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MBBRMBBR,SBR,HRT615h,MBBRCOD75%MBBR0,,75%SBR,4m3/d,80%COD800mg/L,200mg/L,,;SBR,,MBBR1MBBR(MovingBedBiofilmReac2tor,MBBR)80,,,(160450m2/m3),,,,MBBR,,,;,,(),,,,,,,,;,,2MBBR211:MBBR,,MBBR,4m3,pH,,1MBBRMBBR1,3m1.25m1.5m,4.2m3;4;,Vol127No14200147;,50%;,,,,50mm,350m2/m3212COD:;BOD:;DO:YSI;:10521321311MBBRCODMBBR,1035,:COD200800mg/L,BOD/COD0.4,SS50200mg/L,pH69,NH3-N2050mg/L,,pH119;COD,1400mg/L;,MBBR,HRT58h20004(COD),HRT15h3,HRT20h2,HRT17h2,HRT12hSBR:HRT16h,MLSS35g/L2MBBRCOD3SBRCOD2200047MBBRCOD,3SBRCOD,4COD4SBRMBBRCOD2,34,MBBRCOD75%,SBR60%;COD800mg/L,200mg/L,213121,COD800mg/L,(0.421.16kgCOD/(kgMLSSd)),COD75%,COD200mg/L,HRTCODCOD,CODCOD200300mg/L,,COD70%,DOMBBR48Vol127No1420011HRT/h/COD/mg/LCOD/mg/LNs/kgCOD/(kgMLSSd)/gMLSS/LDO/mg/LCOD/%2.141.893.057.81.071.205.818.70.141.087.02.20.140.567.21.21.161.1879.91228860173Ns/kgCOD/(kgMLSSd)/gMLSS/LDO/mg/LCOD/%0.822.740.748.40.422.545.523.20.101.718.63.70.081.549.02.80.422.1378.11511721158Ns/kgCOD/(kgMLSSd)/gMLSS/LDO/mg/LCOD/%1.052.622.755.31.060.907.319.30.140.358.11.00.270.268.21.40.931.0377.01720876202Ns/kgCOD/(kgMLSSd)/gMLSS/LDO/mg/LCOD/%0.722.531.651.40.940.906.324.00.267.000.140.567.32.20.631.0676.02021734176Ns/kgCOD/(kgMLSSd)/gMLSS/LDO/mg/LCOD/%0.491.843.526.90.372.145.124.00.271.076.08.60.100.566.81.70.361.4061.212322417162Ns/kgCOD/(kgMLSSd)/gMLSS/LDO/mg/LCOD/%0.841.373.364.60.120.997.66.70.908.40.647.90.320.9870.912333022365:3;33,,HRT3(1)MBBR,SBRMBBR75%,COD800mg/L,200mg/L;,COD;(2)MBBRSBR,COD;(3)MBBRHRT,,HRT615h,]:200092:(021)65985308191-3152806:2000O9O22ÓÓJWX,,,,,,,,,,!:27:214211::(0510)78055627807579:(0510)7881310:13806158562Vol127No14200149WATER&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.Thefull2scale