Towards sustainable wastewater treatment: Influence of iron, zinc and aluminum as anode in combination with salt bridge on microbial fuel cell performance
Environmental Research, ISSN: 0013-9351, Vol: 209, Page: 112781
2022
- 13Citations
- 35Captures
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Metrics Details
- Citations13
- Citation Indexes13
- 13
- CrossRef10
- Captures35
- Readers35
- 35
Article Description
Microbial fuel cell (MFC) is a green technology and does not harm the environment. It can be used for wastewater treatment, hydrogen production and power generation. There are lot of avenues need to be investigated to increase the efficiency of MFC and in order to make it acceptable publicly. Efficiency of MFC depends on many factors. In this study, the influence of anode materials (Fe, Al and Zn), their sizes (12, 16 and 20 cm 2 ) and shapes (square, rectangular and circular) were investigated on MFC efficiency. Dual chamber MFC setup was prepared in which Rhodobacter capsulatus was used as biocatalytic agent. Results revealed that Zn anode gave the highest voltage of 1.57 V with corresponding 0.23 A of current. Size of 20 cm 2 of anode gave maximum voltage of 1.66 V with corresponding value of 0.08 A current, while anode size of 16 cm 2 gave maximum current of 0.75 A with corresponding voltage of 1.65 V. Regarding their studied shapes, circular shape of anode gave the highest voltages of 1.70 V. Salt bridge played an important role in internal resistance of the fuel cell. The results were checked by changing the diameter and length of the salt bridge. The best results were noticed with 16 cm 2 circular Zn anode and Fe as cathode. Salt bridge with 7.5 cm length gave the highest voltage of 1.65 V, while 4 gauge diameter salt bridge gave the highest current of 0.85 A.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0013935122001086; http://dx.doi.org/10.1016/j.envres.2022.112781; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85123735244&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/35085564; https://linkinghub.elsevier.com/retrieve/pii/S0013935122001086; https://dx.doi.org/10.1016/j.envres.2022.112781
Elsevier BV
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