好氧硝化颗粒污泥的培养及其性能宋志伟

91Vol．9No．120151ChineseJournalofEnvironmentalEngineeringJan．2015150022SBAＲ。、6280dSVI25．5227．68mL/g93．15%75．43%COD90%SOUＲ、ZetaEPS。X703A1673-9108201501-0200-07CultivationandcharacteristicsofaerobicnitrifyinggranulesSongZhiweiNingTingtingWangQiuxuSchoolofEnvironmentalandChemicalEngineeringHeilongjiangUniversityofScienceandTechnologyHarbin150022ChinaAbstractInordertoresearchtheinfluenceofdifferentinoculationsludgeonthecultureandpropertyofaerobicnitrifyinggranularANGactivatedsludgeandanaerobicgranularsludgewereadoptedrespectivelyinsequencingbatchairliftreactorSBAＲ．TheresultsshowedthatANGcouldbeobtainedwhenactivatedsludgeandanaerobicgranularsludgewereusedasseedsludgerespectivelyanditsmaturetimesofANGwereabout62dand80dtheSVIwereabout25．52mL/gand27．68mL/gtheNH+4-Nremovalratereached93．15%and75．43%CODremovalratewereabove90%meanwhiletheSOUＲZetaEPSofANGincreasedsignificant-lymicrobialactivityandhydrophobicpropertiesenhancedANGculturedformactivatedsludgehadbetterper-formance．Keywordsactivatedsludgeanaerobicgranularsludgeaerobicnitrifyinggranularsludgeextracelluarpol-ymericsubstancesE2014612013－12－092013－12－291968—。[e-mail]。、、1。。。DeBeerD．2。3N/C90%。Cydzik-KwiatkowskaA．4SBＲ、C/N99%AOB。0．3mgNH+4-N/gTSS·d40%。。sequencing1batchairliftreactorSBAＲ。11．115LH/D15∶150%。2SBAＲＲ1Ｒ2。2．4m/s、0．24m3/h、6h、3．0kgCOD/m3·d。5min、5min20min3min。COD80、130160mg/L200mg/L。1SBAＲFig．1SchematicdiagramofSBAＲinstallation1．2C6H12O6·H2O1500mg/LNH4Cl300mg/LFeSO4·7H2O30mg/LMgSO4·7H2O22．5mg/LCaCl2150mg/LK2HPO452．5mg/LKH2PO422．5mg/L75mg/L112．5mg/L1mL/L。1．3EGSB1。1．4COD、NH+4-N、NO－2-N、NO－3-N、TN、SVI、MLSS、MLVSS5ZetaJS94HSOUＲ6extracellularpolymericsubstancesEPS7polysac-charidePS8proteinsPN8。22．12．1．1Ｒ1Ｒ22。25dＲ1SVI53．217mL/g。25d8000～12000mg/L1500mg/L。62d1Table1CharacteristicsofseedsludgeMLSSg/LSVImL/gSOUＲmgO2/gVSS·minZetamVＲ17．59123．780．276－22．585Ｒ217．3413．460．059－3．91410292Fig．2MorphologyofgranulesＲ1NH+4-N0．32kg/m3·dNH+4-N9。SVI25．52mL/g12．72m/h33．59m/h。5dＲ2SVI13．46mL/g56．77mL/g25d80dＲ2SVI27．68mL/g30m/hCOD、NH+4-N。2、1002。Ｒ2Ｒ1Ｒ220dＲ2。2．1．22282dＲ1Ｒ23。3Fig．3Sizedistributionofaerobicdenitrifyinggranularsludge3a22dＲ1Ｒ2＜0．2mmＲ1＜0．2mm55%Ｒ2＜0．2mm63%Ｒ1＞0．2mmＲ2Ｒ1Ｒ2Ｒ2。3b82d2＜0．4mmＲ1Ｒ2＞0．2mm81．18%73．6%Ｒ1＞0．4mmＲ2Ｒ1Ｒ2Ｒ12021EPS15。2．22．2．1SOUＲ4。4SOUＲFig．4VariationofSOUＲofaerobicdenitrifyinggranularsludge4SOUＲＲ1Ｒ2。SOUＲＲ2SOUＲ0．1mgO2/gVSS·min。Ｒ220dＲ1Ｒ2SOUＲ0．4mgO2/gVSS·min。30Ｒ1SOUＲＲ1、23dMLSS5g/L2．38g/L。40Ｒ1SOUＲ90d1．06mgO2/gVSS·minＲ2SOUＲ1mgO2/gVSS·min。SOUＲ1．210SOUＲ11。2．2．2Zeta5。5ZetaFig．5VariationofZetapotentialofaerobicdenitrifyinggranularsludge5Ｒ1ZetaＲ1ZetaZeta－4．39mVＲ2ZetaZeta20d－17．694mVZeta－5mV。12。2．2．3EPS13。2Ｒ1Ｒ2EPS、PS、PNPN/PSEPSPSPN。3Ｒ1PS、PNEPSEPS25．5mg/gVSS112．11mg/gVSSPN/PS1．493．01PS、PNPN/PS2．8～3．5。。Ｒ2EPS、PS、PN。EPSPN/PS3．03PN/PS0．43。30d30292Table2VariationofextracellularpolymerstdPSmg/gVSSPNmg/gVSSEPSmg/gVSSPN/PSＲ1Ｒ2Ｒ1Ｒ2Ｒ1Ｒ2Ｒ1Ｒ2010．2221．6815．2865．7325．5087．411．493．031013．1216．7720．5911．6733．7128．441．560．432016．5218．5821．4517．5337．9730．111．290．943020．1224．9527．7931．3947．9156．341．381．254021．6922．2645．5630．3767．2552．632．101．325023．9722．8661．8943．8785．8666．732．581．926025．3528．0472．5454．6197．8982．652．861．947028．3729．0883．3662．76111．7391．842．932．158026．4729．7785．6968．19112．1697．963．232．299027．9330．2984．1877．89112．11108．183．012．57EPSPN56．34mg/gVSS108.18mg/gVSS。PN/PSPSPN1415。2．3COD90%～95%。、。。NH+4-NCOD。6NH+4-NNH+4-N。6Ｒ115NH+4-N。15Ｒ1SOUＲ。33d95%37dNH+4-N0．16kg/m3·d0．26kg/m3·d60NH+4-N85%616NH+4-NFig．6ConcentrationandremovalefficiencyofNH+4-NNH+4-N0．32kg/m3·d9380%NH+4-N0．40kg/m3·d。NH+4-N。Ｒ2Ｒ1。Ｒ2NH+4-N80%16。NH+4-NNH+4-NNH+4-N。Ｒ1NH+4-NＲ2NH+4-NＲ1Ｒ2。40217Ｒ1Ｒ2NO－3-NNO－2-N。Ｒ1Ｒ2NO－2-N2mg/L。NOBNH+4-N。Ｒ1Ｒ2NO－3-NNH+4-N。2910mg/LNH+4-N3761NO－3-NNH+4-N7NO－3-NNO－2-NFig．7ConcentrationchangesofNO－3-NandNO－2-NNO－3-N。NO－3-N。31SBAＲ62d80dSVI25mL/g30m/h。2SOUＲ、Zeta、EPS。Ｒ1SOUＲ1．02mgO2/gVSS·minZeta－5mVEPS100mg/gVSSPN/PS3。3Ｒ1COD93．26%82．91%NO－3-NＲ2。1．．2009293449-473WangJianlongZhangZijianWuWeiwei．Ｒesearchad-vancesinaerobicgranularsludge．ActaScientiaeCircum-stantiae2009293449-473inChinese2DeBeerD．VanDenHeuvelJ．C．OttengrafS．P．P．Mi-croelectrodemeasurementsoftheactivitydistributioninni-trifyingbacterialaggregates．AppliedandEnvironmentalMi-crobiology1993592573-5793．．2010269100-103WeiXiangWuYonggangZhuWenbinetal．Studyoncul-tivationofnitrifyinggranularsludgeanditsnitrifyingper-formance．ChinaWater＆Wastewater2010269100-103inChinese4Cydzik-KwiatkowskaA．Wojnowska-BaryaI．Nitrifyinggranulescultivationinasequencingbatchreactorataloworganics-to-totalnitrogenratioinwastewater．FoliaMicrobi-ologica2011563201-2085．4．20026．．201022-23TongLongyan．Ｒesearchontheinfluenceofflocculantbac-teriumongranulationofaerobicactivatedsludge．HarbinMasterDissertationofHeilongjiangUniversityofScienceandTechnology201022-23inChinese7．Pb2+．20123-4NiZheng．Optimizationofextractionconditionofextracellu-larpolymericsubstancesfromactivatedsludgeanditsad-sorptionabilityandmechanismforleadions．WuhuMasterDissertationofAnhuiPolytechnicUniversity20123-4inChinese50298．．2012693294-3298MaoYanpingChenQuanyuanDuFeifei．Conditionoptimi-zationofextractingextracellula