Table 1 Chemical composition of sugarcane bagasse before and after pretreatment under different conditions
Pretreatment conditions | Solid recovery | Glucan (%) | Xylan (%) | AIL (%) | |||
|---|---|---|---|---|---|---|---|
Content | Recovery | Content | Removal | Content | Removal | ||
Raw material | – | 41.2 | – | 20.2 | – | 22.0 | – |
60 °C + NaOH | 90.4 | 44.9 | 98.5 | 16.6 | 25.5 | 21.4 | 11.9 |
60 °C + NaOH + 6.25% H2O2 | 86.3 | 44.3 | 92.8 | 14.9 | 36.2 | 21.0 | 17.6 |
120 °C + NaOH | 89.9 | 45.2 | 98.6 | 15.7 | 30.0 | 21.8 | 11.0 |
120 °C + NaOH + 6.25% H2O2 | 76.5 | 48.6 | 90.3 | 13.6 | 48.7 | 21.3 | 26.0 |
160 °C + NaOH | 84.8 | 44.7 | 91.6 | 14.9 | 37.4 | 21.7 | 16.3 |
160 °C + NaOH + 6.25% H2O2 | 59.6 | 60.1 | 87.1 | 5.2 | 84.7 | 22.6 | 38.9 |