Table 2.
Effect of dilution rate on fermentation characteristics of wild type E. coli.
| Dilution rate (h−1) | Biomass conc. (g/L) | Specific glucose uptake rate (mmol/g/h) | Specific acetate formation rate (mmol/g/h) | Biomass yield (g/g) | Specific CER (mmol/g/h) |
|---|---|---|---|---|---|
| 0.2 | 1.45 ± 0.06 | 3.07 ± 0.13 | ND∗ | 0.37 ± 0.015 | 9.15 |
| 0.4 | 1.87 ± 0.09 | 4.75 ± 0.23 | 0.01 | 0.47 ± 0.023 | 11.61 |
| 0.6 | 2.0 ± 0.09 | 6.67 ± 0.3 | 0.88 ± 0.04 | 0.5 ± 0.023 | 13.17 |
| 0.7 | 1.93 ± 0.08 | 8.05 ± 0.34 | 1.33 ± 0.06 | 0.48 ± 0.02 | 15.83 |
∗ND: not detectable, where glucose detectable limit is 0.038 g/L.