Table 1.
Experimental data for corn cob hydrolysate fermentation at various concentrations of pretreated xylose stream
| Initial xylose concentration (g L−1) | Acetic acid concentration @ 0 h (g L−1) | Fermentation time (h) | Residual xylose concentrationa (g L−1) | Maximum cell mass concentrationa (g L−1) | Maximum ethanol concentrationa (g L−1) | Ethanol yield (gg−1) |
|---|---|---|---|---|---|---|
| 10 | 0.8 | 16 | 0.3 (0.05) | 1.5 (0.14) | 5 (0.21) | 0.38 |
| 30 | 2.5 | 36 | 0.7 (0.1) | 3.4 (0.10) | 12.4 (0.7) | 0.38 |
| 40 | 3.2 | 48 | 0.5 (0.07) | 4.1 (0.14) | 16.3 (0.28) | 0.38 |
| 55 | 4 | 72 | 0.2 (0.07) | 5.8 (0.17) | 22.6 (0.35) | 0.39 |
| 100 | 6 | 176 | 2.3 (0.2) | 9.3 (0.21) | 41.6 (0.63) | 0.41 |
| 125 | 7 | 240 | 38 (0.8) | 7.9 (0.2) | 40.3 (0.4) | 0.45 |
aStandard deviations are mentioned in bracket