常温高pH条件下与厌氧氨氧化匹配的亚硝化研究李亚峰

pH*110168pH。SBＲ、pHNH+4－NNO－2－N。28℃NO－2－N93.45%26℃NH+4－N/NO－2－N1∶1.3。pHH+FAFNA。pHDOI10.13205/j．hjgc．201507016THESTUDYOFANAMMOXADOPTINGNITＲOSIFICATIONUNDEＲNOＲMALTEMPEＲATUＲEANDHIGHpHCONDITIONLiYafengZhangChiMunicipalandEnvironmentalSchoolShenyangJianzhuUniversityShenyang110168ChinaAbstractTheprocessofANAMMOXadoptingnitrosificationwasstudiedatthenormaltemperatureandtheinfluenceofahigherpHvalueonthenitrosificationperformancewasinvestigated．TheexperimentsusedactualdomesticwastewaterandastableoperatingSBＲsequencingbatchreactorofactivatedsludgeprocessandcontrolledtemperaturepHtoinvestigatevariationconditionofNH+4－NandNO－2－N．ThenitrosificationreactionwasachievedsuccessfullyandaccumulationrateofNO－2－Nwas93.45%whenthetemperaturewasat28℃．TheeffluentNH+4－N/NO－2－Nwasat1∶1.3whenthetemperaturewasaround26℃whichissuitableforprovidingstableconditionsforanammox．ThestablenitrosificationcanberealizedatahigherpHbyneutralizatingH+andinhibitingNOBactivitybyFAandFNA．KeywordstemperaturepHnitrosificationammonianitrogenremovalratenitriteaccumulationrate*511082772011-K7-8L2012203。2014－12－080。NH+4－N、NO－2－NNO－2－N1-2。NO－2－N。、DO、pH、FAFNA、SＲT3。DO30℃、pH7～8435℃531℃4.71mg/L·hNH+4－N28～30℃6-7。pH。pH。11.127EnvironmentalEngineeringNH4Cl、KH2PO4、NaHCO3、MgSO4CaCl2。COD250mg/LDO1.0mg/LNH+4－N40mg/L→7h→1h→1h。1.0mL1300mg/LFeCl3·6H2O120mg/LZnSO4·7H2O120mg/LMnCl2·2H2O300mg/LCuSO4·5H2O150mg/LCoCl2·6H2O180mg/LKI。A2/O99%SVI108mL/g。1.21。1—2—3—4—5—6—7—8—9—。1SBＲFig．1DiagramofstructureoftheSBＲsettingSBＲ9cm×13cm7L。。2.0L/minDO1.0mg/L。33～77cm5。、。1.3《》NH+4－NNO－2－NN-1--NO－3－NpHpH。2。。NO－2－N50%8。2.1NH+4－N2。a—NH+4－Nb—ρNH+4－N。—◆—20℃——24℃—▲—26℃—■—28℃—□—30℃—●—34℃。2NH+4－NFig．2InfluenceoftemperatureoneffluentNH+4－N220℃NH+4－N40%30mg/L。NH+4－N。24℃30℃NH+4－N20mg/L4mg/L55%92%28～30℃NH+4－N10mg/L。NO－2－N3。NO－2－N37WaterPollutionControla—NO－2－Nb—NO－2－N。—■—20℃—◆—24℃—▲—26℃—×—28℃—*—30℃—●—34℃。3NO－2－NFig．3InfluenceoftemperatureonNO－2－Naccumulationeffect28～30℃NO－2－N90%NO－2－N15mg/L。NO－2－N。34℃NO－2－N5mg/L70%。28℃30℃NH+4－NNO－2－N。28～30℃NH+4－NNO－2－N。728±1℃NOB。Van9。Bae1030℃。28～30℃28～30℃。2a、2b26℃NH+4－N80%NO－2－N70%50%26℃。NO－2－N。NH+4－N/NO－2－N1∶1.322a、2b26℃NH+4－N/NO－2－N1∶1.326℃。。2.2pHpHpH7～8。pH。26℃40mg/LpH94。—■——▲——◆—。4pHNH+4－NFig．4InfluenceofhigherpHonNH+4－Nremovalrate4pHNH+4－N8mg/L1mg/LNH+4－N90%。pHNO－2－N5。pHNO－2－N90%20mg/LpH。pH7～811pH。12DO47EnvironmentalEngineering—■—NO－2－N—◆—NO－2－N。5pHNO－2－NFig．5InfluenceofhigherpHonNO－2－Naccumulationrate0.3～0.8mg/L25±1℃pH8.3～8.51H+pHH+pH7～8pH2pH2pHpHFAFNAFAFNAFAFNA2。pHFAFA6mg/L15-16。FAFNAH+FNA。pHFAFNA17FAFNA。31。26℃－。2H+pHH+FAFNA。FAFNA。pH。1TianZYLiDLiuJLetal．Anenvironmentalper-spectiveofnitrogencycleJ．InternationalJournalofGlobalEnvironmentalIssues200993199-211.2StarWＲLAbmaWＲBolmmersDetal．StartupofreactorforanoxicammoniumoxidationExperiencesfromthefirstfullscaleanammoxreactorinＲotterdamJ．WaterＲes200741184149-4163.3．－J．200016229-31.4、、．J．2013741308-1312.5．SBBＲJ．2009251327-34.6．DOJ．．2012284716-721.7．J．2009293516-520.8．J．2012332511-517.9vanLoosdrechtMCMSalemS．BiologicaltreatmentofsludgedigesterliquidsJ．WaterSciTechnol20065311-20.10BaeWBaekSChungJ．OptimaloperationalfactorsfornitriteaccumulationinbatchreactorsJ．Biodegradation2001125359-366.11．J．200619126-29.12．DOpHJ．．2012513349-356.13BernatNDangiongNDelgenesJPetal．NitrificationatlowoxygenconcentrationinbiofilmreactorJ．EnvironEng20011273266-271.14．DOpHJ．2008341219-22.15VelMVJurgKZhiguoY．EffectoffreeammoniaontherespirationandgrowthprocessesofanenrichedNitrobactercultureJ．WatＲes2007414826-834.16．J．20133665-9.17．FAFNAJ．2009303809-814.1960－。[e-mail]1990－。[e-mail]57WaterPollutionControl