常温下UASB反应器厌氧氨氧化生物脱氮试验张彦江

UASB*830046。22～29℃3．2LUASB。75d93．5%86．1%、1．00∶1．30∶0．31。317～25℃16d96．6%90．1%。。UASBX703A0517－6611201812－0081－03AnaerobicAmmoniaOxidationBiologicalNitrogenＲemovalinUASBＲeactoratＲoomTemperatureZHANGYan-jiangYAOJun-qinCollegeofＲesourceandEnvironmentScienceXinjiangUniversityUrumqiXinjiang830046AbstractObjectiveTheresearchaimedtostudythedenitrificationeffectofanaerobicammoniaoxidationreactoratroomtemperature．Meth-odFedwithartificialwastewaterandseededwithactivatedsludgefromanoxidationditchatamunicipalwastewatertreatmentplanta3．2LUASBanammoxreactorwastoexperimentthebiologicalnitrogenremovalatroomtemperature22－29℃．ＲesultTheaverageremovaleffi-cienciesofNH4+－NandNO2－－Nreached93．5%and86．1%respectivelyafter75daysoperationandtheratioofremovedammoniaremovednitriteandproducednitratewas1．001．300．31．Itcouldrealizedtheanaerobicammoniaoxidationbiologicalnitrogenremoval．Theactivityofbacteriacouldquicklyrecoveratroomtemperature17－25℃onlyneed16daysinafterthereactorshutdownfornearly3monthsandtheaver-ageremovalefficienciesofNH4+－NandNO2－－Nreached96．6%and90．1%respectively．ConclusionTheanaerobicammoniaoxidationreactorcanstart－upatroomtemperatureandachievetheefficientnitrogenremoval．KeywordsBiologicalnitrogenremovalAnaerobicammoniaoxidationＲoomtemperatureUASBreactor2015211C273。1992—。*。2018－02－01。－、1。。1995Delft2。34－5。6－7。4832±1℃9。。22～29℃。11．11UASB3．20L2．28L0．92L。UASB。。1．2．3．4．5．6．Note1．Inletdiaphragmpump2．Withbucket3．Thermometer4．Exhaust5．Outlet6．Sampleport1Fig．1Diagramofexperimentalreactor1．22．30L。NH4ClNaNO2。NaHCO3500mg/L、MgSO4300mg/L、CaCl2126mg/L、KH2PO430mg/L。ⅠFeSO45000mg/LⅡZnSO4·7H2O430mg/L、CoCl2·6H2O240mg/L、MnCl2·H2O990mg/L、CuSO4·H2O250mg/L、NiCl2·6H2O190mg/LH3BO414mg/L10。1．3NH4+－NNO2－－NN－1－－NO3－－NJ．AnhuiAgric．Sci．2018461281－83DOI:10.13989/j.cnki.0517-6611.2018.12.024。1．420161—105070mg/L1．0∶1．4。10。1～174．0L/d0．063kg/m3·d。18～433．4L/d0．053kg/m3·d。70%44～852．6L/d0．041kg/m3·d。3。101～362．6L/d。22．1。277590．0%。75～8593．5%。2、Fig．2VariationofconcentrationandremovalrateofNH4+－Nininfluentandeffluent2．22。11。3。。1～1296．9%。213～202。21～44。44。75～8586．1%。3、Fig．3VariationofconcentrationandremovalrateofNO2－－Nininfluentandeffluent2．34NH4++1．32NO2－+0．066HCO3－+0．13H+→1．02N2+0．26NO3－+0．066CH2O0．5N0．15+2．03H2O11。499。4、Fig．4VariationofNO3－－Nconcentrationininfluentandeffluent2．41、1．00∶1．32∶0．26。20～43℃431℃9。5122～29℃25℃47d、28201822～29℃。51Fig．5VariationoftemperatureandtheratioofremovedNH4+－NremovedNO2－－NandproducedNO3－－Natthefirsttime62Fig．6VariationoftemperatureandtheratioofremovedNH4+－NremovedNO2－－NandproducedNO3－－Natthesecondtime2．5217～25℃22℃616d96．6%90．1%16～361．00∶1．32∶0．2117～25℃。3175d22～29℃UASB93．5%86．1%。217～25℃16d96．6%90．1%。1JETTENMSLOGEMANNSMUYZEＲGetal．NovelprinciplesinthemicrobialconversionofnitrogencompoundsJ．Antonievanleeuwenhoek1997711/275－93．2MULDEＲAVANDEGＲAAFAAＲOBEＲTSONLAetal．AnaerobicammoniumoxidationdiscoveredinadenitrifyingfluidizedbedreactorJ．FEMSMicrobiologyEcology1995163177－183．3VANDEGＲAAFAAMULDEＲADEBＲUIJNPetal．Anaerobicoxida-tionofammoniumisabiologicallymediatedprocessJ．Appliedandenvi-ronmentmicrobiology19956141246－1251．4JETTENMSMMAＲCSPAS-SCHOONENKTetal．Theanaerobicoxi-dationofammoniumJ．FEMSMicrobiologyＲeview1998225421－437．5．J．201131154447－4454．6CHENHHUHYCHENQQetal．Successfulstart-upoftheanammoxprocessInfluenceoftheseedingstrategyonperformanceandgranuleprop-ertiesJ．Bioresourcetechnology2016211594－602．7WANGSHGUOJBLIANJetal．Ｒapidstart-upoftheanammoxprocessbydenitrifyinggranularsludgeandthemechanismoftheanammoxelectrontransportchainJ．Biochemicalengineeringjournal2016115101－107．8．J．20137103993－3996．9·．UASB/J．20143056－9．10．UASBJ．20052461－5．11．J．2017382檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪654－664．681VANAALSTMKCANNONTBUＲTONI．CommunityleveladaptationtoclimatechangeThepotentialroleofparticipatorycommunityriskassess-mentJ．Globalenvironmentalchange2008181165－179．2．2005－2010J．201332181－89．3．A．2017－06－30．4．J．200312348－53．5．2000－2007J．2011201156－162．6．J．201120146－50．7．———J．201530474－78．8．2006J．200919105－10．9．M．200888－89．10．50J．200722471－76．11．Z．2016．384612UASB