Treatment of Mineral Oil Refinery Wastewater in Microbial Fuel Cells Using Ionic Liquid Based Separators
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AuthorAddi, H.; Mateo Ramírez, Francisco; Ortiz Martínez, Víctor Manuel; Salar García, María José; Hernández Fernández, Francisco José; [et al.]
Knowledge AreaIngeniería Química
SponsorsThis work was partially supported by the Spanish Ministry of Science and Innovation (MICINN) and by the FEDER (Fondo Europeo de Desarrollo Regional), Ref. CICYT ENE2011-25188 and by the SENECA Foundation 18975/JLI/2013 grants.
Bibliographic CitationAddi, H.; Mateo-Ramírez, F.; Ortiz-Martínez, V.M.; Salar-García, M.J.; Hernández-Fernández, F.J.; Pérez de los Ríos, A.; Godínez, C.; Lotfi, E.M.; El Mahi, M.; Blanco, L.J.L. Treatment of Mineral Oil Refinery Wastewater in Microbial Fuel Cells Using Ionic Liquid Based Separators. Appl. Sci. 2018, 8, 438.
KeywordsMicrobial fuel cell
Mineral oil refinery wastewater
Polymer inclusion membrane
Microbial fuel cells (MFCs) are an environmentally friendly technology that can recover electricity directly from several wastes at ambient temperatures. This work explores the use of mineral oil refinery wastewater as feedstock in single-chamber air-cathode MFC devices. A polymer inclusion membrane based on the ionic liquid methyltrioctylammonium chloride, [MTOA+][Cl−], at a concentration of 70% w/w, was used as separator, showing a good efficiency in power production and chemical oxygen demand (COD) removal. The power and the chemical oxygen demand removal reached values of 45 mW/m3 and over 80%, respectively. The evolution of other parameters of the wastewater including nitrites, phosphates and sulphates were also studied. Kjeldahl nitrogen and sulphates were significantly reduced during MFC operation. The results show that mineral oil refinery wastewater can be used as feedstock in air breathing cathode-microbial fuel cells based on polymer ionic liquid inclusion membranes. This ...
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