Table 1 Chemical composition of the untreated bagasse sample and samples that underwent acid and alkali pretreatments
Bagasse samples | Bagasse composition (%) | |||
|---|---|---|---|---|
Cellulose | Hemicellulose | Lignin | Total | |
Untreated | 44.5 ± 1.1 | 31.0 ± 0.8 | 28.2 ± 0.1 | 103.7 ± 3.5 |
H2SO4 1% | 58.3 ± 0.2 | 8.9 ± 0.8 | 33.6 ± 0.7 | 100.8 ± 1.7 |
NaOH 0.25% | 68.3 ± 0.5 | 5.4 ± 0.1 | 26.0 ± 0.3 | 99.7 ± 0.9 |
NaOH 0.5% | 71.3 ± 1.4 | 3.5 ± 0.2 | 24.0 ± 6.9 | 98.7 ± 0.4 |
NaOH 1% | 83.2 ± 0.6 | 3.2 ± 0.1 | 11.2 ± 0.9 | 97.6 ± 1.2 |
NaOH 2% | 85.9 ± 0.3 | 3.4 ± 0.1 | 9.6 ± 0.5 | 98.8 ± 1.1 |
NaOH 3% | 87.2 ± 0.1 | 3.2 ± 0.1 | 9.7 ± 0.5 | 100.1 ± 0.4 |
NaOH 4% | 84.9 ± 3.9 | 3.3 ± 0.1 | 9.4 ± 0.4 | 97.6 ± 4.7 |