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《Environmental Science & Technology》 2008-01
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Kinetics Analysis of Reactive Black KN-B Wastewater Treatment by Electrocoagulation with a Sacrificial Iron Anode

LIANG Ji-yan1,2,YANG Yun-zhe1,2,HU Xiao-min1(1.School of Resource Environment and Civil Engineering,Northeast University,Shenyang 110004,China; 2.School of Science,Shenyang University of Technology,Shenyang 110024,China)  
Decolorization kinetics and mechanism was studied on treatment of reactive black KN-B simulated wastewater by electrocoagulation(EC) with a sacrificial iron anode.The influence of current density,initial pH,species and concentration of electrolyte,initial concentration of dye,water temperature on the decolorization process and reaction constant was investigated.Results showed that the dye removal was in accordance with the first order reaction.Current density,initial concentration of dye,initial pH and species of electrolyte had the obvious effect on decolorization reaction constant,while temperature and concentration of electrolyte had little effect.Electrocoagulation and reduction of dye may cooperate in the decolorization process.
【Fund】: 辽宁省沈阳市科技攻关项目(060206)
【CateGory Index】: X703.1
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