Abstract
Experimental study was undertaken to evaluate performance of microbial fuel cell. Without addition of methyl blue, the cell generated 1.265 V, 0.403 mA and 56.12 mW/m2 after three hours of operation. With 300 µM methyl blue in sewage anolyte, 6.7% increase in voltage, 20.5% increase in current and 28.6% increase in power density was observed. By using ash water catholyte, addition of methyl blue in anolyte led to increase of 9.0% in voltage, 38.5% in current and 50.9% for power density. Between three and twenty four hours of continuous operation of the cell with phosphate buffer catholyte, the average voltage was 1.305 V and the average current was 0.321 mA before addition of methyl blue. Methyl blue addition led to 5.1% increase in voltage and 55.2% increase in current. For the case of ash-water catholyte with methyl blue in anolyte, led to 6.2% increase in voltage and 59.1% increase in current.
Recommended Citation
Kihedu, J. H. (2018). Effects of Methyl-blue Addition in Sewage Substrate on the Performance of Microbial Fuel Cell. Tanzania Journal of Engineering and Technology (TJET), 37(2), 155-166. https://doi.org/https://doi.org/10.52339/tjet.v37i2.491
Publisher Name
University of Dar es Salaam
Included in
Biochemical and Biomolecular Engineering Commons, Electro-Mechanical Systems Commons, Energy Systems Commons