Table 1 Solid and sugar yields of pretreated corn stover at different pretreatment conditions
From: Alkaline twin-screw extrusion pretreatment for fermentable sugar production
Pretreatment conditions | Â | Sugar yieldb(%) | |||
|---|---|---|---|---|---|
NaOH loading (g/g biomass) | Preservation time (hour) | Solid yielda | Glucose | Xylose | Total sugar |
0.04 | 0 | 77.3 | 33.6 | 13.3 | 26.4 |
1 | 73.8 | 41.7 | 22.8 | 35.0 | |
2 | 72.2 | 42.1 | 22.0 | 35.0 | |
3 | 72.1 | 41.7 | 25.8 | 36.1 | |
10 | 70.0 | 41.2 | 36.2 | 39.5 | |
0.06 | 0 | 70.2 | 57.3 | 45.5 | 53.1 |
1 | 65.8 | 82.0 | 69.4 | 77.6 | |
2 | 63.0 | 79.8 | 68.8 | 75.9 | |
3 | 62.8 | 85.1 | 69.7 | 79.7 | |
10 | 62.2 | 86.2 | 69.2 | 80.2 | |
0.08 | 0 | 61.7 | 75.4 | 58.0 | 69.3 |
1 | 59.2 | 85.0 | 63.8 | 77.5 | |
2 | 57.8 | 84.7 | 65.7 | 78.0 | |
3 | 57.4 | 85.5 | 62.9 | 77.5 | |
10 | 57.0 | 86.6 | 63.4 | 78.4 | |
0.1 | 0 | 54.8 | 79.6 | 49.7 | 69.1 |
1 | 53.5 | 85.5 | 51.4 | 73.4 | |
2 | 53.1 | 83.4 | 50.8 | 71.9 | |
3 | 52.5 | 83.1 | 49.6 | 71.3 | |
10 | 52.2 | 84.7 | 47.1 | 71.4 | |