Table 1 Acetone–butanol–ethanol fermentation in SHFand SSF
From: Effect of residual extractable lignin on acetone–butanol–ethanol production in SHF and SSF processes
SHF | SSF | |||||
|---|---|---|---|---|---|---|
OPLP-UW | OPLP-W | OPLP-W/EOL | OPLP-UW | OPLP-W | OPLP-W/PHa | |
Residual glucose (g/L) | 5.06 ± 0.13 | 19.42 ± 0.51 | 4.30 ± 0.25 | 30.93 ± 0.02 | 1.36 ± 0.33 | 0.59 ± 0.36 |
Butanol (g/L) | 8.16 ± 0.53 | 1.69 ± 0.25 | 7.60 ± 0.39 | 2.13 ± 0.05 | 9.29 ± 0.21 | 10.51 ± 0.18 |
Butanol yield (g/g) | 0.14 ± 0.01 | 0.03 ± 0.00 | 0.13 ± 0.01 | 0.04 ± 0.00 | 0.16 ± 0.00 | 0.15 ± 0.00 |
ABE (g/L) | 11.89 ± 0.12 | 2.66 ± 0.33 | 10.56 ± 0.22 | 3.65 ± 0.05 | 15.74 ± 0.33 | 18.29 ± 0.22 |
ABE yield (g/g) | 0.20 ± 0.00 | 0.04 ± 0.01 | 0.18 ± 0.00 | 0.06 ± 0.00 | 0.27 ± 0.01 | 0.26 ± 0.01 |
Butyric acid (g/L) | 3.89 ± 0.41 | 6.52 ± 0.07 | 4.41 ± 0.50 | 2.62 ± 0.31 | 1.21 ± 0.07 | 1.68 ± 0.04 |
Acetic acid (g/L) | 3.99 ± 0.31 | 4.25 ± 0.05 | 4.13 ± 0.48 | 2.74 ± 0.20 | 1.71 ± 0.06 | 1.80 ± 0.01 |
Acid crash | No | Yes | No | Yes | Yesb | No |