Table 2 Fermentation using commercial enzymes (Celluclast 1.5 L and Novozym 188)
Enzyme loading (FPU/g glucan) | Solid loading (%) | Ethanol concentration (g/L) | Glycerol (g/l) | Y EtOH/Glu (%) | QpEtOH/Gluc(g/l.h) | |
|---|---|---|---|---|---|---|
Corn stover - (SSF) | 5 | 5 | 13.83 ± 0.49 | 0.99 ± 0.34 | 67.37 | 0.14 |
15 | 5 | 17.28 ± 1.31 | 0.77 ± 0.00 | 84.14 | 0.18 | |
5 | 10 | 27.51 ± 1.49 | 1.33 ± 0.01 | 66.98 | 0.29 | |
15 | 10 | 32.53 ± 0.15 | 0.36 ± 0.01 | 79.21 | 0.34 | |
Loblolly pine - (SSF) | 5 | 5 | 12.40 ± 0.04 | 0.04 ± 0.00 | 62.04 | 0.13 |
15 | 5 | 15.42 ± 0.01 | 0.04 ± 0.00 | 77.19 | 0.16 | |
5 | 10 | 20.98 ± 0.21 | 0.15 ± 0.06 | 52.50 | 0.22 | |
15 | 10 | 27.08 ± 0.08 | 0.12 ± 0.01 | 67.77 | 0.28 |