Removal of organic matter and electricity generation of sediments from Progreso, Yucatan, Mexico, in a sediment microbial fuel cell
2017
González-Gamboa, Nancy Karina | Valdés-Lozano, David Sergio | Barahona-Pérez, Luis Felipe | Alzate Gaviria, Liliana | Domínguez-Maldonado, Jorge Arturo
Sediment microbial fuel cells (SMFCs) are devices that generate electrical energy through sediments rich in organic matter (OM). The present study assessed the potential of sediments collected at two sites in Yucatan, Mexico, (the swamp of Progreso port and Yucalpetén dock) to be used in these electrochemical devices. Sediments were collected during the rainy and winter seasons and were monitored in the SMFC for 120 days through electrochemical and physicochemical characterization. OM removal in the SMFC ranged from 8.1–18.01%, generating a maximum current density of 232.46 mA/cm² and power density of 95.85 mW/cm². SUVA analysis indicated that with a young soil, the ratio E4/E6 presented evidence directly related to the degradation of aromatic and aliphatic compound formation, implying humification and, therefore, sediment enrichment.
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