动态膜生物反应器中动态膜的作用和结构研究张建

,,,(,　250100):,.,8cm,100min,.,COD、78.4%、95.0%、40.0%,COD、19.0%、8.5%、6.0%.,.,5,.,、、.:;;:X703　:A　:0250-3301(2007)01-0147-05:2005-11-30;:2006-01-25:(2004BS08009):(1976～),,,.StructureandFunctionofDynamicMembraneintheDynamicMembraneBio-ReactorZHANGJian,QIUXian-feng,GAOBao-yu,XUChun-hua(SchoolofEnvironmentalScienceandTechnology,ShandongUniversity,Ji'nan250100,China)Abstract:Pollutantsremovalperformanceindynamicmembranebio-reactor(DMBR)treatingsewagewastewaterwasstudied.Theresultsshowedthatdynamicmembranecouldbeformedin100minutesattheheaddropof8cm.TheaverageCOD,NH3-Nandtotalnitrogenremovalratesofthereactorwere78.4%,95.0%and40.0%respectively.TheaverageCOD,NH3-Nandtotalnitrogenremovalratesofthedynamicmembraneare19.0%,8.5%and6.0%respectively.Pollutantsweremainlyremovedbymixedactivatedsludgeinthedynamicmembranebio-reactoranddynamicmembranecouldremovepartialpollutantsbybiodegradationofmicroorganismattachedonthemembrane.Thespecificoxygenconsumptionrateofmixedsludgewas5timesmorethanthatofdynamicmembrane.SEMpicturesshowedthatdynamicmembranewasmainlycomposedoffilamentousbacteria,coccus,bacillusandtheirexcretion.Keywords:dynamicmembrane;dynamicmembranebio-reactor;wastewatertreatment　　(MBR),,[1].、、、,[2,3].,MBR[4].[5,6]0.1mm,,,,.Yoshiaki[7]0.1mm,.[8],.Seo[9].,,.,,.,,.1　1.1　1.56L,,2.,.PVC、(,60gm2)28120071　　　　　　ENVIRONMENTALSCIENCEVol.28,No.1Jan.,2007DOI:10.13227/j.hjkx.2007.01.026,.5,0.125m2.Δh.,1.1　Fig.1　SchematicdiagramofDMBRequipment1　mg·L-1Table1　Concentrationofpollutantsinwastewatermg·L-1CODpH90～15727～4940～626.8～7.8　　.1.5gL,2.0～2.5mgL,10d,5gL,.,6h,15L(m2·h)..1.2　,、COD、,,:=c0-c2c0×100%=c1-c2c0×100%,c0;c1;c2.COD,MLSS,[11],DOMC-7W.[12].,.①:.②-:2.5%(0.1mgL,pH7.2～7.4)12～24h,0.1mgL2h(2～3);1%1.5h,(2h).③:,50%、70%、80%、90%,1(30min),100%2(30min).④.⑤CO2IB-5.(HitachiS-570).2　2.1　5gL,8cm,15L(m2·h),SSCOD2.2　SSCODFig.2　ChangesofeffluentSSandCOD2,,SS590mgL,COD48.6mgL.20min,,25min,.100min,COD25.6mgL,SS,(GBT18920-2002).,SS,,,.2.2　2.2.1　COD,COD3.3,COD90～157mgL,113mgL,COD24.4mgL.COD78.4%,COD148　　　　　　283　CODFig.3　CODremovalperformance19.0%.,,.2.2.2　,4.4　Fig.4　Ammoniaremovalperformance4,27～49mgL,15d,1～1.5mgL,45.0%90.0%,95.0%.,,.,8.5%.,,.2.2.3　,5.5,40～62mgL,18d,35～55mgL,40%.5　Fig.5　Totalnitrogenremovalperformance,、,,.,6.0%.2.0～2.5mgL,,.2.3　,,6.6,.2,(O2)6.8mg(g·h)1.2mg(g·h).5,,.,,,、　　　　6　Fig.6　Oxygenconsumptionrateofmixedliquidanddynamicmembrane1491:..2.4　,7.7　Fig.7　SEMpicturesofnon-wovenfabrics　　,.8.8,.8000,,.,.,.8　Fig.8　SEMpicturesofdynamicmembrane3　(1)8cm,100min,.(2)COD、78.4%、95.0%、40.0%,COD、19.0%、8.5%、6.0%.150　　　　　　28,.(3)5,,.(4)、、.:[1]YamamotoK,HiasaM,MhamoodT,etal.Directsolid-liquidseparationusinghollowfibermembraneinaactivatedsludgetank[J].Wat.Sci.Tech.,1989,21:43～54.[2].MBR[A].:[C],:,2005.41～50.[3],,,.-[J].,2000,21(5):47～50.[4],,.　　　　[J].,1999,12:571～573.[5],.-[J].,2002,23(6):51～56.[6]FanB,HuangX.CharacteristicsofaSelf-FormingDynamicMembraneCoupledwithaBioreactorforMunicipalWastewaterTreatment[J].Environ.Sci.Tech.,2002,36:5245～5251.[7]YoshiakiK,JungYJ,IchinariT,etal.Wastewatertreatmentperformanceofafiltrationbio-reactorequippedwithameshasfiltermaterial[J].WaterRes.,2000,34(17):4143～4150.[8],,.[J].,2005,24(1):14～17.[9]SeoGT,MoonBH,LeeTS,etal.Non-wovenfabricfilterseparationactivatedsludgereactorfordomesticwastewaterreclamation[J].Wat.Sci.Tech.,2003,47(1):133～138.[10].[M].().:,2002.[11],,.[M].:,2000.106～108.2007《》《》1976,,,.《》,“,,,”,,,,,.《》,,,MEDLINE;EI;CA;AJ;BP;IM;JICST;ZR;(CSA):EnvironmentalSciences;(CSA):PollutionAbstracts;(CAS):LifeSciencesAbstracts;(CSTPCD);();(CNKI);();(CSCD);.,,.《》200716,40,12.:CN11-1895X　:ISSN0250-3301:M0205　:2-821:18(2871)　:100085:010-62941102;:010-62849343;E-mail:[e-mail];: