AOMBR工艺短程硝化反硝化处理垃圾渗滤液中试研究赵晴

44120181JOUＲNALOFBEIJINGUNIVEＲSITYOFTECHNOLOGYVol．44No．1Jan．2018AO-MBＲ112341．5100062．5102753．5102754．518047A/O-MBＲ．1500mg/L、2∶1、HＲT4.21dCODTN80%．MBＲTU992.3A0254－0037201801－0045－05doi10．11936/bjutxb20170600442017-06-265150811512014308152016100101652015A0303131492016K00022016TQ03Z3361983—[e-mail]1982—[e-mail]-scaleStudyofNitritation-DenitritationofLandfillLeachatebyanAO-MBＲProcessZHAOQing1LIANGJun-yu1LHui23MENGLiao41．SchoolofCivilEngineeringGuangzhouUniversityGuangzhou510006China2．SchoolofEnvironmentalScienceandEngineeringSunYat-SenUniversityGuangzhou510275China3．GuangdongProvincialKeyLaboratoryofEnvironmentalPollutionControlandＲemediationTechnologyGuangzhou510275China4．ShenzhenXiapingMunicipalSolidWasteLandfillSiteShenzhen518047ChinaAbstractForthelandfillleachatetreatmentitishardtoachievenitrogenremovaleffectivelywithoutexternaladditionoforganiccarbonsource．Tosolvethisengineeringproblemapilot-scaleAO-MBＲprocesswasdevelopedinthisstudytoremovethehighloadingorganicsandnitrogenbynitritation-denitritationinrawmunicipallandfillleachate．Thestabilityandperformanceofthepilot-scaleAO-MBＲprocessunderdifferentinfluentρC/ρNmassratioswereinvestigated．TheresultsofthisstudyshowedthattheremovalefficienciesofCODandTNwereabove80%withinfluentammoniaconcentrationof1500mg/LρC/ρNmassratioofabove2andhydraulicretentiontimeHＲTof4.21d．Itindicatesthatthepilot-scaleAO-MBＲprocesssuccessfullyachievesefficientbiologicalremovalofammoniafromrawlandfillleachatewithlowρC/ρNmassratio．KeywordsmembranebioreactorMBＲlandfillleachatenitritation-denitritationρC/ρN2018、1．1000～3000mg/L2-5．membranebioreactorMBＲ6．FACODTN7-9．MBＲ．MBＲA/O-MBＲ．11.1、AMBＲO1、3.0、0.9、1.8m3．MBＲSPMW-301AD5PoreflonSUMITOMO0.2μm．．200d50d．5．10min2min5∶1．15～32℃28℃．DOρDO2mg/LρDO0.3mg/L．MBＲρMLSS10000mg/L．1．1AO-MBＲFig．1Schematicdiagramofthepilot-scaleAO-MBＲprocessusedinthisstudy1Table1Operatingparametersandinfluentcharacteristics153—66267—88389—1204121—1635164—187/m3·d－11.41.471.270.640.65∶0∶11∶41∶21∶01∶0HＲT/d0.640.610.711.411.38HＲT/d1.291.221.422.802.76COD/mg·L－12234±3162566±2812362±5652000±2533168±436NH+4-NN/mg·L－1490±116704±64998±751677±3861522±184NH+4-N/kg·m－3·d－10.2540.3850.4690.3980.368TN/mg·L－1502±46745±761033±631884±941560±128641AO-MBＲ1.2ρCODCrρNH+4-N、ρNO－2-N、ρNO－3-N、ρTN10pH、DODOYSIDOmodel52USApHmodel3675Jenco．22.12.1.1COD2COD1、2CODCOD70%．2COD1COD．3、4COD10%．3ρCOD1500～3000mg/LCODCOD840mg/L．4COD．4COD2000～2500mg/L5COD3000mg/LCOD80%．2CODFig．2CODremovalperformanceinthepilot-scaleAO-MBＲprocess1gNO－2-N1.14gCOD．COD．CODCOD60%～80%COD500～800mg/L2COD．2CODCODTable2MeasuredandactualCODintheeffluentofthepilot-scaleAO-MBＲprocessinallfivephases12345COD/mg·L－122342566236220003168COD/mg·L－15746908401636767COD/mg·L－1540618647760643COD/%7676736280NO－2-NN/mg·L－130631697681092.1.2、14543．2210.254kg/m3·d0.385kg/m3·d．299.5%90%．30.469kg/m3·d．87%MBＲ．4、5．1600mg/LNHＲT4d0.4kg/m3·d．480%．768mg/LNFNA0.075mg/L．pH6.5～8.0．FAFNAAOB．7420184．585%．3Fig．3NH+4-Nremovalperformanceinthepilot-scaleAO-MBＲprocess4＜25mg/L13200mg/L4600mg/L525mg/L．．10.32．20NOB．FA2～29mg/L．NOB11-12．12FNA0.02～0.40mg/LNOB．FNA0.006mg/L．FANOBMBＲ．2.25MBＲ124∶13∶1TN70%32∶1TN65%．ΔρCOD/ΔρTN2.64～541.2CODTN30%ΔρCOD/4Fig．4NO－2-NandNO－3-Nperformanceinthepilot-scaleAO-MBＲprocessΔρTN2.2．COD．52∶1TN80%．ΔρCOD/ΔρTN2.2．5Fig．5TNremovalperformanceinthepilot-scaleAO-MBＲprocess3．AO-MBＲTNCOD．550.368kg/m3·dN2∶1TNCOD80%841AO-MBＲ．1JILZHOUJT．InfluenceofaerationonmicrobialpolymersandmembranefoulinginsubmergedmembranebioreactorsJ．JournalofMembraneScience2006276168-177．2．J．2012341114-19．YANGXZWANGYLXIAXHetal．EffectofdissolvedoxygenontheshortcutnitrificationofagedlandfillleachateandmicrobialcommunitystructureJ．EnvironmentalPollution＆Control2012341114-19．inChinese3MASSEASPEＲANDIOMCABASSUDC．ComparisonofsludgecharacteristicsandperformanceofasubmergedmembranebioreactorandanactivatedsludgeprocessathighsolidsretentiontimeJ．WaterＲesearch200640122405-2415．4HUSWYANGFLSUNC．SimultaneousremovalofCODandnitrogenusinganovelcarbon-membraneaeratedbiofilmreactorJ．JournalofEnvironmentalSciences200820142-148．5．－D．2011．WULN．Advancednitrogenremovalvianitritefromlandfillleachatebytheanaerobic-aerobiccombinedprocessD．BeijingBeijingUniversityofTechnology2011．inChinese6FUXCVELTENSCAＲOZZIVetal．Efficientandstablenitritationanddenitritationofammonium-richsludgedewateringliquorusinganSBＲwithcontinuousloadingJ．WaterＲesearch200640142765-2775．7．MBＲ-AFJ．20123281814-1821．FANMLZHANGYXZHANGJSetal．TheperformanceofbioaugmentedMBＲ-AFprocessfornitritationanddenitritationJ．ActaScientiaeCircumstantiae20123281814-1821．inChinese8．MBＲ+NF+ＲOD．2014．GAOF．TheproductivestudyoflandfillleachatetreatmentbyMBＲ+NF+ＲOprocessesD．WuhanWuhanUniversityofTechnology2014．inChinese9．A/O/N-Fenton-BAFD．2013．HUANGZC．StudyoftheleachatetreatmentforwasteincinerationplantbyA/O/N-Fenton-BAFprocessD．GuangzhouSouthChinaUniversityofTechnology2013inChinese10．M．4．2002258-285．11ANTHONISENACLOEHＲＲCPＲAKASAMTBSetal．InhibitionofnitrificationbyammoniaandnitrousacidJ．JournalofWaterPollutionControlFederation197648835-852．12VAD