错流式膜生物反应器处理生活污水及其生物学研究

186199711ENVIRONMENTALSCIENCEVol.18,No.6Nov.,1997-*邢传宏　钱　易　孟耀斌(,100084)TardieuEric(,F78230)-(CrossflowMembraneBioReactorCMBR).:HRT5h,SRT15d,4m/s,75150L/(m2h),CMBR:COD97%NH3-N97%98%;SSE.coli100%,CJ25.1-89.,,.CMBR,Yg0.65,Kd0.1d-1.,,,,.*:1997-01-03-(CrossflowMem-braneBioReactorCMBR).HRTSRT[1].,CMBR[2].90,CMBR.CMBR.11.1,[4].KERASEPX3,3105,()4-5m3/(m2hMPa).1.2,1,,,CMBR.,CODSS;,CODSS.1.31(03-07-03-21)2(03-22-04-16)15075L/(m2h),21COD/mgL-1SS/mgL-1NH3-N/mgL-1E.coli/L-1/pH/11876119488203010510650807.58.51525:HRT5h,SRT30d,4m/s.,,(6).2,.1h,.2.1CODSSVSSCMBR.COD1,COD12mg/L.03-13,,;COD,COD,22mg/L,.,CMBRCOD12mg/L.,NH3-N(1.4mg/L).SRT,.1CODCMBR,.SSVSS2.,VSS/SS,70%.1.5SRT,VSS/SS63%,,CMBR.VSS(SS-VSS),.2SSVSS2.2CMBRCMBR,.CMBR.(2):SSE.coli,COD12mg/L(COD22mg/L),NH3-N1.4mg/L,1.5,pH,,CMBRCJ25.1-89.,CODNH3-N97%97%98%;SSE.coli100%,.,CMBRCODNH3-NSS,,.2CMBRCJ25.1-89CMBR()/%SS/mgL-11050100COD/mgL-1505012(22)97NH3-N/mgL-120101.4(1.4)97/1051.5(1.5)98E.coli/L-1330100pH6.9-9.06.99.07.1-8.524183CMBR3.1,.CMBR,(4m/s),,CMBR,3.,CMBR,,,,.,,(),;CMBR,,.3CMBR(100)3.2,,CMBR.CMBR4.R0RgVCODVSS.:VdXdt=QiXi+VRg-QwXw-QeXe(1)Vdcdt=Qici+VR0-Qwcw-Qece(2)Xi=0,Xe=0,Xw=X,cw=csup(3),dXdt=0,dcdt=0(4),Rg=-YR0,VQe=HRT,VQw=SRT,Qi=Qw+Qe(5)(1)-(5):X=YSRTci-ceHRT+ci-csupSRT(6),XVSS,mg/L;Y();cicecsupCOD,mg/L;SRT,h;HRT,h.QiXiciQdXdtXcdcdtQwXwcwQeXece4CMBR,CMBRXHRTSRTYci-ce,ci-csup,.,CMBR,,Xc-ceci-csup.3.3YgKd.[3]Yg(20,CODVSS)0.4,Kd=0.06d-1.Arrhenius30,Yg=0.63,Kd=0.09d-1.CMBR.(6)Y3,0.16-0.38.YYg,Y=Yg1+KdSRT(7),Y-1=Y-1gKdSRT+Y-1g(8)2563CMBRY(30)VSS/mgL-1SRT/dHRT/hci-ce/mgL-1ci-csup/mgL-1YY-12300552442150.382.62000552132010.382.71800157.51241180.303.460181553172720.263.8109003054413840.175.9104003054473520.166.2(8)3,SRT,Y-1,Excel5.05,R2=0.969.:Y-1g=1.8005,Y-1gKd=0.1379(9)CMBR(30)Yg=0.56,Kd=0.08d-1,,CMBR(6),.YgKd,(6)(7):X=0.56SRT1+0.08SRT[ci-ceHRT+ci-csupSRT](10)5YgKdSRTHRT,CMBRX,CMBR,.4(1)CMBR,,CJ25.1-89,.(2)HRT5h,SRT30d,75150L/(m2h),4m/s,CMBRCODNH3-N97%97%98%;SSE.coli100%,.(3)1.5SRT,VSS/SS63%,SS,CMBR..(4),CMBR,,,,.().(5)Y0.16-0.38.(30)Yg=0.56,Kd=0.08d-1,.1BrindleK,StephensonT.Biotech.andBioeng.,1996,49:6012MollerEBetal..Wat.Res.,1995,29(4):11793..,:,1993:684,.-.,1997,18(5):19222618Zhangzhou.Keywords:SO2,washout,stableisotope,mod-el,MingnanArea,summer.StudyofOrganicHydroperoxidesandH2O2YieldsinIsopreneandO3Reactions.LiShuangetal.(TheStateKeyLabofEnviron.SimulationandPollutionControl,CenterofEnviron.Sci.,PekingUniv.,Beijing100871):Chin.J.Environ.Sci.,18(6),1997,pp.1618TheatmosphericreactionofisporenewithO3wassimulatedunderthedarkandroomtem-peratureinthe28.5LquartzreactorcoupledwithaLongPathFourierTransformInfraredSpectrometer,whiletheDualChannelH2O2AnalyticalSystemwasusedtodeterminetheproductionoforganichydroperoxidesandH2O2.Yieldsmeasuredrespectivelyinthethreerepeatedexperimentsare3.8%,4.3%and3.9%fororganichydroperoxideswiththeaverageof4.0%,and2.2%,1.6%and1.8%forH2O2withtheaverageof1.9%.Thefor-mationmechanismsoforganichydroperoxidesandH2O2werebrieflydiscussed.Keywords:isoprene,O3,DualChannelH2O2AnalyticalSystem,organichydroperoxides,H2O2.TheAtmosphericDiffusionParameterinVari-ousTerraininComparisonwithEachOtherinShandongProvince.MaoHengqing(NationalMeteorologicalCenter,Beijing100081)Chin.J.Environ.Sci.,18(6),1997,pp.1922AnalysingtheexperimentalresultinShan-dongprovince,itisfoundthattheatmosphericdiffusionparametersvaryobviouslywithter-rain.Thediffusionparametersareaboutasbigasthatofnationalstandardintheplainandhalftooneclassbiggerthanitinthemountainareas.Inindustrialparkthecross-winddiffu-sionparameterisaboutthesameaswhiletheverticaloneisonemoreclassbiggerthanthatofnationalstandard.Incoastalareasthecross-windparameterisbiggerslightlyandtheverticaloneissmallerslightlythanthatofnationalstandard.Thepollutantdiffusionden-sityandtheairdiffusiophoreticvelocityarere-lateddirectlytothediffusionparameter.Keywords:atmosphericdiffusionparameter,nationalstandard,airpollutant,cross-winddiffusionparameter,verticaldiffusionparame-ter.Cross-flowMembraneBioreactorforDomesticWastewaterTreatmentandItsBiologicalBe-havior.XingChuanhong,QianYi(StateKeyLabofEnviron.SimulationandPollutionCon-trol,Dept.ofEnviron.Eng.,TsinghuaUni.,Beijing,100084),Chin.J.Environ.Sci.,18(6),1997,pp.2326ItisproventhatCrossflowMembraneBioRe-actor(CMBR)appliedtodomesticwastewatertreatment,underconditionsofhydraulicreten-tiontime5h,sludgeretentiontime15d,mem-branesurfacevelocity4m/sandmembraneflux75,150L/(m2h),istechnicallyfeasibleandreliableduringsixweeks.RemovalrateofCOD,NH3-N,andturbidityofthesystemareequaltoorhigherthan97%,97%and98%,SSandE.coli.,100%.TheeffluentqualityisalwaysbetterthanthequalitystandardforreuseissuedbytheMinistryofConstructioninChina.AnimportantformulatocalculatethesludgeconcentrationforCMBRatsteadystateissuccessfullyderivedfrommaterialbal-anceequations.TheapparentyieldfactorYgisapproximately0.65mgVSS/mgCODandthedecayconstant,0.1d-1.Furthermore,thebio-faciesanalysisofCMBRisincluded.Keywords:crossflow,membrane,bioreactor,biologicalbehavior,domesticwastewater.PhotochemicalTreatmentofSelected