MBBRSA工艺处理模拟大豆深加工废水厌氧出水及污泥减量化朱毅

69Vol．6No．920129ChineseJournalofEnvironmentalEngineeringSep．2012MBBR-SA1222*1.8320032.100081--MBBR-SACOD、。COD1350～1851mg/L、TN45～73mg/LTP35～55mg/L。70dHRT1.68d0.75COD、TNNH+4-N91.5、12.411.4mg/L《》、B96.0%、87.4%88.3%0.13MBBR43.5%。MBBR-SAX703.1A1673-9108201209-2995-06TreatmentofanaerobiceffluentfromsyntheticsoybeanfurtherprocessingwastewaterandsludgereductionbyMBBR-SAprocessZhuYi1LiXiaoxia2WangJun2LiChun21.SchoolofChemistryandChemicalEngineeringShiheziUniversityShihezi832003China2.SchoolofLifeScienceandTechnologyBeijingInstituteofTechnologyBeijing100081ChinaAbstractAccordingtopropertiesofanaerobiceffluentfromthesoybeanfurtherprocessingwastewaterMBBR-Settling-AnaerobicMBBR-SAsystemwasdesignedandoperatedwiththesyntheticsoybeanwastewaterwhichwithCODof1350～1851mg/LTNof45～73mg/LandTPof35～55mg/LtheeffectsofCODre-movalandnitrogenremovalwereinvestigated.During70daysoperationagoodperformancewasshownintheMBBR-SAsystemwhentheoptimalhydraulicretentiontimeHRTandrefluxratiowere1.68dand0.75re-spectively.ThetreatedeffluentlevelsofCODTNNH+4-Nremainedbelow91.5mg/L12.4mg/L11.4mg/LrespectivelyandmetClassIIstandardClassIIstandardandClassIBStandardofDischargeStandardofPol-lutantsforMunicipalWastewaterTreatmentPlantrespectively.TheaverageremovalefficienciesofCODTNandNH+4-Nineffluentwere96.0%87.4%and88.3%respectivelyundertheoptimaloperationconditions.Theresidualsludgewasnotdischargedandtheobservedsludgeyieldwas0.13whichreducedby43.5%thanMBBR.Remarkableon-sitesludgereductionwasrealizedbyMBBR-SAsystem.KeywordssoybeanfurtherprocessingwastewateranaerobiceffluentMBBR-SAnitrogenremovalsludgereduction“”2008ZX07207-003-032011－01－282011－03－311984～。[e-mail]*[e-mail]30000mg/LBOD15000mg/L1ABR、UASBIC23COD1500mg/L50mg/L245。。SBR、UCT、A2O、67。68。。。、、9-13。movingbedbiofilmreactor。-14--OSA-15-17。OSA--MBBR-SA。F/M、18MBBR-SACOD、。11.1MBBR-SA1MBBR、3。MBBR8.19L25mm10～12mm110kg/m3≥500m2/m3230%。12L。1MBBR-SAFig.1SchematicdiagramofMBBR-settling-anaerobicMBBR-SAsystem2MBBRFig.2PolyethylenecarriersinMBBRMBBRMB-BR。1.2COD1350～1851mg/LBOD5950～1300mg/LTP35～55mg/LTN45～73mg/LNO－2-N0～0.3mg/LNO－3-N0.3～1.5mg/LNH+4-N44～70mg/LpH6.5～6.9NH+4-NTN95%。BOD5/COD＜0.25BOD5/COD＞0.25BOD5/COD＞0.4519。31BOD5/COD0.710.25。1BOD5/CODTable1BOD5/CODofanaerobiceffluentfromsoybeanfurtherprocessingwastewaterBOD5mg/LCODmg/LBOD5/COD195013500.702130018510.703105014300.73110015440.71、NH42SO4、K2HPO49.5mg/LMgSO40.91mg/LCaCl20.14mg/LFe2SO43。69929MBBR-SAMBBR-SA。1.3CODBOD5WTWOxiTopIS6BOD5NH+4-NNO－3-NNO－2-NTNTPDOJPBJ-608DOpHORPHI8424pHMLSS20。1.4MBBR-SAMB-BR“”21MBBRMBBRMLSS1500mg/L。15d。2MBBR-SACOD。24℃。2.1pH、DOORP2MBBR-SApH、DOORP。MBBR、pH7.55、7.397.18。2MBBR-SApH、DOORPTable2pHDOandORPvaluesofdifferentareasinMBBR-SAMBBRpH7.557.397.18DOmg/L4.190.020.00ORPmV130－289－383ORP/ORP100mVORP100mVORP－200mV22。NO－3-N1.88mg/L0.68mg/LMBBR5.66mg/L2DOORPNO－3-N。2.2CODMBBR-SACOD3。COD1538mg/LHRTCOD91.5mg/L40mg/L《》100mg/LCOD93.8%97.4%。。3CODFig.3VariationsinCODconcentrationofinfluentandeffluentHRT2.69、2.241.68dMBBR-SAMLSS34、4864mg/LHRTMBBR23MLSS《》70mg/L。、HRT1.68d0.75CODCOD59.5mg/L96%。3MBBR-SACODMBBRCODCODNH+4-N79926。CODMBBRCOD。3MBBR-SAMBBRCOD、TNNH+4-NTable3ComparisonofremovalefficiencyoftheinfluentCODTNandNH+4-NinMBBRandMBBR-SA%CODTNNH+4-NMBBR-SA96.087.488.3MBBR97.388.791.92.34MBBR-SA、TN。TN45～73mg/L52.7mg/L。TN12.4mg6.8mg《》B20mg/LTN87.4%。4TNFig.4VariationsinTNconcentrationofinfluentandeffluentTN5。TN0.8%NO－2-N8.3%NO－3-N。NH+4-NNO－x-N。NOx-N。MBBR-SA6。NH+4-N0.5～11.4mg/L6.2mg/L《5Fig.5Variationsininorganicnitrogenconcentrationofeffluent》25mg/L78.5%～99.0%88.3%。6NH+4-NFig.6VariationsinNH+4-Nremovalefficiency3MBBRTNNH+4-N88.7%91.9%。MBBRSND。。2.4TP46.3mg/LTP27.5mg/LTP20mg/L39.4%。20～50TP55TPTP。Chu242589929MBBR-SA。4CODNH+4-NMBBR31.7mg/L5.4mg/L69.0mg/L11.6mg/LTNTP。MBBRCODNH+4-N。4MBBRCOD、NH+4-N、TNTPTable4ComparisonofCODNH4-NTNandTPconcentrationinMBBRandAnaerobictankmg/LCODNH+4-NTNTPMBBR31.75.411.227.869.011.612.328.5MBBR-SAMLSS105.60g39.35g70dCOD1188.57gCOD93.8%MBBR-SA0.13MB-BR54.00gMBBR217.15gMBBRCODMB-BR-SACOD97.3%MBBR0.23MBBR-SAMBBR43.5%。31HRTHRT1.68d0.75。MBBR-SACOD、NH+4-NTN91.5、11.412.4mg/L《》、B96.0%、88.3%87.4%。2MBBR-SA0.13MBBR43.5%。326。1..199924467-69HanLihua．Studyonanaerobicpurificationofwastewaterfromsoybeanproteinisolated．ChinaOilsandFats199924467-69inChinese2..2001234190-194ZhengXiaoyingCaoJiashunWangHuiminetal．Tech-nologyoftreatmenttosoybeanwastewater．EnvironmentalPollution＆Control2001234190-194inChineseinChinese3..200733660-62LiangYanzhou．Foodstuffwastewatertreatmentofbean-productprocessing．Water＆WastewaterEngineering200733660-62inChinese4SariLuostarinenSamiLusteLaraValentinetal.Nitro-genremovalfromon-sitetreatedanaerobiceffluentsusingintermittentlyaeratedmovingbedbiofilmreactorsatlowtemperatures.WaterResearch20064081607-16155ZhuGefuLiJianzhengWuPengetal.Theperformanceandphaseseparatedcharacteristicsofananaerobicbaffledreactortreatingsoybeanproteinprocessingwastewater.BioresourceTechnology200899178027-80336GuoJianhuaYangQingPengYongzhenetal.Biologicalnitrogenremovalwithreal-timecontrolusingstep-feedSBRtechnolog