Air breathing cathode‐microbial fuel cell with separator based on ionic liquid applied to slaughterhouse wastewater treatment and bio‐energy production
2017
Mateo‐Ramírez, Francisco | Addi, Hasna | Hernández‐Fernández, Francisco José | Godínez, Carlos | Pérez De Los Ríos, Antonia | Lotfi, El Mostapha | El Mahi, Mohammed | Lozano Blanco, Luis Javier
BACKGROUND: The present work explores the catalytic and electric performance of a microbial fuel cell (MFC) implemented with high chemical oxygen demand (COD) industrial wastewater from Spain. The polymer inclusion membrane based on 70% [MTOA][Cl] IL was used as separator and showed a good efficiency in power production and COD removal. RESULTS: Outputs of 72% in COD conversion, 200 mV voltage and 32 mW m⁻³ power density were obtained, demonstrating that slaughterhouse wastewater is a good feedstock for the scale‐up of this technology. Furthermore, the effect of the microbial fuel cell on the physical/chemical parameters of the slaughterhouse wastewater was analyzed. The concentration of nitrite, orthophosphate, sulfate and ammonium was reduced by more than half. CONCLUSIONS: Air breathing cathode‐microbial fuel cells based on polymer ionic liquids inclusion membranes allow the treatment of an industrial and high load slaughterhouse wastewater with good depuration and electrical performance efficiency. © 2016 Society of Chemical Industry
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