Table 1.
Density and elemental analysis of C, H, N, O content (%, dry basis) in tested wood fuels. C, H, and N contents were analyzed by the Analytical Instrumentation Center, Peking University (Elementar Vario MICRO CUBE, German) and O content is calculated by the difference.
| Fuel type | Density, g/cm3 | C, % | N, % | H, % | O,% | |
|---|---|---|---|---|---|---|
| Chinese White Poplar | Populus tomentosa Carr. | 0.463 | 47.75 | 0.08 | 6.15 | 46.03 |
| Elm | Ulmus pumila L. | 0.536 | 46.89 | 0.84 | 5.89 | 46.40 |
| Yellow Locust | Robinia pseudoacacia L. | 1.176 | 45.37 | 1.37 | 6.05 | 47.22 |
| Maple | Acer mono Maxim. | 0.949 | 47.73 | 0.18 | 6.10 | 46.00 |
| Fir | Cunninghamia lanceolata | 0.427 | 49.83 | 0.13 | 6.18 | 43.87 |
| Larch | Larix gmelini (Rupr.) Rupr. | 0.634 | 48.23 | 0.14 | 6.20 | 45.44 |
| Water Chinese fir | Metasequoia glyptostroboides | 0.410 | 49.42 | 0.29 | 6.07 | 44.22 |
| Cypress | Cupressus funebris Endl. | 0.667 | 50.13 | 0.36 | 6.02 | 43.49 |
| Oak | Quercus mongolica | 1.114 | 47.42 | 0.30 | 6.15 | 46.14 |
| Chinese Pine | Pinus tabulaeformis Carr. | 0.443 | 49.10 | 0.18 | 6.32 | 44.41 |
| Willow | Salix babylonica | 0.551 | 47.39 | 0.23 | 6.14 | 46.25 |
| Paulownia tomentosa | P.tomentosa (Thunb.) Steud. | 0.284 | 48.76 | 0.13 | 6.11 | 45.02 |
| Toon | Ailanthus altissima | 0.734 | 47.71 | 0.18 | 6.13 | 45.99 |
| White Birch | Betula platyphylla Suk | 0.798 | 48.33 | 0.21 | 6.20 | 45.28 |
| Lespedeza | Leapedeza bicolor. Turcz | 48.59 | ||||
| Buxus sinica | Buxus sinica Cheng | 48.19 | ||||
| Holly | Buxus megistophylla Lévl | 45.85 | ||||
| Bamboo | Phyllostachys heterocycla | 0.912 | 48.75 | 0.26 | 5.98 | 45.02 |