Table 1 Fermentation using in-house enzymes produced from T. reesei and A. saccharolyticus
Enzyme loading (FPU/g glucan) | Solid loading (g/L) | Ethanol conc. (g/L) | Glycerol conc. (g/l) | Y EtOH/Glu (%) | QpEtOH/Gluc(g/l.h) | |
|---|---|---|---|---|---|---|
Corn stover - (SHF) | 5 | 50 | 12.86 ± 0.02 | 0.30 ± 0.03 | 62.61 | 0.13 |
15 | 50 | 14.41 ± 0.08 | 0.69 ± 0.05 | 70.19 | 0.15 | |
5 | 100 | 23.23 ± 1.10 | 1.28 ± 0.25 | 56.56 | 0.24 | |
15 | 100 | 26.83 ± 0.00 | 1.40 ± 0.00 | 65.33 | 0.28 | |
Corn stover - (SSF) | 5 | 50 | 13.59 ± 0.08 | 0.35 ± 0.01 | 66.19 | 0.14 |
15 | 50 | 15.60 ± 0.12 | 0.56 ± 0.01 | 75.98 | 0.16 | |
5 | 100 | 25.68 ± 0.19 | 1.02 ± 0.01 | 62.53 | 0.27 | |
15 | 100 | 28.42 ± 1.09 | 1.35 ± 0.06 | 69.21 | 0.30 | |
Loblolly pine - (SHF) | 5 | 50 | 9.29 ± 0.74 | 0.27 ± 0.05 | 46.51 | 0.10 |
15 | 50 | 12.50 ± 0.13 | 0.27 ± 0.00 | 62.54 | 0.13 | |
5 | 100 | 16.29 ± 0.51 | 0.53 ± 0.00 | 40.77 | 0.17 | |
15 | 100 | 23.33 ± 0.01 | 0.56 ± 0.03 | 58.37 | 0.24 | |
Lobllolly pine - (SSF) | 5 | 50 | 11.93 ± 0.01 | 0.33 ± 0.00 | 59.70 | 0.12 |
15 | 50 | 13.40 ± 0.12 | 0.40 ± 0.01 | 67.07 | 0.14 | |
5 | 100 | 19.96 ± 0.34 | 0.48 ± 0.01 | 49.96 | 0.21 | |
15 | 100 | 24.98 ± 0.32 | 0.56 ± 0.03 | 62.51 | 0.26 |