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Electrochemically treatment of textile wet processing effluents

Daquan Zhang

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Abstract

Treatment of dyeing and finishing effluents was carried out with electrochemical method.The optimum treatment was determined as follows: taking Fe-PbO2 / stainless steel-activated carbon as three-dimensional electrodes system,pH value of effluents 3,working electrodes space 6 cm,aluminium sulfate solution 0.15 mol/L,current density 28 mA/cm2,activated carbon 40 g,and electrolysis time 10 minutes.BOD5 /COD ratio of dyeing and finishing effluents was increased from 0.126 of origin to 1.71 after treatment with obviously improved biodegradability.

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What this paper is about

Treatment of dyeing and finishing effluents was carried out with electrochemical method.The optimum treatment was determined as follows: taking Fe-PbO2 / stainless steel-activated carbon as three-dimensional electrodes system,pH value of effluents 3,working electrodes space 6 cm,aluminium sulfate solution 0.15 mol/L,current density 28 mA/cm2,activated carbon 40 g,and electrolysis time 10 minutes.BOD5 /COD ratio of dyeing and finishing effluents was increased from 0.126 of origin to 1.71 after treatment with obviously improved biodegradability.

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Available abstract

Treatment of dyeing and finishing effluents was carried out with electrochemical method.The optimum treatment was determined as follows: taking Fe-PbO2 / stainless steel-activated carbon as three-dimensional electrodes system,pH value of effluents 3,working electrodes space 6 cm,aluminium sulfate solution 0.15 mol/L,current density 28 mA/cm2,activated carbon 40 g,and electrolysis time 10 minutes.BOD5 /COD ratio of dyeing and finishing effluents was increased from 0.126 of origin to 1.71 after treatment with obviously improved biodegradability.

Key concepts: Effluent, Electrolysis, Dyeing, Biodegradation, Materials science, Electrode, Electrochemistry, Pulp and paper industry

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