Table 1 Chemical and elemental compositions of Jatropha hulls before and after pretreatment
OJH (wt%) | WJH (wt%) | ILJH (wt%) | |
|---|---|---|---|
Recovery rate: | — | 69.7 | 66.7 |
Components: | |||
Hemicellulose | 12.9 ± 0.7 | 14.6 ± 0.2 | 12.9 ± 0.1 |
Cellulose | 34.3 ± 0.6 | 48.5 ± 0.4 | 48.8 ± 0.4 |
Lignin | 22.4 ± 0.1 | 25.0 ± 0.7 | 29.9 ± 0.7 |
Total | 69.6 | 88.1 | 91.6 |
Elements: | |||
Carbon | 39.2 | 40.0 | 40.0 |
Hydrogen | 5.5 | 5.0 | 5.9 |
Nitrogen | 1.1 | 1.0 | 1.3 |
Total | 45.8 | 46.0 | 47.2 |