| 초록 |
The Microbial fuel cells (MFCs) were operated using pure culture (using Shewanella putrefaciens) and mixed culture (using HEROS). Type I having ferricyanide as a mediator of cathode generated power density 5.25 mW/m2 and current density 40.30 mA/m2. Type I MFC plus methylene blue in the anode compartment, Type II was evaluated maximum current density 154.8 mA/m2 maximum power density 48.1 mW/m2. These power densities and current density are higher than those without methylene blue for MFCs with S. putrefaciens CN32. Power generation using single-compartment MFC was maximum current density 254.8 mA/m2 and maximum power density 81.5 mW/m2. Power generation of MFC using HEROS sample without installation adding oxygen was evaluated as maximum power density of 141 mW/m2. However MFC inoculated with HEROS sample supplying air as 0.5 vvm velocity showed 488 mW/m2 of maximum power density and adding 2M H2O2 yielded maximum power density as 560 mW/m2. After 4 days operation, the MFC generated maximum power density 1,676 mW/m2. |
