| Liquid fraction | Solid fraction | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 |  |  |  | Chemical composition | Elemental composition3 | Enzymatic hydrolysis | ||||
 | pH | Total sugars1 | Glucan | Xylan | Lignin | Ash | Ca | S | Glucose conversion4 | |
 |  | kg/tonne | mono %2 | % | % | % | % | µg/g | µg/g |  % |
Whole-tree chips (WTC) | ||||||||||
 Untreated | 1.8 | 239 ± 7 | 79.0% | 60.7 ± 0.5 | 2.4 ± 0.0 | 36.6 ± 0.3 | 1.0 ± 0.3 | 3000 ± 171 | 1062 ± 13 | 67.7 ± 1.4 |
 Acidic | 1.4 | 258 ± 2 | 91.1% | 62.7 ± 0.1 | 1.3 ± 0.0 | 38.4 ± 0.9 | 0.2 ± 0.0 | 1349 ± 55 | 811 ± 22 | 75.7 ± 1.2 |
 Alkaline | 1.6 | 245 ± 5 | 78.7% | 63.1 ± 0.7 | 2.6 ± 0.0 | 35.2 ± 0.1 | 0.5 ± 0.2 | 2315 ± 10 | 1084 ± 16 | 72.7 ± 1.2 |
 Neutral | 1.6 | 257 ± 9 | 78.9% | 61.9 ± 0.5 | 1.6 ± 0.1 | 37.6 ± 0.3 | 1.0 ± 0.1 | 2766 ± 81 | 1144 ± 19 | 72.8 ± 0.6 |
Clean pulp chips (CPC) | ||||||||||
 Untreated | 1.4 | 168 ± 5 | 96.2% | 68.0 ± 1.1 | 1.2 ± 0.1 | 34.4 ± 0.4 | <0.1% | 126 ± 16 | 486 ± 20 | 78.2 ± 2.3 |
 Acidic | 1.4 | 213 ± 4 | 101.2% | 66.8 ± 1.1 | 0.0 ± 0.0 | 33.6 ± 0.2 | <0.1% | 97 ± 19 | 408 ± 12 | 76.7 ± 1.2 |
 Alkaline | 1.6 | 176 ± 1 | 93.4% | 72.9 ± 0.6 | 2.4 ± 0.0 | 28.3 ± 0.2 | <0.1% | 99 ± 10 | 562 ± 21 | 69.8 ± 1.4 |
 Neutral | 1.5 | 201 ± 5 | 93.5% | 70.6 ± 0.3 | 1.4 ± 0.1 | 31.5 ± 0.5 | <0.1% | 57 ± 6 | 431 ± 11 | 73.2 ± 0.1 |