Table 3 Summary of all hydrolysis experiments after 48 hour of hydrolysis. The total energy input was calculated by integrating the measured power input over the 48 hour hydrolysis. Averaged power inputs where then calculated from the total energy inputs
Arundo controlled speed (10 rpm) | Spruce controlled speed (10 rpm) | |||||||
|---|---|---|---|---|---|---|---|---|
Glucose yield (% of maximum) | Average power input (W) | Total energy input (kJ) | Total energy input (kJ/kg initial WIS) | Glucose yield (% of maximum) | Average power input (W) | Total energy input (kJ) | Total energy input (kJ/kg initial WIS) | |
10% WIS | 41.0 ± 0.5 | 0.081 ± 0.010 | 14.1 ± 1.7 | 102 ± 11.2 | 25.1 ± 1.7 | 0.10 ± 0.004 | 16.8 ± 0.7 | 115.7 ± 5.2 |
15% WIS | 34.6 ± 1.5 | 0.090 ± 0.008 | 15.6 ± 1.4 | 64.8 ± 6.3 | 29.0 ± 0.6 | 0.18 ± 0.005 | 31.1 ± 0.9 | 135 ± 4.0 |
20% WIS | 29.1 ± 1.8 | 0.106 ± 0.009 | 18.4 ± 0.2 | 60.8 ± 0.5 | 34.4 ± 7.9 | 0.51 ± 0.05 | 87.4 ± 7.9 | 272 ± 26.5 |
Arundo controlled power input | Spruce controlled power input | |||||||
Glucose yield (% of maximum) | Controlled power input (W) | Total energy input (kJ) | Total energy input (kJ/kg initial WIS) | Glucose yield (% of maximum) | Controlled power input (W) | Total energy input (kJ) | Total energy input (kJ/kg initial WIS) | |
10% WIS | 40.8 ± 0.1 | 0.100 ± 0.002 | 17.3 ± 0.3 | 115 ± 2.0 | 44.0 ± 0.2 | 0.453 ± 0.004 | 78.3 ± 0.7 | 522 ± 4.7 |
15% WIS | 35.1 ± 0.5 | 0.170 ± 0.003 | 29.3 ± 0.5 | 130 ± 2.2 | 34.4 ± 0.6 | 0.455 ± 0.002 | 78.6 ± 0.5 | 348 ± 2.0 |
20% WIS | 30.3 ± 0.4 | 0.453 ± 0.001 | 78.3 ± 0.2 | 265 ± 0.7 | 27.6 ± 1.1 | 0.443 ± 0.001 | 76.6 ± 0.06 | 255 ± 0.2 |