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:2000-05-22::(1962-),,,.1,1,1,2(1.,650032;2.,650093):,,,CODCr94%,BOD590%,,:;;;:X783:A:1001-6929(2001)02-0051-03TheTreatmentofHigh2SalinityOrganicWastewaterbyElectrocoagulationWANGHong1,ZHENGYi2xin1,QIANBiao1,NINGPing2(1.KunmingEnvironmentalScienceInstitute,Kunming650032,China;2.KunmingUniversityofScienceandTechnology,Kunming650093,China)Abstract:Theelectro2coagulationandfloatationmethodwasappliedforthetreatmentofhigh2salinityorganicwastewaterofproduc2ingsyntheticresinbythelac.ItwasfoundthatCODCrandBOD5removalrateswere94%and90%respectively.Inadditiontoitsobviouseffectivenessoftreatmentfororganiccompounds,theelectro-coagulationandfloatationmethodrequiresonlysimplefacili2ties,withhighresistancetoimpactandsimpleoperations,withoutadditionalchemicalagentsandeasytorealizemanagementmod2ernization.Keywords:high2salinityorganicwastewater;electrochemistry;coagulation;floatation,[13],Cl-12300mg/L,COD[4],COD,,CODCr[5],1,3,,,[4],,,,,[6],,[5],::Fe-2eFe2+Al-2eAl2+:2H+-2eH2,,,:2Cl--2eCl2Fe2+Al2+,OH-,:Fe(OH)3Al(OH)3(),:2Cl-+3H2OClO-+ClO2+3H2,142ResearchofEnvironmentalSciencesVol.14,No.2,2001©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[6]G=KIt=E/FIt:G,g;K(K=E/F),g/C;E,g/mol;I,A;t,s196500(C),It,(H2):GH2=It/96500=1.03610-5It(Cl2):GCl2=It/96500=1.65810-4It2211,,WYK-305,030V,05A(),11Fig.1Theflowchartofelectrocoagulationexperiment212,;,,;COD,721;COD()CODCr[5]3311,,1,,Fe3+,,,,,CODCr,(),Cl-,,CODCr,CODCr,,,21Table1Effectoftheelectrodematerialonelectrolysisremovalrate,,,,,,,1;2CODCr;3CODCr2-Fig.2Electrolysisresultsbyusingconstitutedelectrodeofgraphite2aluminium3123CODCr,3CODCr,/V:110;215;3203Fig.3Effectofelectrobathvoltageonremovalrate2514©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),BOD,TP,TN,(GB8978-1996)2Table2Wastewaterofproducingsyntheticresinbythelaceffectsonelectro2coagulationandfloatationmethodmg/LpHSSCODCrBOD5TPTN5.506702458355.807.7837.591607.08132.0732.618.360(%)10094.6290.8310077.76100:-,10V,12h,(:9167V,1215A/m2);CODCr;4a1,,CODCr,,BOD,TPTN,,,;,,,b.:,;,,;,,,:[1].[J].,1990,18(2):3442.[2]ShengHLin.Salinewastewatertreatmentbyelectrochemicalmethod[J].WaterRes,1998,32(4):10591066.[3].COD[J].,1996,24(6):3233.[4].()[M].:,1980.160.[5].[J].,1999,12(4):3032.(50)e.-,,,1m31:[1],,,.[J]1,1997,18(3):8385.[2],,.-[J].,2000,20(2)173175.[3],,.-[J].,1999,21(4):2629.[4].-[M].:,1991.231236.[5],,,.--[J].,1996,12(2):46.[6].-[J].,1998,(1):38.[7].[M].:,1989.456459.352,:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.