Table 5 Comparative profile of anode electrodes in MFCs.
Fuel cell reactors | Organic substrate | Inoculation medium | Targeted metals | Initial concentration (ppm) | Anode material | Cathode material | Remediation performance (%) | References |
|---|---|---|---|---|---|---|---|---|
MFC | Glucose | Anaerobic digester sludge | Cr (VI) | 20 | Graphite felt | Graphite felt | 79 | |
MFC | Sodium acetate | Anaerobic sludge bed | Cr (VI) | 100 | Graphite plate | Graphite plate | 82 | |
Glucose | Anaerobic sludge | Cr (VI) | Graphite brushes | Carbon clot | 99 | |||
BMFC | Sweet potato waste | Wastewater | Pd (II) | 50 | Graphene oxide | Graphite rod | 60.33 | |
BMFC | Sweet potato waste | Wastewater | Pd (II) | 50 | Graphene oxide/PANI | Graphite rod | 65.51 | |
MFC | Oil palm trunk sap | Wastewater | Pd (II) | 100 | Graphene oxide/ZnO | Graphite rod | 91.07 | |
MFC | sugar cane juice | Synthetic wastewater | Pd (II) | 100 | GO/PANI/Ag | Graphite rod | 78.10 | |
MFC | Sweet potato waste | Synthetic wastewater | Cr(VI) | 150 | Graphite rod | Graphite rod | 64 | Present study |
MFC | Sweet potato waste | Synthetic wastewater | Cr(VI) | 150 | E-rGO | Graphite rod | 71 | Present study |
MFC | Sweet potato waste | Synthetic wastewater | Cr(VI) | 150 | E-rGO/Fe3O4 | Graphite rod | 79 | Present study |
MFC | Sweet potato waste | Synthetic wastewater | Pd (II) | 150 | Graphite rod | Graphite rod | 56 | Present study |
MFC | Sweet potato waste | Synthetic wastewater | Pd (II) | 150 | E-rGO | Graphite rod | 65 | Present study |
MFC | Sweet potato waste | Synthetic wastewater | Pd (II) | 150 | E-rGO/Fe3O4 | Graphite rod | 74 | Present study |
