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Electrochemical treatment of alizarin red S dye wastewater using an activated carbon fiber as anode material

Authors
  • Yi, Fenyun1
  • Chen, Shuixia1
  • 1 Sun Yat-sen University, Key Laboratory of Polymeric Composite and Functional Materials of Education Ministry, Materials Science Institute, 135 West Xingang Rd, Guangzhou, 510275, China , Guangzhou (China)
Type
Published Article
Journal
Journal of Porous Materials
Publisher
Kluwer Academic Publishers
Publication Date
Jun 14, 2007
Volume
15
Issue
5
Pages
565–569
Identifiers
DOI: 10.1007/s10934-007-9134-2
Source
Springer Nature
Keywords
License
Yellow

Abstract

The simulated dye wastewater containing alizarin red S (ARS) was electrochemically oxidized using an activated carbon fiber (ACF) felt as an anode. The removal efficiency of color and chemical oxygen demand (COD) was evaluated by comparing ACF adsorbents with ACF anodes. The experimental results show that the electrochemical oxidation method using ACF as anode can effectively remove dyestuff pollutant from wastewater. About 98% of the color removal ratio and 76.5% of the maximum COD removal ratio are achieved after 60 min of electrolysis. It is suggested that ARS was adsorbed and concentrated on the ACF anode due to its high surface area; the simultaneously electrochemical oxidation of the ARS may regenerate the ACF anode, which enhance the electrolysis efficiency of the ARS.

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