改性沸石对印染废水的脱色研究

:1001-4373(2003)04-0113-03X,,,,(,730070):(HDTMAB),,pH,,.,,90%,20.:;;;;:X791:A,1100200m3,80%90%.,,,.,,[1].,.,.()()()[2].,,.,,.,[35].,,.11.1,,,45,2.16.:45%35%1%6%5%5%,1.(HDTMAB,95%).1SiO2Al2O3FeOCO2FeSH2OCaOK2ONa2OMgOMnOP2O5/%7012.50.7522.30.0110.21.61.02.91.10.030.03UV27500();TG328A();PHS23C();().,1.,,X:2003-04-08:(29977015):(1976-),,,.22420038()JOURNALOFLANZHOURAILWAYUNIVERSITY(NaturalSciences)Vol.22No.4Aug.2003©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..N=NH3COCHNNaO3SN=NHONHCOCH3SO3Na11.2,:,,,5502h,[6];,0.420.83mm(2040),.30g,180mLHDTMAB,24h,25,150r/min.23.1.3250mL,25mL,,HClNaOHpH,,25(100r/min),,,:=[1-(A/Ao)]100%,Ao;A.22.1,100mg/L,25pH724h,2.2/g10mg-10.100.150.200.250.501.00/%53.4073.1681.4292.6884.1875.372,,0.25g,0.25g,.110(g/mg),,91%.2.225pH7,0.25g,10mg.3.,,,2h,68%;12h,95%.12h.3/h2468101224/%68.0972.1275.8788.2089.8195.1799.202.3pH,pH2,5,8,10,12,pH,2.,pH.,.pH810,,99%.,pH,.,,[7].2pH2.4pH8,(g)(mg)110,.,4%,,99%,20.,,.411()22©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.32.525,(pH8)(3).,45mg/g.(Fru2endlich)qec,,qe=kc1/n:qe,mg/g;k;n,n1;c,mg/g.,k=2.905,n=1.084,r=0.99,Fruendlich.31),HDTMAB,pH8,20.2)110,.3)pH810,12h,,95%.4)45mg/g,Fruendlich.:[1],.[M].:,1988.[2],,.[J].,2000,10(5):29-35.[3]LiZhaohui,RobertSBowman.CounterionEffectsontheSorptionofCationicSurfantantandChromateonNaturalClinoptilolite[J].Environ.Sci.Technol.,1997,31:2407-2412.[4]LeeJ,CrumJR,BoydSA.EnhancedRetentionofOrganicContaminantsbySoilsExchangedwithOrganicCations[J].Environ.Sci.Technol.,1989,23:1365-1372.[5]ZhuLizhong,SuYuhong,ShenXueyou.StudiesontheSyn2ergicSorptionanditsMechanismofAnion2cationOrganoben2tonites[J].ChinaEnvironmentalScience,2001,21(5):408-411.[6],,.[J].,2002,21(2):171-175.[7],,.[J].,1994,20(1):56-59.StudyonDecolirizationofDyeingWastewaterwithModifiedZeoltesWeiXiang,ZhuKun,WangHaitao,YangJiantao,MaJuan(SchoolofEnvironmentalScienceandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China)Abstract:Thezeolitemodifiedwiththecationicsurfactant2hexadecyltrimethylammonuiumbromide(HDTMAB)wasuti2lizedforthedecolorizationofdyingwasterwater.Themaininfluentialfactors,suchasquantityofmodifiedzeolitesadded,mixingandshakingtime,pHvaluesofthedyeingwastewaterwhichwereinvestigatedbeforetheoptimalconditionstosuffi2cientlyabsorbdyeswiththemodifiedzeolitesweresummarized.Theexperimentalresultsshowedthatthedecolorizationratesformodifiedzeolitestotreatdyeingwastewaterwereover90%whichwas20timeshigherthanthosefornaturalzeo2lites.Keywords:zeolite,modification;surfactant;dyeingwastewater;decolorization;sorption5114:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.