773144395-4406．9BaffordＲASeagullＲWChungSYetal．Intracellularlocalizationofthetaste/odormetabolite2-methylisoborneolinoscillatorialimosaCyanophyta1J．JournalofPhycology199329191-95．10．D．2011．11．J．2010293454-459．12．J．2005283303-306．13．-D．2011．14．2-MIBJ．20143492328-2333．15ZhongJWYaoXJiHSetal．GenesAssociatedwith2-MethylisoborneolBiosynthesisinCyanobacteriaIsolationCharacterizationandExpressioninＲesponsetoLightJ．PlosOne201164e18665．—28—．Vol．34No．22015