UBF厌氧反应器处理高pH值退浆废水的启动试验研究薄国柱

28　3Vol.28　No.320068JournalofHebeiInstituteofTechnologyAug.2006:1007-2829(2006)03-0134-04UBFpH1,2,3,3(1.,063009;2.,,210036;3.,210098):UBF厌氧反应器;退浆废水;快速启动;颗粒污泥　:重点研究采用UBF厌氧反应器难降解退浆废水的启动,试验结果表明,在中温(35±3℃)、进水COD为2000mg/L左右、HTR为24h、OLR为2.0kgCOD/m3d、pH7.6左右情况下2个月迅速启动,COD去除率稳定,并培养出适应水质要求厌氧颗粒污泥;经过YDT弹性填料和组合填料的挂膜比较发现:组合填料经YDT弹性填料挂膜快、三相分离效果好、COD处理效果组合填料经YDT填料高2%～8%。:X703　　:A　　,(、、、,)CODCOD60～70%,80%,,COD,50～55%,15%[1,2],PVA()、CMC(),PVA,,BOD5/CODcr0.064,(pH14),[3]。UBF(UASB)(AF),,UBF,,(OLR),UBF,,[4]。,。1　1.1　2UBF,90mm,1200mm,6.3L。,YDT,。,35℃,1。1.;2.;3.;4.;5.;6.;7.NaOH;8.;9.;10.PVC;11.1　UBF:2005-10-261.2　,,。:COD4000～10000mg/L,BOD5400～2000mg/L,pH12～14,SO2-4120～270mg/L,NH3—N6.2-12.4mg/L,100-200。1.3　COD:;pH:pHpH;:;(VFA):;:;SS:;。1.4　,UBF,2.5L。:(1-12d)、25%+(13-19d)、50%+(20-25d)、75%+(26-30d)100%(31-39d)。COD∶N∶P200∶5∶1,(HRT)24h,(OLR)2.0kgCODm3d。pH7.0,pH7.6。SRBMPB[5],pH,、、、pH(COD/SO42-42)。2　2.1　(COD)UBF(YDT)2,,,,CODcr80.2%;,,,,CODcr84.4%;、、,、,UBF,CODcr,:73.36%、71.87%、66.35%。UBF,。　　　　2　(HRT=24h)CODcr/[SO42-4]=1.93,CODcr84.4%,,SO42-4UBF。、、、pH7.5,,UBF。2.2　YDTUBFCODYDTUBFCOD3。135　3　　　　　　,:UBFpH3,,COD,5d,UBFYDTUBF,14d,CODUBFYDTUBF8%,,,2%。　　UBFYDTYDT,14d,,YDT。YDT,,,。2.3　UBF,,,1.0—2.0mm(4),,,PVA,TSS68.3g/L,VSS34.5g/L。2.4　UBF,,。(40d),,(15℃),12,,,HRT24,31%,,4d,COD65%。,。3　(1)COD2000mg/L、HTR24h、OLR2.0kgCODm3d、pH7.62、5,,,。、。(2)YDT:YDT、、。(3)UBF,。:[1]　.—[M].:,2000.4.[2]　HPWeberetal.—[J].,1997,(2):24-26.[3]　,.[M].:,2002.4.[4]　Guio.tS.R.,andVandenBergL.,Performanceandbiomasretentionofupflowanaerobicreactorcombiningasludgeblanketandflitertrea-tingsugarwaste,BiotechnologyandBioengineering,1985,(27):800-806.[5]　,,,.[J].,2002,(18):18-22.136　　　　　　　　　　　　　　　　　　　28　Starting-upanAnaerobicUBFReactorforTreatingDesizingWastewaterBOGuo-zhu1,LUJi-lai2,CAOJia-shun3,CAIJuan3(1.CollegeofCivilEngineeringandArchitecture,HebeiPolytechnicUniversity,TangshanHebei063009,China;2.JiangsuInstituteofEnvironmentalScience,Nanjing,Jiangsu210036,China;3.SchoolofEnvironmentalScienceandEngineering,HehaiUniversity,NanjingJiangsu210098,China)Keywords:　UBFreactor;desizingwastewater;quickstart-up;granularsludgeAbstract:　Thearticleisfocusedonstart-upofanaerobicUBFreactorfortreatingpoordegradabledesizingwastewater.ThestartupofUBFreactor,thefiltermediumretainedthebiomassandthecultivationofanaerobicgran-ularsludgeadapttodesizingwastewaterwascompletedwithintwomonthperiod.ThestartupresultsofstudyshowedthatUBFreactorischaracterizedbyfaststartup,operationstableandeffectivetreatmentcapacityatatmiddletem-perature(35±3℃)、CODofinfluentisabout2000mg/L、HRTis24h、organicloadingrate(OLR)is2.0kg-CODm3dandpHisabout7.6.ComparedwiththeYDTfiltermediumandmixingfiltermediumfound,mixingfil-termediumwasveryeffectiveasagas-liquid-solidseparator,retainingbiomassbetterthanYDTfiltermediumandhigherCODremovalrateabout2%to8%thanYDTfiltermedium.(上接第133页)RemovalofNaturalOrganicMatter(NOM)inDrinkingWaterbyConventionalTreatmentProcessJIANGDeng-ling1,BOGuo-zhu1,NIGuo-wei1,XULi-li2,SUNShan-li2(1.CollegeofCivilandArchitecturalEngineering,HebeiPolytechnicUniversity,TangshanHebei063009,China;2.TangshanMunicipalWastewaterCo.Ltd,Tangshan,Hebei063000,China)Keywords:　drinkingwater;naturalorganicmatter(NOM);nonpurgeableorganiccarbon(NPOC);assimilableorganiccarbon(AOC);removalefficiencyAbstract:　Removalofnaturalorganicmatterindrinkingwaterbyconventionaltreatmentprocess(coagulation-sedimentation-sandfiltration)wasinvestigatedinnorthChina.AverageremovalefficiencyofCODMnbyconventionaltreatmentprocesswas16.7%.TheremovalefficiencywasinfluencedbytheconcentrationofCODMnofrawwaterandtemperature,whichwasbetterwhenthebothwerehigh.Removalefficiencyofnonpurgeableorganiccarbon(NPOC)was16.7%.Assimilableorganiccarbon(AOC)concentrationincreased55.3%aftertreatmentbecauseofchlorination.AverageAOCconcentrationoftreatedwaterwas160.63μg/L.Thedrinkingwatercannotmeetabiostabilitycriteriaof10μg/L.137　3　　　　　　,:UBFpH