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Innovations and Interdisciplinary Solutions for Underserved Areas. 6th EAI International Conference, InterSol 2023, Flic en Flac, Mauritius, September 16-17, 2023, Proceedings

Research Article

Microbial Fuel Cell for the Recovery of Sludge from the Treatment of Effluents by Electrocoagulation

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  • @INPROCEEDINGS{10.1007/978-3-031-51849-2_15,
        author={Maryam Khadim Mback\^{e} and Aby Sy and Cheikhou Kane and Malick Mbengue},
        title={Microbial Fuel Cell for the Recovery of Sludge from the Treatment of Effluents by Electrocoagulation},
        proceedings={Innovations and Interdisciplinary Solutions for Underserved Areas. 6th EAI International Conference, InterSol 2023, Flic en Flac, Mauritius, September 16-17, 2023, Proceedings},
        proceedings_a={INTERSOL},
        year={2024},
        month={2},
        keywords={Electrocoagulation microorganism fuel cell biofilm},
        doi={10.1007/978-3-031-51849-2_15}
    }
    
  • Maryam Khadim Mbacké
    Aby Sy
    Cheikhou Kane
    Malick Mbengue
    Year: 2024
    Microbial Fuel Cell for the Recovery of Sludge from the Treatment of Effluents by Electrocoagulation
    INTERSOL
    Springer
    DOI: 10.1007/978-3-031-51849-2_15
Maryam Khadim Mbacké1,*, Aby Sy2, Cheikhou Kane2, Malick Mbengue2
  • 1: Laboratoire des Sciences, Technologies Avancées et Développement Durable
  • 2: Laboratoire Eau Energie Environnement et Procédés Industriels (LE3PI); Equipe de recherche Procédés de Valorisation des Ressources Naturelles et Environnement (ProVaRNE), Université Cheikh Anta Diop
*Contact email: maryammbacke@gmail.com

Abstract

The micro-organisms present in the domestic effluents allowed the formation of an electroactive biofilm by oxidation of the organic matter on the surface of a carbon fabric anode, in a microbial fuel cell (MFC). Previous studies have demonstrated the effectiveness of the electrocoagulation process for the treatment of industrial effluents. During treatment, the metal hydroxide sludge formed adsorbs pollutants. These sludges could be recovered through their use as fuel in a microbial fuel cell. The cell was inoculated with sludge from tests on effluents taken from a wastewater treatment plant. The results showed a decrease in chemical oxygen demand by 90.27%, dissolved oxygen by 75% and turbidity by 72%. Analysis of the sludge from this treatment showed the presence of sulphite-reducing coliforms and clostridium which oxidize the organic matter contained in a substrate enriched with acetate or glucose.

The maximum power densities obtained are 41.29 mW/m2with acetate and 27.57 mW/m2with glucose respectively. The study was carried out on a microbial fuel cell with two compartments separated by an ion exchange membrane.

Keywords
Electrocoagulation microorganism fuel cell biofilm
Published
2024-02-02
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-031-51849-2_15
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