Official Journal of the Japan Wood Research Society
Kappa number | Yield | Acid-insoluble (soluble) lignin | Glucan | Xylan | Other sugars | Extractive | Ash | Unknown | |
---|---|---|---|---|---|---|---|---|---|
(% based on raw material) | |||||||||
Raw material | – | – | 24.6 (3.0) | 35.7 | 20.1 | 1.6 | 7.1 | 5.5 | 2.4 |
Prehydrolysate | – | 8.3 | 0.43 (0.67) | 0.17 | 1.8 | 0.87 | – | 1.6 | 2.8 |
Soda-AQ pulpa | 17.3 | 41.8 | – | – | – | – | – | – | – |
Prehydrolysisb soda-AQ pulpa | 9.6 | 31.1 | 0.9 (0.2) | 22.4 | 4.1 | – | – | 0.4 | 3.1 |
Acacia prehydrolysis kraft pulpc | 13.2 | 45.2 | 0.7 (0.4) | 39.2 | 4.3 | – | – | 0.1 | 0.5 |