Table 2.
Proximate and ultimate analyses of the pyrolysis solids obtained at different temperatures (20 °C·min−1).
| (Weight %) | Olives | Eucalyptus | |||
|---|---|---|---|---|---|
| 600 °C | 750 °C | 600 °C | 750 °C | ||
| Solid yields | 22.9 | 21.3 | 22.4 | 22.9 | |
| Proximate analysis (ap) a | Moisture | 2.0 | 1.7 | 2.2 | 1.4 |
| Volatile matter | 11.8 | 10.0 | 12.0 | 8.6 | |
| Ash | 9.5 | 9.2 | 5.9 | 6.2 | |
| Fixed Carbon c | 76.7 | 79.1 | 79.9 | 83.8 | |
| Ultimate analysis (daf) b | C | 86.0 | 94.5 | 88.0 | 90.1 |
| H | 2.1 | 0.9 | 1.4 | 0.8 | |
| N | 0.8 | 1.2 | 0.6 | 0.6 | |
| Others (mainly O) c | 11.1 | 3.4 | 10.0 | 8.5 | |
| HHV (ap) a (MJ kg−1) | 30.8 | 28.8 | 31.6 | 31.0 | |
a ap: as produced basis; b daf: dry and ash free basis; c By difference.