分段进水SBR处理高浓度氨氮废水的中试研究顾建辉

SBR121111．2150092．215100SBR。COD580～970mg/L、NH+4－N90～257mg/LCOD、NH+4－NTN80%、80%70%。。SBR。SBRTU992．3C1000－4602201817－0104－04TreatmentofHigh-concentrationAmmoniaNitrogenWastewaterbyaPilotStep-feedSBRGUJian-hui1LICai-zhen2HUANGTian-yin1LIUFeng1WUWei11．SchoolofEnvironmentalScienceandEngineeringSuzhouUniversityofScienceandTechnologySuzhou215009China2．WuzhongDistrictWaterConservancyBureauSuzhou215100ChinaAbstractThetraditionalSBRwasimprovedbyaddingsphericalsuspensionfillerandstirringmeasureandapilotsystemwasestablishedtoinvestigatethetreatmenteffectofhigh-concentrationam-monianitrogenwastewaterandtheeffectoftemperatureonnitrogenremoval．Theresultsshowedthatthenewstep-feedSBRhadsuperiorremovalefficiencyforpollutant．WhentheinfluentCODandNH+4－Nwere580－970mg/Land90－257mg/LrespectivelytheremovalratesofCODNH+4－NandTNwereabove80%80%and70%respectively．Furthermorewatertemperaturehadasignificantinfluenceonthetreatmenteffectofthesystemandtherewasapositivecorrelationbetweentemperatureandspecificammoniaoxidationrate/specificdenitrificationrate．Thenewstep-feedSBRprocesscouldmakefulluseoforganicpollutantsinthewastewaterasdenitrificationcarbonsources．Underthepremiseofenergysav-ingandconsumptionreducingadvanceddenitrificationofwastewaterwasrealized．Keywordshigh-concentrationammonianitrogenwastewaterSBRprocessstep-feedbio-logicalnitrogenremoval2011ZX07301－0032015－7－3SBR12。Lin3SBR·401·341720189CHINAWATER＆WASTEWATERVol．34No．17Sep．2018SBR。SBR4。C/N5。SBR。。11.11。SBR4．4m×3m×2．7m31m35～10m3/dDO2～3mg/LPLC。1．5m×2．5m1m×1．4m。废甲醇储备罐废甲醇计量投配系统碱度计量投配系统碱度制备、储备罐格栅、调节池SBR反应池快滤池泵中水回用回流直接出水污泥浓缩池上清液回流污泥外排1Fig．1FlowchartofpilottestSBR。。。1.2SBRA/O。COD580～970mg/L735mg/LNH+4－N90～257mg/L165mg/LNO－3－N0．8～2．5mg/L1．4mg/LNO－2－N2．3～3．8mg/L2．5mg/LpH7．0～8．67．8。。1.3C/N367。SBRTN7。C/N5。SBR4m3→5h→4m3→2h→4h→6L→1．5h。30d1～20d20～26℃、20～30d12～20℃。22.1COD。2SBRCOD。900750600450300150ＣＯＤ/（mg·Ｌ－１）51015202530t/d100806040200去除率/％进水ＣＯＤ出水ＣＯＤ去除率02SBRCODFig．2RemovalofCODbystep-feedSBR2COD。DO2～3mg/LCOD。20dCOD88%COD80%～88%。SBR＜20℃·501·．watergasheat．comSBR3417COD8。NH+4－NCOD。2.2NH+4－NSBRNH+4－N3。20dNH+4－N82%91%20dNH+4－N80%NH+4－N40mg/L。NH+4－N。20dNH+4－N。910。Kim1130℃10℃3。2402001601208040氨氮/（mg·Ｌ－１）51015202530t/d100806040200去除率/％进水氨氮出水氨氮去除率03SBRNH+4－NFig．3RemovalofNH+4－Nbystep-feedSBR2.3SBRTN4。20dTN80%TN25mg/L20dNH+4－NNH+4－NNO－3－NNO－2－N。20dSBRNH+4－NNO－3－NNO－2－NTN168～204mg/LTN45mg/LTN70%。2402001601208040总氮/（mg·Ｌ－１）510t/d100806040200去除率/％进水总氮出水总氮去除率1520253004SBRTNFig．4RemovalofTNbystep-feedSBR2.420dNH+4－NTN20d12～20℃。11～26℃11～18℃10。SBR5。。26℃19℃13℃1．62．326℃0．12kgNO－3－N/kgMLSS·d19℃13℃1．52．3。比氨氧化速率/（kgＮＨ４－Ｎ·kg－１ＭＬＳＳ·d-1）0.120.100.080.060.040.0201214温度/℃0.100.090.080.070.060.050.04比反硝化速率/（kgNO3-N·kg-1MLSS·d-1）-[phone]比反硝化速率比氨氧化速率5Fig．5Specificammoniaoxidationrateandspecificdenitrificationrateunderdifferenttemperatures3SBR·601·3417．watergasheat．comCOD、NH+4－NTNCOD580～970mg/L、NH+4－N90～257mg/LCOD、NH+4－NTN80%、80%70%。SBR12～20℃。1YooHSAhnKHLeeHJetal．NitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrificationSNDvianitriteinanintermittent-ly-aeratedreactorJ．WaterRes1999331145－154．2PriyaliSStevenKD．Simultaneousnitrification-denitri-ficationinafluidizedbedreactorJ．WaterSciTechn-ol1998381247－254．3LinYFJingSR．Characterizationofdenitrificationandnitrificationinastep-feedalternatinganoxic-oxicse-quencingbatchreactorJ．WaterEnvironRes2001735526－533．4．D．2007．HanZhiying．StudyonTreatmentofSwineWastewaterbyStep-feedSequencingBatchReactorD．HangzhouZhejiangUniversity2007inChinese．5．J．2009293516－520．ShangHuilaiPengYongzhenZhangJingrongetal．Theeffectoftemperatureonshort-cutnitrificationanddeni-trificationJ．ActaScientiaeCircumstantiae2009293516－520inChinese．6．J．200723217－21．HanZhiyingZhuJunDingYingetal．Enhancedbio-logicalnitrogenremovalprocessinstep-feedsequencingbatchreactorJ．ChinaWater＆Wastewater200723217－21inChinese．7．SBRJ．200727162－66．GuoJianhuaPengYongzhenYangQingetal．ThecharacteristicsofthepulsedSBRforadvancednitrogenremovalofmunicipalwastewaterJ．ChinaEnviron-mentalScience200727162－66inChinese．8．SBRJ．200223250－54．ZengWeiPengYongzhenWangShuyingetal．Usingatwo-stageSBRprocessforremovaloforganicsandnitrifi-cation－denitrificationvianitriteJ．EnvironmentalScience200223250－54inChinese．9ObajaDMaceSCostaJetal．Nitrificationdenitrifica-tionandbiologicalphosphorusremovalinpiggerywastewaterusingasequencingbatchreactorJ．Biore-sourTechnol2003871103－111．10．DOSBRJ．2010324113－117．GuShengboWangShuyingYangPeietal．Effectoftemperatureonnutrientremovalofpilot-scaleSBRprocesswithDOcontrolbyfrequencyconversionJ．JournalofCivilArchitectural＆EnvironmentalEngi-neering2010324113－117inChinese．11KimDKimKYRyuHDetal．Longtermoperationofpilot-scalebiologicalnutrientremovalprocessintreatingmunicipalwastewaterJ．BioresourTechnol2009100133180－3184．1992－。[e-mail]2018－02－08·701·．watergasheat．comSBR3417