Trial number | Dry weight (g) of WIS fed at different timesb | Volume of fermentation broth (mL) after feedinga | Reed straw | Corn stover | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
At 6 hours of pre-hydrolysis | At 16 hours of pre-hydrolysis | At 6 hours of fermentation | Reed straw | Corn stover | Ethanol concentration (g/L) | Ethanol yield (%) | Ethanol yield (g/kg feedstock) | Ethanol concentration (g/L) | Ethanol yield (%) | Ethanol yield (g/kg feedstock) | |
1 | 1 | - | - | 11.44 | 11.60 | 41.21 ± 1.42 | 74.4 | 248 | 39.20 ± 2.84 | 70.3 | 230 |
2 | 1 | 0.5 | - | 12.16 | 12.40 | 46.23 ± 2.84 | 71.0 | 237 | 51.26 ± 1.42 | 78.6 | 257 |
3 | 1 | 1 | - | 12.88 | 13.20 | 41.21 ± 1.42 | 55.9 | 186 | 52.26 ± 2.84 | 71.1 | 233 |
4 | 1 | 0.5 | 0.5 | 12.88 | 13.20 | 53.27 ±1.42 | 72.3 | 241 | 47.24 ± 1.42 | 64.3 | 211 |
5 | 1 | 1 | 0.5 | 13.60 | 14.00 | 56.28 ± 0 | 69.1 | 197 | 52.26 ± 0 | 64.6 | 212 |