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33420124ENVIRONMENTALSCIENCEVol.33No.4Apr.2012112*13111.1500902.2000923.210098CODN、P..、、1.7mmSVI38.43mL·g-1TP90.9%1.3mg·L-1COD0.5715.73mg·g·h-1.、NO-3-NNO-3-N.PMg、Ca、FeP.61.9%mP/mNO-3-N1.14.X703.1A0250-3301201204-1293-062011-06-302011-09-20509780682010DFA924602009ZX07424-0051984~、、E-maildreamy2064@hotmail.com*E-mailysl@tongji.edu.cnPhosphorusRemovalCharacteristicsbyAerobicGranulesinNormalMolassesWastewaterAfterAnaerobicTreatmentWANGShuo1YUShui-li12SHIWen-xin1BAORui-ling3YIXue-song1LIJian-zheng11.StateKeyLaboratoryofUrbanWaterResourceandEnvironmentHarbinInstituteofTechnologyHarbin150090China2.StateKeyLaboratoryofPollutionControlandResourceReuseTongjiUniversityShanghai200092China3.StateKeyLaboratoryofHydrology-WaterResourcesandHydraulicEngineeringHohaiUniversityNanjing210098ChinaAbstractCODdecreasedobviouslyinnormalmolasseswastewaterafteranaerobictreatmenthoweverconcentrationsofnitrogenandphosphoruswerestillhigherintheeffluentwhichseriouslydamagedtheecologicalbalance.InthisstudyaerobicgranulescultivatedinsequencingbatchairliftreactorSBARwerecarriedoutfortreatingtheeffluentphosphorusremovalprocessesandcharacteristicswerediscussedaswell.Themeandiameterofaerobicgranulescultivatedbymultiplecarbonsourcesacetatepropionateandbutyratewas1.7mm.Theaveragephosphorusremovalefficiencywas90.9%andthelevelofphosphorusineffluentwasonly1.3mg·L-1TPreleasedperCODconsumedwas0.571andthespecificrateofTPreleasedwas5.73mg·g·h-1.NO-3-NusageofphosphorusaccumulatingorganismsPAOsimprovedduringdenitrifyingprocessbecausetheconcentrationofpropionateandbutyrateincreasedinmultiplecarbonsourceswhichmeansthephosphorusuptakeefficiencyincreasedwhenperNO-3-Nconsumed.PhosphoruscontentrepresentedastrongercorrelationwithmagnesiumcalciumandferrumcontentsinaerobicgranulesandtheirextracellularpolymericsubstancesEPSthephosphorusadsorptionbyEPScouldenhancephosphorusremoval.61.9%ofphosphorusaccumulatingorganismsweredenitrifyingphosphorusaccumulatingorganismsinaerobicgranulesandTPuptakeperNO-3-Nconsumedwas1.14whichwashigherthanthatofaerobicgranulesonlycultivatedbyacetate.KeywordsaerobicgranulesAGSextracellularpolymericsubstancesEPSphosphorusremovalcharacteristicsdenitrifyingphosphorusaccumulatingorganismsnormalmolasseswastewaterCOD..12COD0.30mmol·g-1.3COD.DOI:10.13227/j.hjkx.2012.04.02133..4~7.DeKreuk8.、、9.、、10、、.Liu11EPSEPS.12.、O21350%.14EPSEPS.、、.EPS.11.1sequencingbatchairliftreactorSBAR8.0L0.20±0.01m3·h-150%.6h30min30min5min5min.1.22.0g·L-1.4.0Lmg·L-1600200300NH4Cl400KH2PO430K2HPO460MgSO440CaCl280EDTA40NaHCO3100COD、TN、TP1200、65、15mg·L-1.1mL·L-115g·L-1FeCl3·6H2O1.5H3BO30.15CuSO4·5H2O0.03KI0.03MnCl2·4H2O0.12Na2MoO4·2H2O0.06ZnSO4·7H2O0.12CoCl2·6H2O0.15.1.3COD、TN、NO-2-N、NO-3-N、NH+4-N、TP、MLSSsludgevolumeindexSVI16.SEMS-4300NJapan.、、Model-11217.Bao9.EPSAdav181920.EPSICPPerkin-ElmerOptimas5300.EPSPExcelCorrel.1.4350mg·L-1NO-2-N、50mg·L-1NO-3-N0.05m3·h-1.22.1SBAR9d30d1.0.5~2.5mm76.4%1.7mmSVI38.43mL·g-13.7g·L-1.492141Fig.1Morphologyofaerobicgranules2.2SBAR4℃SBARCOD、TN、TP.14dCOD、TN、TP.COD、TN、TP88.5%、79.4%、90.9%23C、N、PP1.3mg·L-183.4%2CODFig.2VariationsofCODintheformationprocessofaerobicgranules3COD、TN、TPFig.3VariationsofCODTNandTPinthewholecycle0.49mmol·L·h-1.COD0.5715.73mg·g·h-1.33.1..41.4Fig.4TPremovalofaerobicgranulesbymutiplecarbonsources1Table1TPremovalcharacteristicsofaerobicgranulesbydifferentcarbonsources、、/mg·L-131.236.8/mg·L-123.734.3NO-3-N/mg·L-126.930.0/NO-3-N0.881.14TP/%85.990.9SBAR5921333.7g·L-1COD.36.8mg·L-19.95mg·g·h-1Wang21A2NHu22SBR.NO-3-N8.58mg·mg·h-1A2N18.99~23.36mg·g·h-123.AO3.0mg·g·h-124.534.3mg·L-130.0mg·L-1mP/mNO-3-N1.142.102134.3mg·L-116.3mg·L-1NO-3-N13.7mg·L-1NO-3-N.5Fig.5Denitrifyingphosphorusremovalprocessofaerobicgranules、25NO-3-NNO-3-N.NO-2-NNO-2-N4.4mg·L-19NO-2-N.NO-2-N.、、TP90.9%Wang21Chen25Bao79DeKreuk8.6PHAsPHAPHBPHAPHAPHBPHAPHB.PHVPH2MVPHB.6PHAsFig.6VariationofPHAsinphosphorusremoval3.2EPSEPS26.1.5%~2.0%Cloete14EPS5%~7%27.SBAREPS214293mg·kg-118.81mg·L-1.2PMg、Ca、Fe0.9999、0.9212、0.97490.9768、0.9971、0.9963.EPSMLSS10.05mg·g-13.97mg·g-1mPN/mPS=0.40.SBARpH8.0~8.2pH7.8~7.9EPS..692142EPSTable2ElementsanalysisinaerobicgranulesandtheirEPSMg/mg·kg-1Ca/mg·kg-1Fe/mg·kg-1P/mg·kg-140d208388721401883950d23811026114751205160d2584147931589142930.99990.92120.9749Mg/mg·L-1Ca/mg·L-1Fe/mg·L-1P/mg·L-1EPS40d1.10510.312.55210.06EPS50d1.31711.603.26015.17EPS60d1.64012.293.62418.810.97680.99710.99633.3NO-2-N、NO-3-NO270.91、1.221.55mg·g·h-1Hu2261.9%.Lee24/11%AO2SBR64%./SBAR13.24/.7Fig.7Effectsofdifferentelectronacceptorsondenitrifyingphosphorusremoval41、、1.7mmSVI38.43mL·g-1TP90.9%1.3mg·L-1COD0.5715.73mg·g·h-1.2、NO-3-NNO-3-N.3EPSP14293mg·kg-118.81mg·L-1Mg、Ca、FeEPS.461.9%NO-3-NmP/mNO-3-N1.14./.1RenNQLiJZLiBKetal.Biohydrogenproductionfrommolassesbyanaerobicfermentationwithapilot-scalebioreactorsystemJ.InternationalJournalofHydrogenEnergy200631152147-2157.2LiJZLiBKZhuGFetal.HydrogenproductionfromdilutedmolassesbyanaerobichydrogenproducingbacteriainananaerobicbaffledreactorABRJ.InternationalJournalofHydrogenEnergy200732153274-3283.3XingDFRenNQWangAJetal.Continuoushyd
本文标题:好氧颗粒污泥处理制糖工业废水厌氧出水的除磷特性研究王硕
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