Treatment of winery wastewater by electrocoagulation process

Winery wastewater treatment by electrocoagulation (EC) process using aluminum (Al) and iron (Fe) electrodes was investigated. The effects of operational parameters such as initial pH, current density and electrolysis time were investigated separately. Chemical oxygen demand (COD), turbidity and colo...

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Veröffentlicht in:Desalination and water treatment 2013-08, Vol.51 (28-30), p.5421-5429
Hauptverfasser: Kara, Serdar, Gürbulak, Ercan, Eyvaz, Murat, Yüksel, Ebubekir
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container_end_page 5429
container_issue 28-30
container_start_page 5421
container_title Desalination and water treatment
container_volume 51
creator Kara, Serdar
Gürbulak, Ercan
Eyvaz, Murat
Yüksel, Ebubekir
description Winery wastewater treatment by electrocoagulation (EC) process using aluminum (Al) and iron (Fe) electrodes was investigated. The effects of operational parameters such as initial pH, current density and electrolysis time were investigated separately. Chemical oxygen demand (COD), turbidity and color were used to measure the treatment efficiency. Electrode consumptions were calculated per m3 of wastewater. Amount of sludge produced by EC was also reported per m3 of wastewater. The optimum operating conditions were defined due to the initial pH, applied current density and operating time for Fe and Al electrodes. Maximum removal efficiencies were found at pH 7 for Fe electrode and pH 5.2 for Al electrode with current density of 300 A/m2 for both electrodes and with an operating time of 90 min and 120 min for Fe and Al electrodes, respectively. The removal efficiencies were found as 46.6% (COD), 80.3% (color) and 92.3% (turbidity) for Fe electrode while they were 48.5% for COD, 97.2% for color and 98.6% for turbidity when Al electrodes were used. Finally, the results were compared with various food and beverage industry wastewaters treated by EC process reported in the literature.
doi_str_mv 10.1080/19443994.2013.770223
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The effects of operational parameters such as initial pH, current density and electrolysis time were investigated separately. Chemical oxygen demand (COD), turbidity and color were used to measure the treatment efficiency. Electrode consumptions were calculated per m3 of wastewater. Amount of sludge produced by EC was also reported per m3 of wastewater. The optimum operating conditions were defined due to the initial pH, applied current density and operating time for Fe and Al electrodes. Maximum removal efficiencies were found at pH 7 for Fe electrode and pH 5.2 for Al electrode with current density of 300 A/m2 for both electrodes and with an operating time of 90 min and 120 min for Fe and Al electrodes, respectively. The removal efficiencies were found as 46.6% (COD), 80.3% (color) and 92.3% (turbidity) for Fe electrode while they were 48.5% for COD, 97.2% for color and 98.6% for turbidity when Al electrodes were used. 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1944-3986
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subjects Aluminum
Aluminum electrodes
Applied sciences
Biological and medical sciences
COD removal
Color removal
Crack opening displacement
Current density
Electrocoagulation
Electrodes
Exact sciences and technology
Food industries
Fundamental and applied biological sciences. Psychology
General aspects
Industrial wastewaters
Iron
Iron electrodes
Pollution
Pollution and sludges
Turbidity
Turbidity removal
Waste water
Wastewaters
Water treatment and pollution
Winery wastewater
title Treatment of winery wastewater by electrocoagulation process
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