Improve 3D electrode materials performance on electricity generation from livestock wastewater in microbial fuel cell |
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| Authors: | Mei-Feng Lai Ching-Wen Lou Jia-Horng Lin |
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| Affiliation: | 1. Department of Fiber and Composite Materials, Feng Chia University, Taichung 40768, Taiwan;2. Department of Chemistry and Chemical Engineering, Minjiang University, Fuzhou 350108, China;3. Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textiles, Tianjin Polytechnic University, Tianjin 300387, China;4. Graduate Institute of Biotechnology and Biomedical Engineering, Central Taiwan University of Science and Technology, Taichung 40601, Taiwan;5. Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung 40768, Taiwan;6. Department of Fashion Design, Asia University, Taichung 41354, Taiwan;g. School of Chinese Medicine, China Medical University, Taichung 40402, Taiwan |
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| Abstract: | Swine wastewater that is collected from animal husbandry has organic high ammonia nitrogen. In this study, swine wastewater is converted into electrical energy using microbial fuel cells (MFCs). Carbon fibers are respectively combined with zinc-coated metallic wires or stainless steel wires in order to form different laminated electrodes, whose influence on the electricity generation of MFCs is then examined. The 3D laminated FN/carbon composites are used as electrodes, the stable electricity voltage is 291 mV and the COD removal efficiency reaches 81％. In contrast, SS/carbon composites only contribute to a stable electricity voltage of 12.3 mV and COD removal efficiency of 33%. Based on the surface contact angle test and the scanning electron microscopy (SEM) observation, the laminated FN/carbon composites have greater hydrophilicity and wettability than the laminated SS/carbon composites, and thus have a positive influence on the electricity generation of MFCs. |
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| Keywords: | Laminated board structure Swine wastewater Microbial fuel cell COD removal |
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