Mode | Condition | Liquid (bio-oil) | Solid (biochar) | Gas (syngas) |
Fast pyrolysis | Moderate temperature (~500˚C) Short vapor residence time (<2 s) | 75% (25% water) | 12% | 13% |
Intermediate pyrolysis | Low-moderate temperature Moderate hot vapor residence time | 50% (50% water) | 25% | 25% |
Slow pyrolysis | Low-moderate temperature Long residence time | 30% (70% water) | 35% | 35% |
Gasification | High temperature (>800˚C) Long vapor residence time | 5% tar (55 water) | 10% | 85% |