2006•Journal of Tongji UniversityRequires access

Pretreatment of Dye Wastewater by Electrolysis Process

Gao Ting-yao

Abstract

Five kinds of dye wastewater with high concentration were pretreated by electrolysis process.The influence of such factors as electrolysis time,current,current density,pH,and distance of electrode plates,were studied.The results indicate that the decolorization rate is higher than 90%.Long electrolysis time,acidity and small electric current of anode are in favor of removal of color and ρ_(COD).The optimum distance of electrode plates is about 2 cm.

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Key concepts: Electrolysis, Anode, Wastewater, Electrode, Current density, Current (fluid), Electrolytic process, Pulp and paper industry