包埋固定化异养硝化菌强化处理氨氮有机废水

11211121．5106302．510630Burkholderiasp．YX02PVASABurkholderiasp．YX02。Burkholderiasp．YX0225℃、pH7．0、C/N10、80g/LCOD90．7%、82．4%。COD。X703A1000－4602201501－0005－052011B030800009EnhancedTreatmentofOrganicWastewaterContainingAmmoniaNitrogenbyEmbeddedImmobilizedHeterotrophicNitrobacteriaSHAOJi-lun1CAOGang12LIZi-hui1LUOKai1LIMing-yu121．SchoolofEnvironmentJinanUniversityGuangzhou510630China2．WaterTreatmentEngineeringＲesearchCenterJinanUniversityGuangzhou510630ChinaAbstractHeterotrophicnitrobacteriaBurkholderiasp．YX02wasembeddedimmobilizedbyusingpolyvinylalcoholPVAandsodiumalginateSAasthecarriers．Thetreatmentoforganicwastewatercontainingammonianitrogenbythecontinuousflowreactorfilledwiththeembeddedimmobilizednitro-bacteriawasinvestigated．Theresultsshowedthattheoptimalreactionconditionsfortheenhancedtreat-mentofthewastewaterweretemperatureof25℃pHof7．0C/Nratioof10andembeddedballquanti-tyof80g/L．UndertheseconditionstheremovalratesofammonianitrogenandCODwere90．7%and82．4%respectively．Theembeddedballquantityhadthebiggesteffectonthetreatmentefficiency．Un-derconditionsofdifferentinfluentflowratesandammonianitrogenconcentrationscomparedwithaddingthenitrobacteriadirectlyintothecontinuousflowreactoraddingtheembeddedimmobilizednitrobacteriacouldsignificantlyenhancetheremovalratesofammonianitrogenandCODandimprovetheresistanceofthereactortoammonianitrogenandorganicloads．Keywordsheterotrophicnitrobacteriaembeddedimmobilizedcontinuousflowreactororganicwastewatercontainingammonianitrogenoptimalreactionconditions·5·31120151CHINAWATEＲ＆WASTEWATEＲVol．31No．1Jan．2015。1。。23。Burkholde-riasp．YX02PVASA。COD。11.1Burkholderiasp．YX02LB。1.21。1Fig．1Immobilizedmicroorganismballs6g8%0．7g1%100mL。Burkholderiasp．YX021∶105%15h。4℃。3～4mm。1.328cm、40cm1．5L。。A1Burkholderiasp．YX02A2。2Fig．2Schematicdiagramofexperimentalset-uppH7．0～7．6COD700～1000mg/LNH+4－N20～50mg/LTN30～60mg/LTP10～20mg/L。A2/O。、0．5L/d、30℃。1.4A20．5L/d100mg/L。3d。pH30℃50g/LC/N10pH6．0、7．0、8．0、9．010．0。pH7．0·6·311．watergasheat．com50g/LC/N1020、25、30、3540℃。C/NpH7．030℃50g/LCODC/N1、5、10、15、20。pH7．030℃C/N1020、50、80g/L。1.5pH、、C/N1。1Tab．1FactorsandlevelspH/℃C/N/g·L－116．02552027．030105038．03515801.6A1、A2COD1000mg/L50、80、140mg/L0．5、1．0、1．5L/d3dCOD。COD。22.1COD、3。3Fig．3OperationperformanceofreactorduringstartupCOD。17dCOD、1000、50mg/LCOD60．7%、44．3%。、。17d。2.22.2.1pHpHpH4。pH。pH6．0、7．0、8．077．2%、85．8%、82．2%pH＞9．080%。。pHCOD74．9%～76．4%Burk-holderiasp．YX02pH。pH。2.2.2。。COD。20℃COD74．1%69．2%25～40℃COD85%75%。。25～35℃。25～35℃。2.2.3C/NC/N120COD。C/N1COD65．5%、61．4%C/N1085．2%C/N15COD82．8%。C/N15～20COD。C/N10～154。·7·．watergasheat．com3114C/NCODFig．4EffectofC/NratioonremovalofNH+4－NandCOD2.2.4COD5。5CODFig．5EffectofembeddedballquantityonremovalofNH+4－NandCOD。5。20g/L75．3%85%50g/L。。50g/LCOD78．1%80g/L。CODCOD。COD50g/L。2.36。COD25℃、pH7．0、C/N10、80g/L。＞pH＞C/N＞。6、CODFig．6AverageremovalrateofNH+4－NandCODunderdifferentfactorsandlevels2.47A1A2COD。7、CODFig．7ＲemovalrateofNH+4－NandCODunderdifferentinfluentflowandammonianitrogenconcentration·8·311．watergasheat．com50mg/L140mg/LA2A1。0．5L/d1．5L/dA2A1。A2。5。A1A2CODA2A1A2A1。COD。6。COD。7～9。Burkholderiasp．YX02。3①Burkholderiasp．YX02pH25～35℃C/N10～1550g/L。②Burkholderiasp．YX02=25℃、pH=7．0、C/N=10、=80g/L。COD90．7%82．4%。③COD。1．J．200929147－52．2．J．200824356－59．3．J．201139434－36．4．pHJ．200983121－124．5．SBＲJ．20093212164－167．6．OＲPJ．20122817117－120．7．J．20124031679－1686．8BatheSSchwarzenbeckNHausnerM．Bioaugmentationofactivatedsludgetowards3-chloroanilineremovalwithamixedbacterialpopulationcarryingadegradativeplasmidJ．BioresourTechnol2009100122902－2909．9SiripattanakulSWirojanagudWMcEvoydJMetal．AfeasibilitystudyofimmobilizedandfreemixedculturebioaugmentationfortreatingatrazineininfiltrateJ．JHazardMater20091682/31373－1379．1990－。[e-mail]2014－09－24·9·．watergasheat．com311