部分亚硝化厌氧氨氧化组合工艺脱氮效果研究冯宁

－110168C/NSBRUASB－。UASBNH+4－N、TNCODCr87．04%、80．70%86．97%91．32%、82．88%88．89%UASBNH+4－N、TNCODCr91%、84%86%95．78%、87．67%92．22%。－C/N、、ANAMMOX。TU992A1673－9353201804－0006－05doi10．3969/j．issn．1673－9353．2018．04．002Studyondenitrificationeffectofpartialnitritation-ANAMMOXprocessFengNingZhangWenwenMaChenxiSchoolofMunicipalandEnvironmentalEngineeringShenyangJianzhuUniversityShenyang110168ChinaAbstractTheeffectofnitrogenremovalbypartialnitrification－ANAMMOXwascarriedoutinaSBRreactorwithlowC/NandhighammonianitrogenwastewaterfollowedbyUSABreactor．TheresultsshowedthattheaverageremovalratesofNH+4－NTNandCODCrwere87．04%80．70%and86．97%inthestableoperationstageandthemaximumremovalrateswere91．32%82．88%and88．89%respectivelyundertheconditionofinflowdeoxygenationofUSABreactor．TheaverageremovalratesofNH+4－NTNandCODCrwere91%84%and86%andthehighestremovalratereached95．78%87．67%and92．22%respectivelywhentheinfluentofUASBreactorwasnotdeoxidized．Thepartialnitrification-ANAMMOXoxidationprocesscouldrunsteadilyafterdebuggingandithadabettereffectontreatinglowC/Nandhighammonianitrogenwastewater．Whentheinflowofanaerobicammoniaoxidationreactorwasnotdeoxidizeditcouldstillachievebettertreatmenteffect．SynergisticdenitrificationofaerobicammoxidationheterotrophicdenitrificationandANAMMOXrealizedinthereactorbutthespecificnitrogenremovalmechanismneededtobefurtherexplored．KeywordspartialnitrificationanaerobicammoniaoxidationcombinedprocessnitrogenremovalanaerobicammoniaoxidationAN-AMMOX·6·12420188WATERTECHNOLOGYVol．12No．4Aug．2018－、、、、1、2、3、4C/N。ANAMMOX－partialnitritation－anaerobicammoniumoxidationPN－ANAMMOX20026Dokhaven59．5kg/m3·d10%～15%TN。。C/N。11.1PN－ANAMMOXC/NPNNH+4－NNO－2－NNO－2－NNH+4－N1．32ANAMMOXNO－2－NNH+4－NN2NO3－N1。1－Fig．1FlowchartofSHARON-ANAMMOXcombinedprocessSBR－UASBSBRUASBSBRUASB。SBR6L。28℃pH7．55。8h4—135min—160min—185min。0．4L/min1000r/min3。ANAMMOXUASB8L。。30±1℃HRT24h30minDO0．2±0．1mg/L。1.2SBRA2/O3L。、MLSS5．361g/L。UASBA2/O2L。、MLSS5．122g/L。1.3NaHCO3NH4ClKH2PO4NH+4－N250mg/LCODCr150mg/LCaCl2·2H2O200mg/LKH2PO480mg/LMgSO4·7H2O30mg/L0．3mL/L。1.4NH+4－NNO－3－NNO－2－NN－1－－TN－CODpHpHMLSS。《》。22.1·7·20188－124PNANAMMOXSBRUASBSBR－UASB。PNDOANAMMOXUASB。1SBRNH+4－N、CODCrUASBNH+4－N、NO－2－N、NO－3－N、CODCrC/N2。2Fig．2Nitrogenremovaleffectofcombinedprocessatcontinuousrunningperiod230d。NH+4－N250mg/L14dNH+4－N77．27%TN61．35%。NH+4－N55．60mg/LNO－2－NNO－3－N22．2316．74mg/L。15～21dNH+4－N、NO－2－NNO－3－N39．978．928．24mg/L。22～30dNH+4－NTN87．04%80．70%91．32%82．88%。3CODCr200mg/LCODCr20mg/L。3CODCrFig．3RemovaleffectofCODCrbycombinedprocessatcontinuousrunningperiod2。1～14dCODCr48．78mg/L75．03%CODCr25．39mg/L86．97%。。6DOANAMMOXTN82．5%ANAM-MOX。740d0．65kg/m3·d。894．44%。2.2ANAMMOX、。DO≤1．5mg/LANAMMOX。31dSBRUASB。1SBR4·8·124201885。4Fig．4Removaleffectofnitrogenwithoutdeoxygenation5CODCrFig．5RemovaleffectofCODCrwithoutdeoxygenation45。CODCr。NH+4－N、TNCODCr10dNH+4－N、NO－2－N、NO－3－NCODCr36．22～65．859．16～40．5211．61～19．9751．41～86．55mg/LNH+4－N、TNCODCr。10dNH+4－N、TNCODCr31～40d74．94%、55．80%65．36%89．34%、76．73%79．61%NH+4－N、NO－2－N、NO－3－NCODCr36．3111．908．7637．30mg/L。51～60d10dNH+4－N、TNCODCr91%、84%86%。SBRPN－ANAMMOX。UASBAnAOB。。vanderStar9ANAM-MOXPNANAMMOX。DOANAMMOX。Wyffels10OLANDAOBAnAOB。Dapena－Mora11AnAOBAOB。Sliekers12ANAMMOX。DO0．02mg/LAN-AMMOX。13ANAMMOXDO0．3mg/L。14N2DODO＞3．0mg/LANAMMOX。①AOBDOAnAOB。②ANAMMOXAOBNH+4－NNO－2－NAnAOBNH+4－NNO－2－NN2NO－2－NAOB15。③CO2AnAOBNO－3－NNO－2－NANAMMOXNO－2－NANAMMOXNO－3－N。、、ANAMMOX·9·20188－124UASBANAMMOXPNNO－2－N/NH+4－N。3①PNANAMMOXSBRUASBAnAOBPN－ANAMMOX。②C/NANAMMOXPN－ANAMMOX。NH+4－N、TNCODCr87．04%、80．70%86．97%91．32%、82．88%88．89%。③ANAMMOXPN－ANAMMOX。NH+4－N、TNCODCr91%、84%86%95．78%、87．67%92．22%。④PN－ANAMMOX、AnAOB、C/N、、。1．J．20141431136－143．2．－J．201137111737－1742．3．J．20153451444－14521458．4FigueroaMVázquez－PadínJRMosquera－CorralAetal．IstheCANONreactoranalternativefornitro-genremovalfrompre－treatedswineslurryJ．Bio-chemicalEngineeringJournal2012651523－29．5．SHARON－ANAMMOXJ．2014432158－163．6．－J．2016165206－211．7．－J．20173883377－33848．－J．2016437136－137159．9vanderStarWRAbmaWRBlommersDetal．St-artupofreactorsforanoxicammoniumoxidationexperi-encefromthefirstfull－scaleanammoxreactorinRot-terdamJ．WatRes200741184149－4163．10WyffelsSBoeckxPPynaertKetal．Nitrogenremov-alfromsludgerejectwaterbyatwo－stageoxygen－lim-itedautotrophicnitrificationdenitrificationprocessJ．WatSci＆Technol2004495－657－64．11Dapena-MoraAVanHulleSWCamposJLetal．Enrichmentofanammoxbiomassfrommunicipalactiva-tedsludgeexperimentalandmodelingresultsJ．Jour-nalofChemicalTechnologyandBiotechnology200479121421－1428．12SliekersAOThirdKAAbmaWetal．CANONandanammoxinagas－liftreactorJ．FEMSMicrobiologyLetters20032182339－344．13．D．2013．14．PN－ANAMMOXD．2013．15．－D．2013．1993－。[e-mail]2018－04－17·01·12420188