Research Article
Alkali Pretreatment and Enzymatic Hydrolysis of Australian Timber Mill Sawdust for Biofuel Production
Table 2
Impact of pretreatment on structural composition ratios.
| Dose | Temp. (°C) | Time (hr) | Cellulose/hemicellulose | Lignin/cellulose | Lignin/hemicellulose |
| Untreated sawdust | 5.81 | 0.76 | 4.42 |
| 3% | 60 | 0.5 | 7.52 | 0.79 | 5.92 | | 1 | 7.40 | 0.82 | 6.04 | | 2 | 5.49 | 0.76 | 4.15 |
| 7% | | 0.5 | 6.21 | 0.72 | 4.44 | | 1 | 9.77 | 0.71 | 6.87 | | 2 | 10.70 | 0.64 | 6.85 |
| 10% | | 0.5 | 6.61 | 0.61 | 3.99 | | 1 | 7.51 | 0.65 | 4.90 | | 2 | 9.17 | 0.76 | 6.89 |
| 7% | −20 | 24 | 10.97 | 0.56 | 6.10 | −20 | 2 | 9.71 | 0.63 | 6.13 | 121 | 0.5 | 11.57 | 0.52 | 6.01 |
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