搜索
2008,28(10)883~887ChinaEnvironmentalScienceTNT1,1*,1,2,2,2(1.,,1008712.,111002)TNT.GCMSTNT.,TNT1,442;422,41,4.FPUFS.,0~1.6mg/LCOD50~90mg/L,TNT.TNTGCMSX703.1A10006923(2008)10088305TNTredwatertreatmentwithvacuumdistillationcouplinginimmobilizedmicroorganismprocess.WANGZhong-you1,YEZheng-fang1*,WANGCheng-yun1,MOUJing-hai2,JIAOHong-chun2,SHENZhong2(1.TheKeyLaboratoryofWaterandSedimentScience,MinistryofEducation,DepartmentofEnvironmentalEngineering,PekingUniversity,Beijing100871,China2.QingyangChemicalIndustryCorporation,Liaoyang111002,China).ChinaEnvironmentalScience,2008,28(10)883~887AbstractTNTredwaterwastreatedbyvacuumdistillationcouplinginimmobilizedmicroorganism.OrganiccomponentsofTNTredwateranddistillatewereanalyzedbygaschromatography-massspectrometry(GC-MS).ThemainorganiccomponentsofTNTredwaterwere1,4-dinitrobenzen,4-methylphenol,2-methylphenolandsoon.Thedistillatewascomposedof4-methylphenol,phenol,2-methylphenol,2,4-dinitrotoluene,1,4-dinitrobenzenandsomeotherorganiccompounds.Thedistillatewastreatedbycombinedprocessofimmobilizedmicroorganism-biologicalfilter,whichusedFPUFScarrierasfillings.Thenitro-compoundsandCODintreateddistillatewere0~1.6mg/Land50mg/L~90mg/L,respectively,whichmetwastewaterdischargestandardforTNT.KeywordsTNTredwatervacuumdistillationimmobilizedmicroorganismGC-MSanalysis(TNT).,,,,[12].,TNT[37][811],.TNT.TNT60~80,,,.83%,TNT,.TNTCOD69000mg/L,COD200~500mg/L.,FPUFS().11.1TNT.,COD69000mg/L,pH8.3.FPUFS[1214],BP900BIOSYSTEMS2008313TNT*,,yezhengfang@iee.pku.edu.cn88428CO.USA.(),(),(),(),(),().1.21,(,)(),.TNT,,,.48h.TNT1Fig.1Schematicdiagramofvacuumdistillation1.3TNT1000mL,,15r/min.60,70,80,90,,.70,,pH6.8~7.2,,.2:1,15d;2,55d.,,,,,2d3d,,3d,,.,COD50%,70%,,2,.1.4CODHACH,3,2.5mL3.5mL1.5mL,COD2h,.[15].GCMS,,,1mL.GCMSHewlettPackardGC6890MSD5973N,,37.1kPa,1µL,240,403min,3/min2803min.22.1TNT300mLTNT,80.249mL.,,.TNT83%.2.2TNTGCMS,TNT30,213.1,4,51.5%.4232,4,11%8.5%5.5%4%.10TNT88515202530354045505560650246810121416(×104)(min)123456789101112132TNTGCMSFig.2OrganiccomponentsanalysisofTNTredwaterbyGCMS1.;2.2;3.4;4.3;5.2;6.4;7.14;8.2,6;9.1,4;10.2,4;11.;12.23,5;13.2,2[6(1,1)]42.360,70,80,90GCMS,3.3,421,4.2,TNT.1,4299,;2,191,[16],2.2.4CODCOD,COD4.,TNT,,.4,CODTNT69000mg/L200~500mg/L,COD,.COD,.1.;2.2;3.4;4.3,5;5.3;6.2,6;7.1,4;8.2,415202530354045505560650246810121416(×105)(min)1234568(a)6071.;2.2;3.4;4.3;5.3,5;6.3;7.2,6;8.1,4;9.2,415202530354045505560650246810121416(×105)(min)123456789(b)701.;2.2;3.4;4.2,4;5.3;6.2,6;7.1,4;8.2,415202530354045505560650246810121416(×105)(min)12345678(c)801.;2.2;3.4;4.2,4;5.3;6.2,67.1,4;8.2,415202530354045505560650246810121416(×105)(min)12345678(d)903GCMSFig.3GCMSdiagramfororganiccomponentsanalysisofdistillateatdifferenttemperatures88628556065707580859095100200250300350400450500COD(mg/L)()4CODFig.4CODofdistillatesatdifferenttemperaturesTNT,,,,,,,.2.5.24h,16h,8h.pH6.8~7.2,C:N:P=200:5:1.,COD(5).5(a),.171.9mg/L,87.1mg/L,129mg/L;1.6mg/L,,0,0.5mg/L.5(b),COD,COD.48d,COD,COD(112mg/L),COD50~90mg/L,,.,0~1.6mg/LCOD50~90mg/L,(GB14470.12002)[17]5mg/L,COD100mg/L,.010203040506004080120160200(mg/L)(d)(a)01020304050600100200300400500600700COD(mg/L)(d)(b)COD5CODFig.5Removalofnitro-compoundsandCODindistillatebybiologicalfilter2.6TNT.[18],[19],.TNT,,[2021],t68kg,,300/t..TNT60~80,80,TNT.,,,,.,TNT60/t.33.170,TNT10TNT88783%.3.2TNT1,442312,4,51.5%11%8.5%5.5%4%.3.3COD,TNT,,.3.4,0~1.6mg/LCOD50~90mg/L,TNT.60/t.[1]DianneJ,LuningPrak.Solubilizationofnitrotoluenesinmicellarnonionicsurfssctsntsolutions[J].Chemosphere,2007,68(10):19611967.[2]JainMR,ZinjardeSS,DeobagkarDD,etal.2,4,6-TtrinitrotoluenetransformationbyatropicalmarineyeastYarrowialipolyticaNCIM3589[J].MarinePollututionBulletin,2004,49(9):783788.[3]RieflerR.Guy,SMETSBarthF.Enzymaticreductionof2,4,6-trinitrotolueneandrelatednitroarens:kineticslinkedtoone–electronredoxpotentials[J].EnvironmentalScienceandTechnology,2000,34(18):39003906.[4]HaoOliverJ,PhullKotuK,ChenJinM.FactorsaffectingwetairofTNTredwater:ratestudies[J].JournalofHazardousMaterials,1993,34(1):5168.[5]MaloneyStephenW,EngbertEdwardG,SuidanMakramT,etal.Anaerobicfluidized-bedtreatmentofpropellantwastewater[J].WaterEnvironmentResearch,1998,72(1):5259.[6]MaloneyStephenW,AdrianNealR,HickeyRobertF,etal.AnaerobictreatmentofpinkwaterinafluidizedbedreactorcontainingGAC[J].JournalofHazardousMaterials,2002,92(1):7788.[7]VasilyevaGK,KreslavskiVD,SheaPJ.CatalyticoxidationofTNTbyactivatedcarbon[J].Chemosphere,2002,47(3):311317.[8]PaafatAlnaizy,AydinAkgerman.Oxidativetreatmentofhighexplosivescontaminatedwastewater[J].WaterResearch,1999,33(9):20212030.[9]AnkeSchmidt,WernerButte.Photocatalyticdegradationofreductionproductsof2,4,6-trinitrotoluene(TNT)[J].Chemosphere,1999,38(6):12931298.[10]SchmellingDanielC,GrayKimberlyA.Photocatalytictransformationandmineralizationof2,4,6-trinitrotoluene(TNT)inTiO2slurries[J].WaterResearch,1995,29(12):26512661.[11]YangXin,ZhaoXueheng,HwangHuey-Min.Phototrans-formationof2,4,6-trinitrotoluene:Sensitizedbyriboflavinunderdifferentirradiationspectralrange[J].JournalofHazardousMateria