Treatment of Tannery Wastewater by Electrochemical Oxidation Process

Lin Lin Huang; Jun Feng Liu; Nan Zhang; Bin Sun; Yu Jie Feng

doi:10.4028/www.scientific.net/AMM.361-363.697

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 361-363Treatment of Tannery Wastewater by Electrochemical...

Treatment of Tannery Wastewater by Electrochemical Oxidation Process

Abstract:

Electrochemical oxidation process was adopted to treat the tannery wastewater effluent from a biological processing unit. The experiments were carried out in an electrochemical reactor using RuO₂\SnO₂coated on titanium as anode and stainless steel as cathode. The changes of Chemical Oxygen Demand (COD) reduction, Total Organic Carbon (TOC) removal and other relative parameters have been determined as a function of treatment time, applied current density and chloride concentration. Results indicate that electrochemical oxidation can treat tannery wastewater effectively. The results obtained at 7.5mA/cm² demonstrated that 48.7% of TOC and 58.9% of COD were degraded in 150min of processing. In addition, the addition of chloride showed no significant to the removal of COD and TOC.

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Periodical:

Applied Mechanics and Materials (Volumes 361-363)

Pages:

697-700

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.361-363.697

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Online since:

August 2013

Authors:

Lin Lin Huang, Jun Feng Liu, Nan Zhang, Bin Sun, Yu Jie Feng

Keywords:

COD Removal, Electrochemical Oxidation, Tannery Wastewater, TOC Removal

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