SNADMBBR处理垃圾渗滤液厌氧出水的脱氮研究徐晓晨

SNAD－MBBＲ116024MBBＲ－－SNAD。SNAD－MBBＲK333～35℃、DO0．03～0．1mg/L、pH7．5～8．0、HＲT12h152d。0．9kg/m3·dTN88%。1kg/m3·d20%。SNADTU992．3A1000－4602201823－0021－052013ZX07202－010－01NitrogenＲemovalfromAnaerobicEffluentofLandfillLeachatebySNAD－MBBＲProcessXUXiao-chenZHOULiangWANGChaoWANGGangYANGFeng-linKeyLaboratoryofIndustrialEcologyandEnvironmentalEngineering＜MinistryofEducation＞SchoolofEnvironmentalScience＆TechnologyDalianUniversityofTechnologyDalian116024ChinaAbstractSimultaneouspartialnitrificationAnammoxanddenitrificationSNADprocesswasoperatedtoinvestigateitsnitrogenremovalperformanceinamovingbedbiofilmreactorMBBＲ．Thein-fluentofSNAD－MBBＲprocesswasanaerobiceffluentoflandfillleachate．ThereactorwasfilledK3car-rierandthetemperatureDOpHandHＲTwascontrolledat33－35℃0．03－0．1mg/L7．5－8．0and12hrespectively．Theexperimentlastedfor152daysandthebestremovaleffectwasobtainedbyadjustingtheaerationrateaccordinglyduringthegradualincreaseoftheinfluenttotalnitrogenload．Un-dertheaboveconditionswhenthetotalnitrogenloadratewas0．9kg/m3·dtheTNremovalratecouldstillreach88%．Whentheinfluenttotalnitrogenloadratewasincreasedto1kg/m3·dtheTNremovalratewassignificantlyreducedtoonly20%duetothehighconcentrationoforganicsinthein-fluentandtheinhibitionofnitriteandanaerobicammoniaoxidationprocessesbythereproductionofhet-erotrophicaerobicbacteria．KeywordsmovingbedbiofilmreactorSNADlandfillleachateaerationratetotalni-trogenloadrate。·12·3423201812CHINAWATEＲ＆WASTEWATEＲVol．34No．23Dec．2018、。、、。UASB1SBＲ23。SHAＲ-ON、CANON。。440%、25%11%NO－3－NNO－2－N。52009－－SNADNO－2－NNO－3－N。SNADUASB、SBＲ、CSTＲ。MBBＲHＲT、6。、、SNAD。MBBＲSNADSNAD。11.11。SNAD－MBBＲ、、、。240mm120mm2L。K3。。K3PE25mm×12mm500m2/m3。1Fig．1SchematicdiagramofSNAD－MBBＲreactor、SNAD。、。pH7．3～7．81。1Tab．1Qualityoflandfillleachatetreatedbyanaerobicprocessmg·L－1CODBOD5NH+4－NTN1500～2000300～4002000～24002100～25005000～55001.2N－1－－CODMLVSS、MLSS、SV、SVIAPHA7pHpHDOMulti3430SEM。1.31.3.1SNAD－MBBＲSNAD－MBBＲ。。MLSS4000mg/LSVI75mL/g。NH4Cl、KHCO3、Na2CO3。DO0．2～0．5·22·3423．watergasheat．commg/L、32～35℃、pH7．5～8．0。NH+4－N∶NO－2－N=1∶11∶1．3281∶1C/N0．65K3PE。MLSS3500mg/LSVI55mL/g。MBBＲ33～35℃pH7．5～8．0DO0．03～0．1mg/L。。1.3.2SNAD－MBBＲNH+4－NNH+4－N150mg/L50mg/LNH+4－N80%。NO－2－N100mg/L9NO－2－N。MBBＲ、DO、pH1．3．1。22.1SNAD－MBBＲ2。60d。NH+4－N。NO－2－NNH+4－N20、3545NH+4－N300、400、500mg/L。57dNH+4－NNO－2－N230、210mg/LNH+4－NNO－2－N54%42%。60dNH+4－N∶NO－2－N1∶1。2Fig．2VariationofnitrogenconcentrationduringacclimationofpartialnitrificationK3SNAD－MBBＲ3。30dSNAD－MBBＲ。NO－2－N18%、NO－2－N90mg/LNO－2－N。NO－3－N12mg/LCOD45mg/L。3SNAD－MBBＲCODFig．3VariationofnitrogenandCODconcentrationduringacclimationofSNAD－MBBＲ64NH+4－N224mg/L283mg/LNO－2－N78mg/L33mg/L。NO－2－N。·32·．watergasheat．comSNAD－MBBＲ3423NH+4－NNO－2－NNO－3－N。8711mg/LNO－2－NNO－3－N9、12mg/L。TN94%SNAD－MBBＲ。2.2SNAD－MMBＲSNAD－MBBＲ4。。NH+4－NNO－2－NNO－2－N。480%。4SNAD－MBBＲFig．4ChangeofeffluentnitrogeninSNAD－MBBＲ1300．9kg/m3·d10d88%1401kg/m3·dNH+4－NNO－2－NNO－3－N20%。COD5AOB。149NH+4－N300mg/L20%。5SNAD－MBBＲCODFig．5ChangeofeffluentCODinSNAD－MBBＲ2.3SNAD－MBBＲSNAD－MBBＲ、6。6Fig．6Comparisonofbiofilmformationatdifferentstages、。SNAD－MBBＲ30d。。SNAD－MBBＲ50d·42·3423．watergasheat．com。SEM7。AnammoxAOB。7Fig．7SEMofbiofilmbeforeandafterlandfillleachateinflow3①MBBＲSNAD。90d1kg/m3·dTN94%。②33～35℃、DO0．03～0．1mg/L、pH7．5～8．0、HＲT12hSNAD－MBBＲTN0．9kg/m3·dTN88%。③TN1kg/m3·dTN20%。1BohdziewiczJKwarciakA．Theapplicationofhybridsys-temUASBreactor－ＲOinlandfillleachatetreatmentJ．Desalination20082221/3128－134．2DapenaMACamposJLMosqueraCAetal．StabilityoftheANAMMOXprocessinagas-liftreactorandaSBＲJ．JBiotechnol20041103159－170．3GuoJPengYYangQetal．Theoreticalanalysisanden-hancednitrogenremovalperformanceofstep-feedSBＲJ．WaterSciTechnol2008584792－802．4WuLXuYShiXetal．AdvancedtreatmentoflandfillleachatebycombinedprocessofpartialnitrificationandanaerobicammoniumoxidationJ．ＲesEnvironSci2016294587－593．5ChenHHLiuSTYangFLetal．ThedevelopmentofsimultaneouspartialnitrificationANAMMOXanddenitri-ficationSNADprocessinasinglereactorfornitrogenremovalJ．BioresourTechnol200910041548－1554．6．MBBＲJ．2017448149－150．WangYajuHuangShengYangHuiminetal．StudyontheeffectofdifferentfillingrateonMBBＲwastewatertreatmentJ．GuangdongChemicalIndustry2017448149－150inChinese．7WalterWG．StandardMethodsfortheExaminationofWa-terandWastewaterM．WashingtonAmericanPublicHealthAssociation1998．8．D．2011．TangChongjian．CharacteristicsandControlStrategiesofANAMMOXProcessD．HangzhouZhejiangUniversi-ty2011inChinese．9NiSQNiJYHuDLetal．EffectoforganicmatterontheperformanceofgranularanammoxprocessJ．Biore-sourTechnol2012110701－705．1973－ANA-MMOX、、。[e-mail]2018－04－05·52·．watergasheat．comSNAD－MBBＲ3423