Table 1 Populus solid composition and cellulose crystallinity
Populus type | Composition (%) | Cellulose crystallinity (%) | ||
|---|---|---|---|---|
Glucan (± 1.0) | Xylan (± 0.5) | Lignin (± 1.0) | ||
Raw | ||||
 BESC standard | 48.0 | 17.4 | 22.1 | 55.3 |
 BESC 876 | 42.8 | 16.6 | 23.5 | 54.5 |
 SKWE 24-2 | 44.3 | 17.4 | 22.4 | 51.6 |
Hydrothermally pretreated (200 °C and 22.7 min) | ||||
 BESC standard | 66.8 | 4.2 | 28.2 | 62.3 |
 BESC 876 | 67.0 | 3.1 | 29.8 | 63.0 |
 SKWE 24-2 | 67.1 | 3.1 | 28.1 | 60.8 |