Flow-through electrosorption process for removal of 2,4-D pesticide from aqueous solutions onto activated carbon cloth fixed-bed electrodes

Wastewater treatment systems have great importance in dealing with increasing environmental pollution. In this study, a specially designed and constructed flow-through electrochemical cell was used to enhance the electrosorptive removal capacity of 2,4-Dichlorofenoxyacetic acid (2,4-D) pesticide fro...

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Veröffentlicht in:Water science and technology 2018-02, Vol.77 (3), p.848-854
Hauptverfasser: Bayram, Edip, Kızıl, Çağdaş, Ayrancı, Erol
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creator Bayram, Edip
Kızıl, Çağdaş
Ayrancı, Erol
description Wastewater treatment systems have great importance in dealing with increasing environmental pollution. In this study, a specially designed and constructed flow-through electrochemical cell was used to enhance the electrosorptive removal capacity of 2,4-Dichlorofenoxyacetic acid (2,4-D) pesticide from aqueous solutions onto high area activated carbon cloth (ACC) fixed-bed electrodes. The change in concentration of 2,4-D during the electrosorption process was followed by an online UV-Vis spectrophotometric system. Effects of operational parameters such as volumetric flow rate, applied potential and existence of Na SO salt on electrosorption of 2,4-D were examined. Optimum values were found to be 10 mL·min for volumetric flow rate and +900 mV for the applied potential to polarize ACC. Maximum capacity of 729 mg·gACC has been achieved for removal of 2,4-D pesticides.
doi_str_mv 10.2166/wst.2017.598
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subjects 2,4-D
Activated carbon
Adsorption
Aqueous solutions
Bans
Capacity
Carbon fibers
Chemistry
Cloth
Desalination
Electrochemistry
Electrodes
Flow rates
Flow velocity
Hazardous materials
On-line systems
Pesticides
Pollutants
Pollution
Porous materials
Removal
Sodium sulfate
Solutions
Spectrophotometry
Stainless steel
Ultraviolet radiation
Wastewater
Wastewater treatment
Water treatment
title Flow-through electrosorption process for removal of 2,4-D pesticide from aqueous solutions onto activated carbon cloth fixed-bed electrodes
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