Simultaneous Electricity Generation and Electrochemical Decolorization of Azo Dyes in Microbial Fuel Cells

Liang Liu; Wen Yi Zhang

doi:10.4028/www.scientific.net/AMM.291-294.602

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The Effect of the Precipitator Concentration on the Activity of Mesoporous Cu-Ce-La Mixed Oxide Catalyst for Water-Gas Shift Catalyst
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Simultaneous Electricity Generation and Electrochemical Decolorization of Azo Dyes in Microbial Fuel Cells
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 291-294Simultaneous Electricity Generation and...

Simultaneous Electricity Generation and Electrochemical Decolorization of Azo Dyes in Microbial Fuel Cells

Abstract:

In this study we investigated the use of a microbial fuel cell (MFC) to abioticlly cathodic decolorization of a model azo dye, Methyl Orange (MO). Experimental results showed that electricity could be continuously generated the MO-fed MFC and MO was successfully decolorized in the cathode. The decolorization rate was highly dependent on the catholyte pH. When pH was varied from 3.0 to 9.0, the k value in relation to MO degradation decreased from 0.298 to 0.016 μmol min^-1, and the maximum power density decreased from 34.77 to 1.51 mW m^-2. Sulfanilic acid and N,N-dimethyl-p-phenylenediamine were identified as the decolorization products of MO by HPLC-MS.

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Applied Mechanics and Materials (Volumes 291-294)

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602-605

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https://doi.org/10.4028/www.scientific.net/AMM.291-294.602

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Online since:

February 2013

Authors:

Liang Liu, Wen Yi Zhang

Keywords:

AZO Dye, Decolorization, Methyl Orange, Microbial Fuel Cell (MFC)

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