An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal
Bioelectricity generation from acetate and anaerobic digestate was examined using dual chambered microbial fuel cell (MFC) containing granular graphite as electrodes and proton exchange membrane (PEM) between the chambers. When acetate was used as the sole substrate, maximum power output of 2 mW was...
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| Other Authors: | |
| Format: | Final Year Project (FYP) |
| Language: | English |
| Published: |
2012
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| Online Access: | http://hdl.handle.net/10356/49270 |
| _version_ | 1824455474188124160 |
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| author | Lee, Kah Yong. |
| author2 | Wang Jing-Yuan |
| author_facet | Wang Jing-Yuan Lee, Kah Yong. |
| author_sort | Lee, Kah Yong. |
| collection | NTU |
| description | Bioelectricity generation from acetate and anaerobic digestate was examined using dual chambered microbial fuel cell (MFC) containing granular graphite as electrodes and proton exchange membrane (PEM) between the chambers. When acetate was used as the sole substrate, maximum power output of 2 mW was obtained at a current of 5.37 mA, whereas open circuit voltage (OCV) of 622 mV was measured. When acetate was mixed with anaerobic digestate at different ratio, lower power outputs were observed. In general, the higher the percentage of anaerobic digestate in the substrate mixture, the lower the OCV & power output was observed. The maximum power output measured for 100% anaerobic digestate was 0.12 mW, obtained at a current of 0.9 mA. The OCV was measured 208 mV, which was 3 times lower compared to the OCV when 100 % v/v of 1.6g/L acetate was used. Regardless of the substrate composition, COD reduction of more than 50% was achievable for all reactors after 3 days of operation. For all of the reactors, the coulombic efficiency was found to be in the range of 8-15%. Lower coulombic efficiency was observed for reactors with higher percentage of anaerobic digestate in the substrate mixture. |
| first_indexed | 2025-02-19T03:38:47Z |
| format | Final Year Project (FYP) |
| id | ntu-10356/49270 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2025-02-19T03:38:47Z |
| publishDate | 2012 |
| record_format | dspace |
| spelling | ntu-10356/492702023-03-03T17:21:19Z An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal Lee, Kah Yong. Wang Jing-Yuan School of Civil and Environmental Engineering Residues and Resource Reclamation Centre DRNTU::Engineering::Environmental engineering::Water treatment Bioelectricity generation from acetate and anaerobic digestate was examined using dual chambered microbial fuel cell (MFC) containing granular graphite as electrodes and proton exchange membrane (PEM) between the chambers. When acetate was used as the sole substrate, maximum power output of 2 mW was obtained at a current of 5.37 mA, whereas open circuit voltage (OCV) of 622 mV was measured. When acetate was mixed with anaerobic digestate at different ratio, lower power outputs were observed. In general, the higher the percentage of anaerobic digestate in the substrate mixture, the lower the OCV & power output was observed. The maximum power output measured for 100% anaerobic digestate was 0.12 mW, obtained at a current of 0.9 mA. The OCV was measured 208 mV, which was 3 times lower compared to the OCV when 100 % v/v of 1.6g/L acetate was used. Regardless of the substrate composition, COD reduction of more than 50% was achievable for all reactors after 3 days of operation. For all of the reactors, the coulombic efficiency was found to be in the range of 8-15%. Lower coulombic efficiency was observed for reactors with higher percentage of anaerobic digestate in the substrate mixture. Bachelor of Engineering (Environmental Engineering) 2012-05-16T08:18:47Z 2012-05-16T08:18:47Z 2012 2012 Final Year Project (FYP) http://hdl.handle.net/10356/49270 en Nanyang Technological University 49 p. application/pdf |
| spellingShingle | DRNTU::Engineering::Environmental engineering::Water treatment Lee, Kah Yong. An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal |
| title | An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal |
| title_full | An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal |
| title_fullStr | An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal |
| title_full_unstemmed | An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal |
| title_short | An integrated EK-MFC technology for sludge electro-dewatering & heavy metals removal |
| title_sort | integrated ek mfc technology for sludge electro dewatering heavy metals removal |
| topic | DRNTU::Engineering::Environmental engineering::Water treatment |
| url | http://hdl.handle.net/10356/49270 |
| work_keys_str_mv | AT leekahyong anintegratedekmfctechnologyforsludgeelectrodewateringheavymetalsremoval AT leekahyong integratedekmfctechnologyforsludgeelectrodewateringheavymetalsremoval |