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1998,18(6):557560ChinaEnvironmentalScience(,,210093),,,10V0.1A1.5h,CODCr87.5%90%,99%100%,Treatmentofdyestuffswastewaterbyelectrolysismethodofcomplexcatalysis.YangLiuyan,XuXiang,ZhuShuiyuan,MaWenyi.(StateKeyLaboratoryofPollutionControlandResourceReuse,DepartmentofEnvironmentalSci2enceandEngineering,NanjingUniversity,Nanjing210093).ChinaEnvironmentalScience.1998,18(6):557560AbstractTreatmentofdyestuffswastewaterbyelectrolysismethodofcomplexcatalysiswasresearched,andthetechnologi2calparametersweregot.Theresultsshowthatitispracticabletotreatdyestuffswastewaterbyelectrolysismethodofcomplexcatalysis.Whentheelectrolysisvoltagewas10V,electriccurrentwas0.1Aandelectrolysistimewas1.5h,theremovalratesofwastewaterCODandchrominancewere87.5%90%and99%100%respectively.Theoperationwaseasy.Theenergyconsumedwaslow.Itwasanewmethodfortreatmentofdyestuffswastewater.Keywords:complexcatalystelectrolysisdyestuffswastewater,720t,16,,,,,,11.1COD4500mg/L,pH6.5,20001.2CODCr:;:;pH:pHS21pH1.3,8122,2:COD1200mg/L,pH8.5,2502.12.1.1COD,50mL51015V,1h,:1998203209COD(1),10V,1CODFig.1TheinfluenceofCODandchrominancebydifferentelectrolysisvoltage2.1.2COD10V,0.5h,COD(2),1.5h,2CODFig.2TheinfluenceofCODandchrominancebydifferentelectrolysistime2.1.3CODFe(OH)350mL0.070.140.210.28g,pH8.5,10V,1.5h,COD(3),0.21g/50mL,2.1.4COD10V1.5h0.21g/50mL,10min1510min,4,pH8.510V1.5h0.21g/50mL3CODFig.3TheinfluenceofCODandchrominancebyFe(OH)34CODFig.4TheinfluenceofCODandchrominancebystir2.250mL2g(,),10V0.1A,0.5hCOD2g0.21g,,5,,,,COD(GB897821996),(1)1,50mLpH8.510V0.1A1.5h2g0.21g855181Table1Theresultsofwastewatertreatmentbyelectrolysiswithdifferentcatalyst+COD1200120012001200COD39030223615067.574.880.387.5:CODmg/L%5CODFig.5TheinfluenceofCODindifferentcatalystvolume10V0.1A1.5hpH8.52g0.21g,100250mL,100250mL6,1.5h,COD2COD6Fig.6Theresultsofelectrolysisindifferentwastewater2Table2Theresultsofelectrolysisofcomplexcatalystindifferentwastewatervolume(mL)50100250COD(mg/L)120012001200COD(mg/L)150120176(%)87.590.085.333.12,,79,,,,,COD,,,,COD3.2,;Cl-OH-Cl2ClO-OHO,8,Fe2+,Fe2+,,,3.3,O2Cl2,,,3.4,,,,,3.5,,9556:3.6(),,,44.1,COD120150mg/L,87.5%90%,99%100%4.2,4.3COD,,OH,Fenton24.41,,..,1993,11(6):10132..,1994,(1):19203,,..,1994,16(1):18214,,..,1992,10(6):155,,..,1992,10(5):156,..,1991,9(1):147,..,1997,16(5):24278,..,1996,11(4):30349,,..,1996,15(7):3032,1963515,3(1),15Arlington(NSF),,,JimCollins,(),,(USGS)BruceBury,15,()Brucebabbit,Environ.Sci&Technol.,August1,353A(1998)06518