Table 2 Compositional analysis of SF1 solids from pretreatment of ethanol-extracted bagasse with three different ILs
Sample | % dry mass | Ratios | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Mass recovery | Ash | AIL | ASL | Total lignin | Glucan | Xylan | Arabinan | Acetyl | Arabinan /Xylan | Acetyl /Xylan | |
±0.4 | ±0.4 | ±0.1 | ±0.2 | ±0.5 | ±0.08 | ±0.05 | |||||
Untreated (extracted) | 100 | 3.1 | 20.8 | 5.4 | 26.2 | 44.9 | 22.2 | 1.50 | 3.11 | 0.07 | 0.14 |
[C4mim]Cl | 90 | 3.5 | 20.8 | 5.4 | 26.1 | 47.6 | 20.5 | 1.06 | 2.96 | 0.05 | 0.14 |
[C2mim]Cl | 48 | 6.1 | 25.0 | 3.8 | 28.7 | 53.4 | 11.0 | 0.60 | 1.75 | 0.05 | 0.16 |
[C2mim]OAc | 66 | 5.7 | 9.9 | 6.0 | 15.8 | 68.2 | 13.3 | 1.58 | 1.42 | 0.12 | 0.11 |