改良土壤渗滤系统处理高氨氮废水强化脱氮研究吕晶晶

1231332241．4500072．2000923．1000124．100190+。R1、R2R2。4L/dR1COD、TN88．1%、99．6%66．8%R283．1%、98．0%76．6%R2TN。。R235．2%。TU992．3C1000－4602201809－0066－055820848516A5600262017HAC1082016039EnhancedNitrogenRemovalofHighAmmoniaNitrogenWastewaterbyImprovedSoilInfiltrationSystemLYUJing-jing123DOUYan-yan1ZHANGLie-yu3XIBei-dou3YUShui-li2HOULi-an241．SchoolofEnergy＆EnvironmentZhongyuanUniversityofTechnologyZhengzhou450007China2．CollegeofEnvironmentalScienceandEngineeringTongjiUniversityShanghai200092China3．ChineseResearchAcademyofEnvironmentalScienceBeijing100012China4．InstituteofLogisticalScienceandTechnologyoftheRocketArmyBeijing100190ChinaAbstractHighammonianitrogenwastewaterwastreatedbyaerationpretreatmentanddeepsoilinfiltrationsystemSISanditsinfluenceonthenitrogenremovalprocesswasinvestigated．Feedingtypeoftricklingwasemployedbythetwopilot-scalereactionequipmentsR1andR2andnitrogenremov-alwasenhancedbypre-aerationbeforewastewaterwasfedintoR2．Theresultsshowedthatwhenthein-letflowwas4L/dtheCODammonianitrogenandTNremovalefficienciesofR1couldreach88．1%99．6%and66．8%respectivelyandthoseofR2were83．1%98．0%and76．6%respectively．Soob-viousadvantageintheremovalofTNwasachievedbyR2whichmightberelatedtotheimprovementofsoilinfiltrationsystemmicro-ecologicalenvironmentandmicrobialcommunitycompositionbyaeration·66·34920185CHINAWATER＆WASTEWATERVol．34No．9May2018pretreatment．Higheffluentnitratenitrogenconcentrationsweremonitoredinbothreactorswhichdemon-stratedthattherewasariskofnitratenitrogenpollutioninshallowgroundwaterwhenhighammonianitro-genwastewaterwastreatedbysoilinfiltrationsystem．Finallyitwasprovedthatanaerobicammoniaoxi-dationoccurredinthetworeactorsbychemometricsandthenitrogenremovalcontributionrateofanaero-bicammoniaoxidationreachedmorethan35．2%inR2．KeywordssoilinfiltrationsystemSISbiologicalnitrogenremovalhighammonianitrogenwastewateranaerobicammoniaoxidationANAMMOX/、1。－－、、、、1～34。、23。。11.11。1Fig．1SchematicdiagramofdeepsoilinfiltrationsystemR1R230cm、2．5m、1cm2m15cm1～3cm。4L/d。R1R2R2R1。0～30、30～60、60～90、90～200cm1．32、1．38、1．381．46g/cm3D10/D600．016/0．092、0．048/0．178、0．043/0．177、0．013/0．083mm18．13、11．47、1．94、1．28mg/g。1.22014617—1018COD30%～40%TN80%～85%。20141019—1210。20141231—201542310d1。。30、60、90、120、150、180cm50mL4℃－20℃。1。1Tab．1RawwastewaterqualitypH7．78．07．2NH+4－N/mg·L－1131．1225．513．0NO－2－N/mg·L－12．03．10NO－3－N/mg·L－14．47．20COD/mg·L－1202．8826．416．1COD/TN1．112．360．07/℃17．626．07．6COD、TN、TP、NH+4－N、NO－2－NNO－3－N·76·．watergasheat．com349《》4。22.1CODTN2CODTN。2CODTNFig．2ChangeofCODandTNconcentrationsalongdepth2aR1、R2COD88．1%83．1%COD。R1R2COD26．632．5mg/L《》GB18918—2002A。R230cmCOD。2bR1R2TN66．8%76．6%TN49．829．6mg/L。TNR2CODR230cmTNTN。30cm。3R2COD。CODCOD40%。3R2CODFig．3ChangeofCODconcentrationinR22.24R2NH+4－N。4R2NH+4－NFig．4ChangeofNH+4－NconcentrationinR24R220mg/L90%99%。。2R1、R2“”。2“”Tab．2Averageconcentrationsandremovalratesofammonianitrogennitritenitrogenandnitratenitrogen/mg·L－130cm/mg·L－1/mg·L－1/%R1R2R1R2R1R2R1R2NH+4－N131．1131．134．733．70．412．7999．698．0NO－2－N2．02．021．312．80．156．55——NO－3－N4．44．481．839．352．5920．26——2NH+4－NNO－3－NNH+4－N·86·349．watergasheat．comNO－3－N。NO－2－N。2.3、、－、5～8。pH7．0～8．5NH+4－N25±1℃9。NH+4－NTN。NH+4－NTN5。NH+4－N、NO－2－NNO－3－NpH。R240～50。1、26。3C+2H2O+4NO－2→2N2+4OH－+3CO215C+2H2O+4NO－3→2N2+4OH－+5CO221gNO－3－N2．86gCOD1gNO－2－N1．71gCOD。N2ON2。40～50。COD、NH+4－N、NO－2－NNO－3－NR2CODTN0．8110．731g/d。810dNO－2－NCOD10．474g/d0．257g/d35．2%。0．474g/d0．257g/d。+、C/N－。3①+TN。②。③35．2%。1．J．201131247351－7356．LiHaiboLiYinghuaSunTiehengetal．EfficiencyandkineticprocessofnitrogenremovalinasubsurfacewastewaterinfiltrationsystemSWISJ．ActaEcologi-caSinica201131247351－7356inChinese．2．J．200937487－91．LiYinghuaSunTiehengLiHaiboetal．Researchpro-gressinnitrogenremovaleffectsofsubsurfaceinfiltrationsystemJ．JournalofHenanNormalUniversityNaturalScience200937487－91inChinese．3．ORPJ．20122817117－120．LiYinghuaLiHaiboSunTiehengetal．Effectsofinflu-entloadingsonORPandnitrogenremovalefficiencyinsubsurfacewastewaterinfiltrationsystemJ．ChinaWa-ter＆Wastewater20122817117－120inChi-nese．4．J．20133371926－1931．WangZhenLiuChaoxiangDongJianetal．Effectsofdiffluentratioonremovalofnitrogenintheconstructeds-74·96·．watergasheat．com349ZhangZheZhangLeiXiPenggeetal．Drainagesystemofspecialweatherconditionsinsidebuildingone—In-fluenceofwindontheinsidepressureofthedrainagesys-teminsuperhigh-risingbuildingJ．Water＆WastewaterEngineering2013391094－97inChi-nese．2．———J．2013391291－94．ZhangZheZhangLeiXiPenggeetal．Probeintothebuildingdrainagesystemunderspecialweatherconditiontwo—Experimentstudyundertheastmosphericcondi-tionssimulatedbyblowerJ．Water＆WastewaterEngi-neering2013391291－94inChinese．3．J．20163223159－162．ZhangZheZhaoZhenyiHuangJunyaoetal．Compari-sonofdrainagecapacitybetweencastironandPVC-Upipesextendedventilationdrainagesystemforsuperhigh-risebuildingJ．ChinaWater＆Wastewater20163223159－162inChinese．1979－、。[e-mail]櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2017－10－1269oilinfiltrationsystemJ．ActaScientiaeCircumstantiae20133371926－1931inChinese．5ZhiWJiGD．Quantitativeresponserelationshipsbe-tweennitr