处理难生物降解有机物的厌氧颗粒污泥形成的技术进展33a4fb8acc22bcd126ff0c56

104200412JournalofTianjinInstituteofUrbanConstructionVol.10No.4Dec.2004刘雅巍,张春青,池勇志(,300384):为了加快以上流式厌氧污泥床(UpflowAnaerobicSludgeBlanket,简称UASB)为代表的无载体厌氧反应器处理含难生物降解有机物废水的启动速度,综述了影响厌氧颗粒污泥形成的因素.此外,为了高效快速地降解废水中的难生物降解有机物,建议向厌氧反应器中投加优势菌,以进一步提高厌氧反应器降解废水中难生物降解有机物的效率和速度.:;;;:X172:A:10066853(2004)04026303,,,.,,(UASB)(EGSB)(IC).UASB,:,2~3,1[1];,.,.,.11.1,CNP20051,.,[2].1.2(COD),0.3kgCOD/(kgVSSd),(),.0.6kgCOD/(kgVSSd),,,COD0.6kgCOD/(kgVSSd),[2].1.3UASB,,,(SelectionPressure).().,,.:20040915:(20031003):(1980-),,,.,,,.,,.Ritta2.5~3.0m/d,UASB[3].1.4:;.pH(pH),.,,SMA(SpecificMethanogenicActivity,);,SMA.,(pH8.2,),;,SMA[4].1.5,,1/4~1/3,[5].1.6(20)(35)(55).,,,.,pH(6.8~7.6)[5].2UASB,.,,,,.,.,.,,.33.1,,[6].[6],32d,COD470.3mg/L255.5mg/L,COD83.691.1,BOD5.3.2,[5].3.2.1投加无机絮凝剂或高聚物[7]UASB,,7d4.TsuyoshiImai[8],(waterabsorbingpolymer)(VFA)UASB,:750mg/L,70d,,.YuH.Q.[9]UASB,(Al3+300mg/L),UASB1,UASB10.RandallA.Wirtz[10](ASBR),,ASBR75.S.Uyanik[11]2642004104(KymeneSLK2)(ABR).,ABRABR,3,.3.2.2投加细微颗粒物[12]UASB,3~61.3.2.3投加金属离子YuH.Q.[13][14]UASB,:(ECP),,,.4(1),pH,.(2),.(3),,.(4).:[1],UASB[J],2000,18(2):1720.[2],,,.[M]:,2003.[3]RITTAHK,JUKKAAR.PerformanceofanonsiteUASBreactortreatingleachateatlowtemperature[J].WaterResearch,1998,32(3):537546.[4],,.UASB[J].,2002,18(8):1315.[5]LIUY,XUHL,YANGSF,etal.Mechanismsandmodelsforanaerobicgranulationinupflowanaerobicsludgeblanketreactor[J].WaterResearch,2003,37:661673.[6],,,.[J].,2003,30(3):5659.[7],UASB[J],1996,(3):1214.[8]ZMAIT,UKITAM,LIUJ,etal.AdvancedstartupofUASBreactorsbyaddingofwaterabsorbingpolymer[J].Wat.Sci.Tech.,1997,36(6~7):399407.[9]YUHQ,FANGHHP,TAYJH,etal.Enhancedsludgegranulationinupflowanaerobicsludgeblanket(UASB)reactorsbyaluminumchloride[J].Chemosphere,2001,44:3136.[10]WIRTZRA,DAGUERR.Laboratorystudiesonenhancementofgranulationintheanaerobicsequencingbatchreactor[J].Wat.Sci.Tech.,1997,36(4):279286.[11]UYANIKS,SALLISPJ,ANDERSONGK.Theeffectofpolymeradditionongranulationinananaerobicbaffledreactor(ABR)[J].WaterResearch,2002,36:933943.[12].UASB[J].,1996,12(5):1619.[13]YUHQ,TAYJH,FANGHHP.RolesofcalciuminsludgegranulationduringUASBreactorstartup[J].Wat.Res.,2001,35(4):10521061.[14],,.UASB[J].,2002,18(6):2628.(下转第291页)265:FEAforclampfittingsofGuangzhousubwaysBIJihong,LIUGang,LIULina,LIUFengtao(SchoolofConstructionEngineering,TianjinUniversity,Tianjin300072,China)Abstract:AccordingtotheprincipleofFEA,severalkindsofoverheadlineclampfittingsunderdifferentloadinelectrificationrailwayareanalyzedbyusingofANSYSprogram,andmaterialnonlinearandstatenonlinearareconsidered.Fromthecalculatingresult,someusefulconclusionsareconcluded,andreasonalizedsuggestionsareproposedintheperiodsofdesign,constructionandapplication.Keywords:finiteelementanalysis(FEA);ANSYS;materialnonlinear;statenonlinear(上接第265页)TechnologyadvanceonanaerobicgranularsludgeculturetotreatrefractorybiodegradableorganiccontaminantLIUYawei,ZHANGChunqing,CHIYongzhi(DepartmentofMunicipalandEnvironmentalEngineering,TIUC,Tianjin,300384,China)Abstract:Toquickenthestartupspeedoftheanaerobicreactorwithoutcarrier,suchasUASB(upflowanaerobicsludgeblanket),whichwasusedtotreattherefractorybiodegradablewastewater,factorstoaffectthegranularsludgeculturewerereviewed.Furthermore,totreattherefractorybiodegradablewastewatermoreeffectivelyandquickly,theoptimalbacteriaisadvicedtobeusedintheUASBreactor,sotheanaerobicreactorcouldtreatrefractorybiodegradableorganiccontaminantintherefractorybiodegradablewastewatermoreefficientlyandrapidly.Keywords:anaerobicreactor;granularsludge;effectfactor;predominantbacteria291: