低氨氮尾水厌氧氨氧化系统构建及效能研究黄巍

112111．4000452．401121ASBBＲ。30±1℃、0．025kg/m3·d51dNH+4－N、TN2．9、5．06mg/LTN84．2%。pH7．3。0．05、0．075kg/m3·dTN85．1%82．8%。ASBBＲX703A1000－4602201617－0006－05ConstructionandEfficiencyofAnaerobicAmmoniumOxidationSystemforTreatmentofLowStrengthAmmoniaWastewaterHUANGWei1QINGuang-xu12ZHOUJian1WENXin11．KeyLaboratoryofThreeGorgesＲeservoirＲegion’sEco-Environment＜MinistryofEducation＞ChongqingUniversityChongqing400045China2．WesternBranchChinaAcademyofUrbanPlanningandDesignChongqing401121ChinaAbstractInordertosolvethecarbonsourcebottleneckinadvancednitrogenremovalfromefflu-entofwastewatertreatmentplantanaerobicsequencingbatchbiofilmreactorASBBＲwasadoptedtoinvestigatetheconstructionandtheefficiencyofanaerobicammoniumoxidationAnammoxsystemfortreatmentoflowstrengthammoniawastewater．Theresultsshowedthatafteroperatingfor51dtheAna-mmoxsystemfortreatmentoflowstrengthammoniawastewaterwassuccessfullyconstructedat30±1℃andthenitrogenloadof0．025kg/m3·d．TheconcentrationsofNH+4－NandTNintheeffluentwere2．9mg/Land5．06mg/LrespectivelyandtheaverageremovalrateofTNreached84．2%．ThepHoftheeffluentincreasedgraduallyduringthestart-upprocessofthesystemandstabilizedataround7．3whichwasslightlyhigherthanthatoftheinfluentandimpliedtheoccurrenceofAnammox．There-movalratesofTNreached85．1%and82．8%whenthenitrogenloadsincreasedto0．05kg/m3·dand0．075kg/m3·drespectively．KeywordsAnammox[e-mail]·6·321720169CHINAWATEＲ＆WASTEWATEＲVol．32No．17Sep．201612。Anammox50%、100%90%34。＞500mg/L5～8。9NH+4－NNO－2－N2026mg/L60d10SBＲ12mg/L154dNH+4－NNO－2－N94．5%97．4%Zeng1115．3～23．2℃、46．5mg/LTN75．9%Hendrickx520℃30mg/LTN9．6mg/L0．26gN/L·d。Ma12UASB120d20mg/LTN82．64%。－ASBBＲ13ASBBＲ。11.1NH+4－N、NO－2－N、NO－3－N11±0．06、14±0．06、1～2mg/L1．27。1.21ASBBＲ。10L。进水水箱蠕动泵定时器进水ASBBR排气管恒温箱定时器出水出水水箱1Fig．1SchematicdiagramofASBBＲ1.330±1℃、0．025kg/m3·d、24h、“0．25h—23．5h—0．25h”5g/L0．050．075kg/m3·d1。NH+4－N、NO－2－N、NO－3－N、TN14。1ASBBＲTab．1ExperimentalprogramofinfluenceofNloadonASBBＲaenerobicammoniaoxidationsystem/kg·m－3·d－1/h/h/h/h0．0250．2523．50．25240．050．2511．50．25120．0750．257．50．25822.12～4。50403020100浓度/（mg·Ｌ－１）t/d13125374961738597进水氨氮进水亚硝态氮出水氨氮出水亚硝态氮出水硝态氮2NH+4－N、NO－x－NFig．2NH+4－NandNO－x－NdailyvariationduringconstructionofAnammoxsystemunderlowammoniaconcentration·7·．watergasheat．com3217100806040200/（mg·Ｌ－１）１００8０6０4０2０0t/dTN/%131253749617385973TNFig．3TNdailyvariationduringconstructionofAnammoxsystemunderlowammoniaconcentration120COD/（mg·Ｌ－１）t/d11008060402003531332927232117133579112519154CODFig．4CODdailyvariationduringconstructionofAnammoxsystemunderlowammoniaconcentration2～4Anammox。1～5TNNH+4－NCODCOD1、3、581、111、62mg/L。CODTN。6～21NH+4－N20．1mg/L9．9mg/LCOD69mg/L9mg/LNO－2－N、NO－3－N。NH+4－NCOD。。22～35NH+4－N13．5mg/L3．8mg/L。NO－2－N23、25、27、29d3．5、7．3、2．3、2．0mg/L300．1mg/LCOD10mg/L。CODNO－2－NNH+4－N30NO－2－N。。36～51NH+4－N、NO－2－N、NO－3－N4．6、0．20、0．80mg/LTN79．4%。NO－3－NNO－2－NNO－2－N/NH+4－NNH+4－N。。51NH+4－N、NO－2－N、NO－3－N2．9、0．06、2．1mg/LTN84．2%。NO－3－NNH+4－N、NO－2－N。。pH5。8.07.57.06.5pH值t/d1325374961738597进水出水15、pHFig．5pHvaluedailyvariationofinfluentandeffluentpH13dpH·8·3217．watergasheat．comCOD40～103pHpHpH。pH。ASBBＲ6。NO－2－NNH+4－N1．2∶11415。NO－3－N。NO－3－N。0～14h80．0%14～24h5．5%。。21412108642氮浓度/（mg·Ｌ－１）１００8０6０4０2０0t/h总氮去除率/%04710141824氨氮亚硝态氮硝态氮总氮去除率6ASBBＲFig．6PeriodicvariationofNspeciesinAnammoxASBBＲunderlowammoniaconcentration51d100d。①NO－2－N/NH+4－N②③④16。2.20．025、0．05、0．075kg/m3·d。NH+4－N、NO－2－N、NO－3－N11±0．06、14±0．06、1～2mg/L2。2Tab．2EffectofNloadonefficiencyofAnammoxsystemunderlowammoniaconcentration/kg·m－3·d－1NH+4－N/mg·L－1NO－2－N/mg·L－1NO－3－N/mg·L－1TN/%0．0252．90．062．184．20．052．50．012．385．10．0752．90．101．982．80．05kg/m3·dTN70%110．075kg/m3·d0．05kg/m3·dNH+4－N、NO－2－NTN7。５2520151050浓度/（mg·Ｌ－１）１００９０８０７０６０５０１91317212529t/da.负荷为0.05kg/(m3·d)TN去除率/%氨氮亚硝态氮硝态氮TNTN去除率５2520151050浓度/（mg·Ｌ－１）１００９０８０７０６０５０１91317212529t/db.负荷为0.075kg/(m3·d)总氮去除率/%氨氮亚硝态氮硝态氮总氮总氮去除率7AnammoxFig．7EffluentqualityofAnammoxreactorwhenincreasingnitrogenload20．05kg/m3·dTN0．9%0．025·9·．watergasheat．com3217kg/m3·d0．075kg/m3·dTN。3①ASBBＲ51dNH+4－N、TN2．9、5．06mg/LTN84．2%。②0．050．075kg/m3·dTN85．1%82．8%。1．J．2012233849－856．2．CANONJ．20143461362－1374．3．J．2014233521－527．4．J．2008242367－71．5HendrickxTLWangYKampmanCetal．AutotrophicnitrogenremovalfromlowstrengthwastewateratlowtemperatureJ．WaterＲes20124672187－2193．6LiangZLiuJ．LandfillleachatetreatmentwithanovelprocessanaerobicammoniumoxidationAnammoxcombinedwithsoilinfiltrationsystemJ．JHazardMa-ter20081511202－212．7DostaJVilaJSanchoIetal．Two-steppartialnitritati-on/AnammoxprocessingranulationreactorsStart-upoperationandmicrobialcharacterizationJ．JEnvironManage2015164196－205．8SliekersAOThirdKAAbmaWetal．CANONandAnammoxinagas-liftreactorJ．FEMSMicrobiolLett20032182339－344．9．J．201445124445－4451．10．J．2007316775－779．11ZengTTLiDZengHPetal．Nitrogenremovaleffi-ciencyandmicrobialcommunityanalysisofANAMMOXbiofilteratambienttemperatureJ．WaterSciTechnol2015715725－733．12MaBZhangSJZhangLetal．Thefeasibilityofusingatwo-stageautotrophicnitrogenremovalprocesstotreatsewageJ．BioresourTechnol2011102178331－8334．13QinGLiYHanYetal．Applic