Table 1 Chemical composition and Gross Calorific Value (GCV) of the three raw materials
From: Tagasaste, leucaena and paulownia: three industrial crops for energy and hemicelluloses production
Property1 | Tagasaste | Leucaena | Paulownia trihybrid | Eucalyptus globulus | |||
|---|---|---|---|---|---|---|---|
This work | Other authors2 | This work | Other authors3 | This work | Other authors4 | Other authors5 | |
Ash, % | 0.8 | 0.7 ± 0.1 | 1.4 | 1.4 ± 0.1 | n.d | 0.9 ± 0.1 | 0.5 ± 0.1 |
Ethanol extract., % | 2.8 | 2.3 ± 0.1 | n.d | 1.7 ± 1.1 | n.d | 4.6 ± 0.1 | 3.1 ± 0.8 |
Glucan, % | 41.4 | 38.9 ± 3.4 | 32.2 | 38.0 ± 2.4 | 34.2 | 44.0 ± 3.3 | 44.4 ± 3.7 |
Lignin, Klason % | 20.1 | 19.8 ± 1.9 | 21.5 | 24.8 ± 0.6 | 27.2 | 27.8 ± 1.1 | 27.6 ± 4.9 |
Xylan, % | 18.5 | 19.9 ± 1.3 | 15.5 | 15.7 ± 0.1 | 18.3 | 15.7 ± 0.2 | 18.8 ± 1.4 |
Araban, % | 0.6 | 0.6 ± 0.3 | 1.0 | 1.5 ± 0.3 | 1.1 | 1.1 ± 0.1 | 2.5 ± 1.1 |
Acetylgroups, % | 3.3 | 4.4 ± 0.6 | 2.1 | 3.3 ± 0.5 | 3.3 | 4.4 ± 0.2 | 3.4 ± 0.1 |
GCV, kJ/kg o.d.b | 19,375 | 19,592 ± 28 | 19,060 | 18,981 ± 102 | 19,362 | 20,300 | 19 326 ± 160 |