Table 4 Composition of the two batches of steam-pretreated wheat straw (SPWS)
SPWS 1 | SPWS 2 | |||
|---|---|---|---|---|
Total solids (%) | 12.3 | 18.7 | ||
WIS content (%) | 8.2 | 13.5 | ||
Solid fraction (% of WIS) | Glucan | 62.2 | 58.6 | |
Xylan | 5.8 | 6.3 | ||
Arabinan | 0.6 | 0.4 | ||
Lignin | 23.5 | 27.7 | ||
Ash | 3.4 | 3.0 | ||
Liquid fraction (g/L) | Sugarsa | Glucose | 5.0 | 9.8 |
Xylose | 30.4 | 43.7 | ||
Arabinose | 3.9 | 5.8 | ||
By-products | Furfural | 2.0 | 1.7 | |
HMF | 0.1 | 0.1 | ||
Acetic acid | 2.9 | 2.4 | ||