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,(南昌大学环境与化学工程学院,江西南昌 330029) :,,,90%,CODcr70%～80%,30.7mg/g.:;;:X791 :A :1006—5776(2000)03—0016—02StudiesontheTreatmentofPrintingandDyeingWastewaterbyUsingSepioliteGONGXiao-feng,CAOQun(EnvironmentalandChemicalEngineeringCollegeNanchangUniversityNanchangJiangxi330029)Abstract:Sepioliteisafibrousnaturalhydratedmagnesiumsilicatewithgoodadsorptiveproperty.Applicationofsepiolitetothetreatmentofprintinganddyeingwastew-aterwaspresentedinthispaper.Theresultsshowedthesepioliteadsorbentcanremovemorethan90percentofthecolourand70～80percentofCODcr,Theadsorptivecapacityreaches30.7mg/gKeywords:Sepiolite;Adsorption;Printinganddyeingwastewater,,.、、、、、.,、3,,,[1～4]..,.1 1.1 ,1:1 SiO2MgONaOHAl2O3Fe2o3K2O(%)58.9919.8712.225.782.450.28CaOTiO2P2O5MnO2Na2OFeO(%)0.240.120.080.040.040.004 ＊,[5],:(1962),,,,15.＊,、、.2:2 PHSS(mg/L)CODcr(mg/L)10.920124004091.2 1.2.1 100mL,,、、、CODcr、.1.2.2 :Q=V(C0-C)/W(1):Q—,mg/gV—,mLC0—CODcr,mg/LC—CODcr,mg/LW—,g2 2.1 、、.,CODcr,3:[6],,CODcr153 2000,,,:20～30g/L,80,1h.90%,CODcr70%～80%.3 /g//h11.0800.522.080～1201.033.01201.52.2 CODcr,,4:4 CODcr(mg/L)408.7183.168.740.0(mg/L)101.840.116.110.7(mg/g)30.714.35.262.93(%)75.178.176.673.3qC:lgq=1/nlgc+lgk(2) 1/n=1.03 k=0.28 r=0.9943 ,,.,,,30.7mg/g,(90%),CODcr70%～80%,,,,CODcr.,.4 :[1] ,,.[J].,1988,15(1):66～71.[2] ,,.[J].,1989,(1):193～195.[3] ,,.[J].,1993,21(2):139.[4] ,,.[J].,1994,35(4):180.[5] [M].:,1996.[6] .[M].:,1985.207～210.(收稿日期:2000-05-19)(上接第33页),,.,,,.,.,、[6].,,,.,、、,.3 、、.,,、,、,.,,、、、、,.199810,,,《》,.,.,,,,,.:[1] ,.[C].1996,168～172.[2] .[J].,1998,13(3):24.[3] .[M].:,1997.[4] .[J].,1998,13(1):46.[5] ,.[J].,1999,14(1):89.[6] .[J].,1999,(3):37～38.(收稿日期:2000-05-26)153 、: 17