搜索
28420098JOURNALOFTIANJINPOLYTECHNICUNIVERSITYVol.28No.4August2009+MBRC12231.3001602.3001603.400030+MBRCMBR+MBRCODCr.+MBRCODCr1100mg/LCODCr200mg/LMBR145mg/L10mg/L90%25h.MBRTS102.528.1X703.1A1671－024X200904－0009－03StudyontreatmentofvitaminCwastewaterbyozoneandmembranebioreactorYANGXin-ning1ZHAOYan-hua2DAIHai-ping2YIXiu-qiang31.KeyLaboratoryofHollowFiberMembraneMaterialandMembraneProcessofMinistryofEducationTianjinPoly－technicUniversityTianjin300160China2.TianjinMotianMembraneEngineeringandTechnologyCoLtdTianjin300160China3.PhysicsDepartmentChongqingUniversityChongqing400030ChinaAbstractThewastewaterofsomevitaminmanufactureristreatedbyusingozone+membranebioreactorMBR.ThedifferenceofCODCrremovalbetweenMBRprocessandozone+MBRprocessisinvestigated.TheresultsshowthattheCODCrofinfluentisabout1100mg/LandtheCODCrofeffluentisbelow200mg/Laftertreatedbyozone+MBRprocessandbetterthanMBRprocess.TheNH4-Nofinfluentis145mg/LinaverageandtheNH4-Nofeffluentcanreduceto10mg/L.TheremovalrateofNH4-Ncanexceed90%.Thehydroliretentiontimeis25handeffluentqualitycanmeettherequirementofexpansionproject.KeywordsvitaminCwastewaterozoneMBRsludgedomestication2009-05-251984—1964—．E-mailDAIHAIPING@126．comMBR、、、[1].[2].C、、、[3].MBR.C40h《》GB8978—1996.CC50d+MBR.11.11.28、10m3400L/h25h.500g/h..FP-A20m2PVDF0.2μm..PLC8min2min..1.21.9d..4000mg/L.2MBRCODCr.29dMBRCODCr.3+MBRCODCr.30~50dCODCr.22.1MBRCODCr、、.20dCODCr1900mg/L1100mg/LCODCrCODCr200~300mg/L149mg/L80%2.100mg/L145mg/L5mg/L90%3.2.2+MBRMBR2、3.CODCr.35~50d5500mg/LCODCr200mg/L150mg/L178mg/L.35mg/L.SS.+MBRMBRCODCr.CODCr1Fig.1Experimentaldevice3Fig.3NH4-Nofinfluentandeffluent10——43PVA/PNI－PA、.313.PNIPA/PVA.2.[1]HUMinKURISAWAMotoichiDENGRenshengetal.Cellimmobilizationingelatin-hydroxyphenylpropionicacidhydro－gelfibers[J].Biomaterials2009303523-3531.[2]YULiweiGULixia.EffectsofmicrostructurecrosslinkingdensitytemperatureandexteriorloadondynamicpH-re－sponseofhydrolyzedpolyacrylonitrile-blend-gelatinhydrogelfibers[J].EuropeanPolymerJournal2009451706-1715.[3]ANDERSONKyleDLUDavidMCCONNEYMichaelEetal.Hydrogelmicrostructurescombinedwithelectrospunfibersandphotopatterningforshapeandmoduluscontrol[J].Poly－mer2008495284-5293.[4]MAOLijiangHUYuanjiePIAOYinshietal.Structureandcharacterofartificialmusclemodelconstructedfromfibroushydrogel[J].CurrentAppliedPhysics20055426-428.[5]FEIJianqiGULixia.PVA/PAAthermo-crosslinkinghydrogelfiberpreparationandpH-sensitivepropertiesinelectrolytesolution[J].EuropeanPolymerJournal2002381653-1658.[6]ZHANGJiantaoBHATRahilaJANDTKlausD.Tempera－ture-sensitivePVA/PNIPAAmsemi-IPNhydrogelswithen－hancedresponsiveproperties[J].ActaBiomaterialia20095488-497.[7]HANJingWANGKeminYANGDongzhietal.Photopoly－merizationofmethacrylatedchitosan/PNIPAAmhybriddual-sensitivehydrogelsascarrierfordrugdelivery[J].InternationalJournalofBiologicalMacromolecules200944229-235.[8]FENGXiaCHENLiJULeileietal.PNIPAm/PVAthermo-sensitivefibers[C]//ProceedingsofInternationalConferenceonSmartMaterialsandNanotechnologyinEngineering.HarbinSPIE2007672-684.（8）.①、、、②③[4].+MBR[5].0.96kgCOD/m3·d1.66kgCOD/m3·d.CODCr30CODCr150~190mg/LCODCr.+MBR25hCODCr《》GB8978—1996.31+MBRSS.2COD150~190mg/LMBRCOD.3100mg/L10mg/L5mg/L.425h《》GB8978—1996.[1]．[J]．2005251l0.[2]．[J]．199516579-81．[3]．MBR[J]．2001101914-16．[4]．[J]．2002223366-368．[5]．[M].:,2007.，：+MBRC11——