Degradation of 4-Chlorophenol Using a Pd/MWNTs Gas Diffusion Electrode

Abstract:

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In a diaphragm electrolyze system with a Ti/RuO2/IrO2 anode and the Pd/MWNTs gas diffusion cathode, the degradation of 4-chlorophenol was fully studied by the electrochemical reduction and the simultaneous oxidation of the cathode and anode. The results indicated that the optimization electrolyte concentration is 0.08 mol/L. The Cl- removal reached 94.8% after 80 min electrolysis with H2 feeding. After 120 min electrolysis, the removal of 4-chlorophenol in the anodic and cathode compartments were 98.5% and 90.6%, respectively. Additionally, the TOC removal reached 65% and 70% in the anodic and cathodic compartment respectively after 140 min. By the UV scanner analysis of the electrolyte, the 4-chlorophenol and benzoquinone were oxidized by the oxides formed on the cathode, while the benzoquinone was found accumulated in the anodic compartment.

Info:

Periodical:

Advanced Materials Research (Volumes 356-360)

Edited by:

Hexing Li, Qunjie Xu and Daquan Zhang

Pages:

1323-1326

DOI:

10.4028/www.scientific.net/AMR.356-360.1323

Citation:

X. J. Wei et al., "Degradation of 4-Chlorophenol Using a Pd/MWNTs Gas Diffusion Electrode", Advanced Materials Research, Vols. 356-360, pp. 1323-1326, 2012

Online since:

October 2011

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$35.00

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