1印染废水电化学脱色研究

,,(,130012):,pH,,,97%,:;;;:TS199:B:1000-4017(2004)14-0027-03StudyondecolourizationofprintinganddyeingwastewaterbyelectrochemicalprocessLIRan,TANGShu2juan,LIUGui2ying(ChangchunUniversityofTechnology,Changchun130012,China)Abstract:Decolourizationofdyesolutionandprintinganddyeingwastewaterbyelectrochemicalprocesswithself2preparedelectrodehasbeenstudied.Thestructureofthedeviceissimple,practicalandsmalloccupation.Thedecolourizationrateisabove97%aftertreat2ment.Keywords:dyeingandfinishing;wastewatertreatment;decolourization;electrochemicalreaction1,,:(1);(2),20m,;(3),,[1],,,,22.1,,,Fe2;,2;2:2004-01-16:(1955-),,,,,,;,,,[2]:Fe-2eFe2+2H2O+2eH2+2OH-Fe2++2OH-Fe(OH)22OH--2eH2O+[O]Fe(OH)2,2,,Fe(OH)2,,,,,,2.2:DH1716;XEP2D;Cary500UV2VIS2NIRVARIAN(VARIAN)13000mL,1mm,72(2004No.14)112;22;32;42;52;62;72;822.32.3.1(),,,200mg/kg(ppm)6,,pH=9,2A,80r/min,5min,,2,,17mm22.3.2pHpH,2000mL200mg/kg6,3g,pH,33pH3,pH810,96%pH892.3.3,;,,,;pH,110mg/kg,2000mL200mg/kg4,pH=9,2A,3g,80r/min1min,4,4min,444,,,0.025g,97%,2.3.42000mL200mg/kg5,3g,0.025g,pH=9,2A,,5min,555,80r/min2.3.52000mL200mg/kg4,3g,pH=9,0.025g,80r/min,,5min,,(A)(%)(A)(%)1.7751.9901.8782.0971,,,90%,2A2.3.682(2004No.14)(),,,,,,,()H+,,2.4(),,,,,5min,Cary500UV2VIS2NIRVARI2AN(6),99%33.1,96%(99%),99%6(12;22)pH79,3.2,,3.3,3.4,:[1],.[M].:,1985.[2]JurgenManger,LinshengZhang,HermannHHahn.Liquid2solidseparationbyelectra2flotation:anattractivaalternationtodissolvedair2flotation.ChemicalWaterandWastewaterTreatment,1990,151-169.[3],.[J].,2000,26(10).92(2004No.14)