Table 1.
Comparison of current generation and biofilm heights in pure and co-cultures.
| Imax (mA) | Maximum Biofilm thickness (μm, batch)-COMSTAT | |||
|---|---|---|---|---|
| Continuous | Batch | Closed circuit anode | Open circuit anode | |
| Pure culture experiments | ||||
| Geobacter sulfurreducens | 1.1 ± 0.06 | 1.0 ± 0.05 | 25 ± 6 | 49 ± 5 |
| Pseudomonas aeruginosa | 0.5 ± 0.01 | 0.9 ± 0.01 | 30 ± 3 | 42 ± 3 |
| Shewanella oneidensis | 1.3 ± 0.05 | 1.0 ± 0.15 | 26 ± 2 | 41 ± 3 |
| Clostridium acetobutylicum | 0.13 ± 0.006 | 0.1 ± 0.03 | 14 ± 6 | 24 ± 6 |
| Enterococcus faecium | 0.1 ± 0.05 | 0.2 ± 0.05 | 18 ± 3 | 23 ± 4 |
| Co-cultures with Enterococcus faecium | ||||
| Geobacter sulfurreducens | 1.9 ± 0.03 | - | 50 ± 7 | - |
| Pseudomonas aeruginosa | 1.8 ± 0.04 | - | 40 ± 4 | - |
| Shewanella oneidensis | 2.0 ± 0.06 | - | 39 ± 7 | - |
| Co-cultures with Clostridium acetobutylicum | ||||
| Geobacter sulfurreducens | 0.1 ± 0.03 | - | 7 ± 3 | - |
| Pseudomonas aeruginosa | 0.3 ± 0.05 | - | 8 ± 2 | - |
| Shewanella oneidensis | 0.2 ± 0.06 | - | 5 ± 1 | - |