Table 1.
Mono- versus co-substrate fermentations using C. pasteurianum DSMZ 525
| Mono/mixed substrate | Concentration (g/L) | Yield (g/g C3+C6) | Overall butanol productivity(g/L × h) | |||||
|---|---|---|---|---|---|---|---|---|
| Butyric acid | Acetic acid | 1,3-PDO | Butanol | Biomass | Butanol | 1,3-PDO | ||
| Mono-substrate | ||||||||
| Glucose | 10.5 | 11.9 | 0.0 | 6.9 | 13.2 | 0.1 | 0 | 0.21 |
| BH | 11.7 | 15.5 | 0.0 | 6.8 | 8.5 | 0.1 | 0 | 0.20 |
| Glycerol | 0.1 | 0.4 | 5.3 | 13.9 | 3.2 | 0.25 | 0.1 | 0.68 |
| Mixed substrates | ||||||||
| Glu to Gly | ||||||||
| 4:1 | 9.9 | 5.3 | 2.2 | 11.3 | 6.8 | 0.13 | 0.03 | 0.41 |
| 1:1 | 4.2 | 1.5 | 5.2 | 21.1 | 6.1 | 0.23 | 0.06 | 0.69 |
| 1:4 | 4.11 | 1.6 | 10.3 | 11.4 | 5.2 | 0.17 | 0.15 | 0.37 |
| Mixed substrates | ||||||||
| BH to Gly | ||||||||
| 1:1 | 4.1 | 4.2 | 1.8 | 17.4 | 6.1 | 0.2 | 0.02 | 0.62 |
BH biomass hydrolysate, Glu glucose, Gly glycerol