膜生物反应器运行条件的优化及膜污染的控制3

3MBR,,:;,,;,,,,MBR,[13],MBR,,MBR,:;,3(962909205203)1111(),11MBR415m3,310m3,815m3/h,(PAN),5,3,4m2,12m2,,,112:VtP1P2Qtbtf221121111(TMP=(P1+P2)/2),:,;,260d,MLSS115210g/L,,Vol127No14200141©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2:y=213103lnx-403144R2=0199642:TMP,TMP,,,,,m32,45kPa,111kWh/m3;110kPa,310kWh/m3,;,,,,,TMP6010kPa21112,,3,4:10d,,013017kWh/m3,,113m/s316m/s,19kPa77kPa,013kWh/m3310kWh/m334212,,:;;;21211MBR:,,,,,,(TMP)(19kPa),(3545L/(m2h))300550L/h4TMP42Vol127No142001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,4,10d,TMP19kPa32kPa,TMPTMP(),,100d,3545L/(m2h),,,21212,55,,,;,,,MBR,5f(t)=(Qf-Qb)/(tf+tb)tf[4],tf,tf=30min,tb=30s120d,,MBR,;21213(6),,,,,,,,120d,,6070L/(m2h)621214,,,120d,NaOH,773(1),,(2)MLSS3g/L,4m/s,2153kWh/m3Vol127No14200143©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(3),,,,(4),1,..,1995,16(5):79812BrindleK.Membranebioreactor-todayseffluenttreatmentpro2cessfortomorrow,UTAInternational,1997,23ManamJandSandersonE.Membranebioreactors.WaterTreat2ment:MembraneProcesses,MegawHill(Ed),19964..,1997,17(4):339444]:1000852871:[phone]:2000O10O13,,,0,,,,,,,,,,,,,6,1111,,192619mm,242010mm13919d,49,8511%79%,100%,,112,6km,,,,,,,,,1133142km2,44Vol127No142001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.WATER&WASTEWATERENGINEERINGVol127No14April2001OptimizationoftheOperationParametersonMBRandMembraneFoulingControlZhengXiangetal(41)Abstract:Inthispaper,optimizationofoperationparametersonmembranebioreactor(MBR)isinvestigatedandmembranefoulingcountermeasuresarediscussed.Theresultsshowthatthelow2pressureoperationcanreduceenergyconsumptionandretainhighflux;membranefoulingiscrucialfactorforenergyconsumption;constant2fluxoperationcanalleviatemembranefouling;backwashingiseffectivecountermeasuretoretainconstantflux.PilotPlantStudyonMovingBedBio2filmReactorTreatingIndustrialWastewaterLiFengetal(47)Abstract:Thepilotplantoperationofmovingbedbio2filmreactor(MBBR)issuccessfultotreatindustrialwaste2waterfromTaopuindustrialzone.ComparedwithSBR,MBBRismoreefficienttoremoveorganicmatterandtobuffertheorganicshockloading.Theresultofpilot2plantexperimentshowsthatCODcanberemovedmorethan75%byusingMBBRwhenHRTis6hto15h,andCODineffluentcansatisfythedischargedemand.ApplicationofAABCProcessinTextileWastewaterTreatmentLiuHong(50)Abstract:Anaerobicaerobicbio2carbon(AABC)processwasdevelopedtotreatprintinganddyeingwastewater15yearsago.Nowithasbeenappliedsuccessfullyintextile,printinganddyeingofcotton,silk,wool,syntheticfiberandgarmentindustries.Alsoithasbeenadoptedtotreatdomesticwastewater.Inthispaper,theapplicationofAABCpro2cessintextileandgarmentindustriesispresentedwithpracticalexamples.DesignandOperationofDetergentWastewaterLiangYanzhouetal(52)Abstract:TheanionsurfactantsLASindetergentwastewaterisbadlydegradableorganiccompounds,buritcanberemovedeffectivelyfromwaterbycoagulation2sedimentation,hydrolysis2acidificationandcontactoxidationprocess.Theeffluentofthisprocessisstableandquitegoodtomeettherequirementofdischargestandard.50%and98%ofLASareremovedincoagulation2sedimentationandcontactoxidationprocessrespectively.ButtheLASremovalinhydrolysis2acidificationunitisstilllow.BriefonDesignandApplicationofanIntegralTrenchforVariousPipelinesinResidentialQuarterHuangXintian(58)Abstract:Theintensivedispositionofvariouspipelinesinanintegralpipetrenchisbeneficialeconomicallyandtechnically,becausethisnotonlysolvestheproblemsinengineeringconflictandinterferenceofhorizontalandverticallayoutsofthepipelines,butalsocreatesafavorableconditionfortheoperationandmaintenanceofthepipeline.Onthebasisofapracticalexampleofalivingquarterwithhighriseresidentialbuildings,thedesignexperiencesofintegralpipetrencharepresentedinthispaper.WaterSystemDesignofWanBangCityGardenApartmentsZhanghongetal(70)Abstract:Somenewpracticesinindoorwatersystemdesignforresidentialbuildingsarepresentedinthispaper.Variousitemsareincludedsuchastheselectionofpipelinematerials,watersupplypatternsandlavatorydrainagepat2terns,theadoptionofreadingcachetbasedremotewatermeteranddesignoffirehydrantsystemfor9to122storyresi2dentialbuildings.StandardizationofUpward2flowAnaerobicSludgeBlanket(UASB)ReactorWangKaijunetal(85)Abstract:Inthispaper,thedevelopmentofanaerobictreatmentprocessesisanalyzed.Theauthorsthinkthatamongvariouskindsofanaerobicreactors,UASBreactor,whichisextensivelyused,willbethedevelopmentbothabroadandathome.DuringNineFive2YearProgramperiods,thekeyprojectforpromotionofUASBreactorwascon2ducted.ForrectangularconcreteUASBreactor,thestandardandseriatedesignswerepursuedwithaspecialtri2phaseseparator.ThetwokindsofnewmaterialforproductionofUASBreactorwereintroduced,whichareusedforthecircleUASBreactor.Thefull2scaleprojectapplicationindicatedthattheUASBreactormadewiththesenewmaterialsandtechniquesisfeasibleandprofitable.ANewCoolingTowerofSprayingVentilationHuGuolinetal(90)Abstract:Thedistinctiveworkingprincipleofanewcoolingtowerwithsprayingventilationiselaboratedandcom2parisontothemechanicalventilationbasedtowerismade