Table 2 Experimental values of ethanol and biomass resulting from the application of fractional factorial design (FFD) 25−2
Runs | X 1 | X 2 | X 3 | X 4 | X 5 | Biomass (mg/mL) | Ethanol (g/L) |
|---|---|---|---|---|---|---|---|
1 | 20 | 5 | 35 | 10 | 10 | 15.2 ± 0.8 | 18.9 ± 0.5 |
2 | 5 | 15 | 10 | 10 | 10 | 13.4 ± 0.1 | 45.4 ± 0.4 |
3 | 5 | 5 | 35 | 30 | 5 | 14.2 ± 0.5 | 34.4 ± 1.0 |
4 | 5 | 15 | 35 | 10 | 5 | 14.7 ± 2.2 | 23.2 ± 0.7 |
5 | 20 | 5 | 10 | 10 | 5 | 15.3 ± 2.4 | 70.9 ± 3.1 |
6 | 20 | 15 | 10 | 30 | 5 | 13.1 ± 0.7 | 27.7 ± 1.4 |
7 | 20 | 15 | 35 | 30 | 10 | 13.6 ± 1.4 | 0.0 ± 0.0 |
8 | 5 | 5 | 10 | 30 | 10 | 13.8 ± 0.1 | 33.7 ± 1.2 |