Table 1 Mass recovery and crystallinity of the raw and pretreated A. donax under different conditions
Samples | Pretreatment conditions | Recovered A. donax (%) | CrI (%) | LOI | |
|---|---|---|---|---|---|
[C4mim]Cl | Amberlyst 35DRY | ||||
Raw | Untreated | Untreated | 100 | 36.0 | 1.43 |
R90-1.0 | 90 °C 3 h | 90 °C 1.0 h | 95.4 | 29.4 | 0.93 |
R100-1.0 | 100 °C 3 h | 100 °C 1.0 h | 78.4 | 31.4 | 0.58 |
R110-1.0 | 110 °C 3 h | 110 °C 1.0 h | 58.0 | 24.7 | 0.63 |
R120-0.5 | 120 °C 3 h | 120 °C 0.5 h | 66.1 | 23.2 | 0.53 |
R120-1.0 | 120 °C 3 h | 120 °C 1.0 h | 46.7 | 25.8 | 1.03 |
R120-1.5 | 120 °C 3 h | 120 °C 1.5 h | 31.7 | 27.3 | 0.56 |
R130-0.5 | 130 °C 3 h | 130 °C 0.5 h | 53.5 | 25.2 | 0.86 |
R140-0.5 | 140 °C 3 h | 140 °C 0.5 h | 28.2 | 25.8 | 1.15 |
R150-0.5 | 150 °C 3 h | 150 °C 0.5 h | 25.8 | 16.5 | 13.78 |