Table 2.
Water swelling capacity and relative enzyme adsorption of the NMMO pretreated and untreated pinewood.
| Pretreatment | Wood size | Water swelling capacity (g water/g wood)1 |
Relative enzyme adsorption2 |
|---|---|---|---|
| Untreated | Powder | 7.2 | 4.0 |
| Pretreated for 1 h | Powder | 10.0 | 4.9 |
| Pretreated for 3 h | Powder | 10.7 | 5.2 |
| Pretreated for 15 h | Powder | 11.0 | 6.7 |
|
| |||
| Untreated | chips | 1.0 | 1.0 |
| Pretreated for 1 h | chips | 2.0 | 1.5 |
| Pretreated for 3 h | chips | 3.7 | 2.7 |
| Pretreated for 15 h | chips | 3.8 | 4.3 |
1The standard deviation of all samples was less than 6.3%.
2The standard deviation of all samples was less than 7.2%.