Table 4: Optimum conditions solutions for bioethanol production.

Number of trialsIncubation period hInitial pH Incubation temperature °C Molasses conc wt%DesirabilityBioethanol yield g/LPercent error StD*
Predictedexperimental

167.545.8839.2120.431.000245.12481.181.45
226.796.3520.3122.891.000245.22470.730.9
325.006.2120.3921.841.000248.82500.480.6
471.255.5938.1417.521.000252.72550.91.15
571.055.3639.4120.231.000247.52490.60.75
626.746.1520.2020.681.000245.52481.021.25
730.116.3920.2322.021.000244.12471.181.45

StD: standard deviation.