NaCl盐度对活性污泥处理系统的影响

NaCl*崔有为王淑莹(,100022)宋学起(,150090)王海东(,100022)祝贵兵(,150090)彭永臻(,100022)海水冲厕是一项具有重大节水意义的工程针对所产生的含盐生活污水的处理,试验研究NaCl盐度对活性污泥处理系统的综合影响分别研究不同盐度驯化下活性污泥的生长有机物降解和去除情况SBR反应系统内溶解氧随时间的变化以及污泥沉降性等试验结果表明,NaCl盐度影响了微生物的生长,降低有机物降解速率和去除率,但是却增强了细胞的溶胞作用和微生物的呼吸作用海水冲厕活性污泥含盐污水盐度*(2001BA610A-09)(8002005)1,[1],HamodaAL-Atar[2];LawtonEggert[3];MillsWheatland[4];Steward[5],2,NaCl05101520253035g/L3SBR,3,3CODCr,CODCr740mg/L()320mg/L()150mg/L()NaCl()3,(20?2)e3311盐度对活性污泥生长的影响1,,,,,,,,,,,;,,,,19200422211312盐度对系统溶解氧的影响2SBRDODO,,,,DO2,,DO,2,,,LudzackNoron[6],,,,,,2SBRDO313盐度对有机物降解的影响3~6,35g/L,,,70%,,SBR,,,100%,,SBR,,,,,;,,,,,,,;,,,,,3,,,,,,,;,,2020042221456,,66,CODCr,CODCr3h,2h,CODCr,,,,,,3,5h,,314盐度对ESS的影响ESS,7ESS:(1),(2),,(3),,ESS7ESS315盐度对污泥指数(SVI)的影响,SVI(8),,,,,8SVI4(1),:;;(2)(3),,,(35)2120042221(3)60%NO-3-N15min,,PO3-4,CODCr([50mgPL),[6],NO-3-N,(4)PO3-4,,:NO-3PO3-4;PO3-4,SS[10mgPL,TP[015mgPL5(1)/0AAA-SBR,,NO-3-N(2)/0,,,(3),,1JensP.K.J.andMogensH.Biologicalphosphorusuptakeunderanoxicndaerobicconditions.Wat.Res.,1993.27(4):617~624.2Kuba,T.,VanLoosdrcht,M.C.M.andHeijnen,J.J.PhosphorusandnitrogenremovalwithminimalCODCrrequirementbyintegrationofdenitrifyingde-phosphorusandnitrificationinatwo-sludgesystem.Wat.Res.,1996.30(7):1701~1710.3W.J.Ng,S.L.OngandJ.Y.Hu,DenitrifyingphosphornsremovalbyanaerobicPanoxicsequencingbatchreactor.Wat.Sci.Tech.,2001.43(3):139~146.4..:,1998.5MogensH.,PoulH.,etal,WastewaterTreatmentBiologicalandChemicalProcesses(SecondEdition),1997.6,.-COD.,1997.23(6):12~15.400045(B)[phone](0)[e-mail]400045(B)(023)[e-mail]2003-04-25(21)(4),(5),1...1998.24(3):64~65.2HamodaMFandA-lAtlar.(1995)EffectonHighSodiumChlorideConcentrationsonActivatedSldugeTreatment.Wat.Sci.Tech.,31(9):61~72.3G.W.LawtonandE.V.Eggert,(1966)SomeEffectofHighSodiumChlorideConcentrationsonTricklingFilterSlimes.SewageInd.Wastes,29.121~128.4E.V.MillsandA.B.Wheatland,(1962).EffectofSalineSewageonthePerformanceofPercolatingFilters.WaterWasteTreatment,9.170~172.5J.Stewart,H.F.Ludwing,andW.H.Kearns,(1962)EfectofVaryingSalinityonExtendedAerationProcess.J.WaterPollutionControlFederation,34,1131~1177.6LudzackF.J.andNoranD.K.(1965)ToleranceofHighSalinitiesbyConventionalWastewaterTreatmentProcess.J.Wat.Pollut.Cont.Fed.37,1404~1416.100022(010)[e-mail]2003-03-203520042221RESEARCHDEVELOPMENTANDTENDSOFHIGHEFFICIENTANAEROBICREACTORSHeLianshengetal(7),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractInthispaper,thedevelopmentofefficientanaerobicbioreactorsisreviewed.Principles,characteristicsandapplicationresearchsituationsofupflowanaerobicsludgeblanket(UASB)reactor,expandedgranularsludgeblanket(EGSB)reactorandinternalcyclicreactor(IC)areintroduced.Throughanalysis,thefutureresearchemphasisinChinashouldbeputonthethirdgenerationanaerobicreactors.Keywordsefficientanaerobicbioreactor,UASB,EGSBandICSTUDYONDEGRADATIONOFDYESTUFFINTERMEDIATEWASTEWATERLiYingetal(11),AbstractAfterthepre-treatmentofelectrolysisandevaporationofalldyestuffintermediatewastewater,theremovalofCODCrcanbeincreasedbymorethan75%thanthewastewatertreatedonlybyevaporation,whichmakesthedosageofactivatedcarbonforfollaw-uptreatmentbedecreasedbynearly80%.Theoperationcostofallwastewaterisreducedgreatly.Keywordsdyestuffintermediate,electrolysisandpre-treatmentANEWMETHODOFTREATINGNi-WALLOYELECTROPLATINGORGANICWASTEWATERChenXuqunetal(14),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractInthispaper,anewmethodforthetreatmentofelectroplatingorganicwastewatercontainingN-iWalloyshasbeenappliedintheoxido-flocculationreactor(OFR)whichwasdevelopedourselves,andtheoriginaltechnologyoftreatingelectroplatingwastewaterwasreformedbydiffluentdisposal.Theresultofrunningthewastewatertreatmentprocessshowsthatthistreatmenttechnologyhassomeadvantages,suchaslowcapitalinvestmentandoperatingcosts,hightreatmentefficiency,stableoperation.Theeffluentqualitycanfullymeettheemissionstandard.KeywordsOFR,N-iWalloyelectroplatingorganicwastewaterandwastewatertreatmentDESIGNOFLEACHATETREATMENTSYSTEMFORSANITARYLANDFILLSunDongetal(16),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractThispaperintroducesseveralimportantanddifficultcountingparametersforthedesignofthedisposalsystemofleachateinalandfillaswellasdisposaltechniquesandresultsofleachatesofafewtypicallandfillsathomeandabroadandthenproposessomesuggestionsonthebasisofwhich.Keywordsdomesticrefuse,sanitarylandfill,disposalofleachate,parametercalculationandengineeringdesignEFFECTSOFNaClSALINITYONACTIVATEDSLUDGETREATMENTSYSTEMCuiYouweietal(19),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractThisstudywasinitiatedtotreatsalinesewageresultingfromuseofseawaterfortoiletsbySBRprocessandtodeterminetheNaClsalinityeffectsontheactivatedsludgetreatmentsystem.Experimentswereconductedundervarioussal-tloadingconditionstoinvestigatesuchastreatmentculture,organicmatterremoval,sludgesettlingcharacteristicsandtheruleofDOvaryingwithtime.Thestudyfoundthathighsalinityinhibitedthemicrobialgrowthanddecreaseorganicmatterdegradingvelocityandrem