Table 4 ABE fermentation of sago starch supplemented with P2 and TYA media by Clostridium saccharoperbutylacetonicum N1-4
Sago starch (g/L) | Fermentation time (h) | Production (g/L) | Acetic acid (g/L) | Butyric acid (g/L) | Yield (g/g) | Productivity (g/L·h) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Acetone | Butanol | Ethanol | ABE | ABE | Butanol | ABE | Butanol | ||||
30 + P2 | 48 | 1.95 | 3.62 | 0.18 | 5.75 | 0.68 | 0.54 | 0.19 | 0.12 | 0.12 | 0.08 |
40 + P2 | 48 | 2.93 | 5.24 | 0.24 | 8.41 | 0.85 | 0.17 | 0.21 | 0.13 | 0.18 | 0.11 |
50 + P2 | 72 | 3.49 | 6.20 | 0.42 | 10.11 | 0.97 | 0.12 | 0.20 | 0.12 | 0.14 | 0.09 |
60 + P2 | 96 | 3.79 | 6.79 | 0.50 | 11.08 | 1.24 | 0.19 | 0.18 | 0.11 | 0.12 | 0.07 |
70 + P2 | 108 | 6.31 | 9.83 | 0.51 | 16.65 | 1.27 | 0.57 | 0.24 | 0.14 | 0.15 | 0.09 |
30 + TYA | 72 | 2.29 | 3.32 | 0.15 | 5.76 | 0.44 | 0.55 | 0.19 | 0.11 | 0.08 | 0.05 |
40 + TYA | 120 | 3.03 | 4.44 | 0.18 | 7.65 | 0.50 | 0.33 | 0.19 | 0.11 | 0.06 | 0.04 |
50 + TYA | 120 | 3.52 | 5.14 | 0.16 | 8.82 | 0.50 | 0.69 | 0.18 | 0.10 | 0.07 | 0.04 |
60 + TYA | 120 | 3.77 | 5.87 | 0.21 | 9.85 | 0.75 | 0.57 | 0.16 | 0.10 | 0.08 | 0.05 |
70 + TYA | 120 | 4.94 | 8.11 | 0.28 | 13.33 | 1.18 | 0.97 | 0.19 | 0.12 | 0.11 | 0.07 |