From: Microbial biogas production from hydrolysis lignin: insight into lignin structural changes
Birch | Composition (%) | |||||
---|---|---|---|---|---|---|
Glucanb | Arabinan | Galactan | Xylan | Mannan | Klason lignin | |
Untreated | 36.5 ± 2.04 | 1.1 ± 0.02 | 1.4 ± 0.04 | 16.5 ± 0.42 | 2.8 ± 0.12 | 29.2 ± 1.12 |
Steam-explodeda | 43.2 ± 2.06 | 0.3 ± 0.01 | 0.9 ± 0.04 | 9.9 ± 0.08 | 1.7 ± 0.02 | 40.3 ± 1.02 |
HL | 9.7 ± 1.01 |  | 0.1 ± 0.01 | 1 ± 0.02 | 0.6 ± 0.01 | 79.8 ± 3.27 |