Table 1.
Total VFA concentration on the last day of the experiment in the reactors with the free cells and the MBR with the encased cells containing different LCFAs at different concentrations.
| LCFAs | Conc. (g/L) | Total VFA concentration (g/L) | |
|---|---|---|---|
| Free cells | Encased cells | ||
| Palmitic acid | 0 | 2.1 ± 0.6a | 2.4 ± 0.1a |
| 1.5 | 2.5 ± 0.0a | 2.6 ± 0.0a | |
| 3.0 | 2.6 ± 0.0a | 2.8 ± 0.2a | |
| 4.5 | 3.2 ± 0.0a | 2.8 ± 0.1a | |
|
| |||
| Stearic acid | 0 | 2.6 ± 0.5a | 1.8 ± 0.1a |
| 1.5 | 2.7 ± 0.1a | 1.9 ± 0.0a | |
| 3.0 | 4.4 ± 0.1b | 2.6 ± 0.0b | |
| 4.5 | 5.4 ± 0.2b | 2.4 ± 0.0b | |
|
| |||
| Oleic acid | 0 | 4.0 ± 0.5a | 3.4 ± 1.1a |
| 1.5 | 4.6 ± 0.5a | 3.8 ± 0.1a | |
| 3.0 | 4.5 ± 0.1a | 4.0 ± 0.4a | |
| 4.5 | 5.1 ± 0.2b | 4.2 ± 1.2b | |
aNot significantly different from control.
bSignificantly different from the control, p < 0.05, n = 3.