Table 3 Composition of the liquid fraction of the steam-pretreated wood and bark mixtures
From: Influence of bark on fuel ethanol production from steam-pretreated spruce
Bark content (% of dry matter) | Total sugars (expressed as monomeric sugar) (g/L) | Inhibitors (g/L) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Glucose | Xylose | Galactose | Arabinose | Mannose | HMF a | Furfural | Formic acid | Acetic acid | Levulinic acid | |
0 | 26.5 | 9.7 | 5.1 | 2.7 | 21.7 | 2.0 | 1.3 | 1.5 | 1.9 | 1.0 |
10 | 21.8 | 9.2 | 4.0 | 3.3 | 20.7 | 1.8 | 1.1 | 1.3 | 1.7 | 0.7 |
30 | 20.1 | 9.2 | 4.2 | 4.8 | 17.8 | 1.4 | 0.8 | 0.7 | 1.4 | 0.4 |
50 | 18.3 | 8.0 | 4.1 | 5.9 | 13.7 | 1.0 | 0.7 | 0.4 | 1.2 | 0.3 |
100 | 18.2 | 6.0 | 4.3 | 10.0 | 5.6 | 0.4 | 0.4 | 0.4 | 0.6 | 0.2 |