Fast pyrolysis is a process that converts biomass into bio-oil and gas.
The temperature at which this reaction occurs can vary based on the desired products.
5 Key Points to Know About the Temperature of Fast Pyrolysis Reaction
1. Temperature Range
Fast pyrolysis typically occurs at temperatures between 650 to 1000 °C (1202 to 1832 °F).
2. Heating Rate
The heating rate during fast pyrolysis is high, ranging from 500 to 1000 °C/s.
3. Residence Time
The residence time of products in the reaction space is short, up to 5 seconds.
4. Product Yield
The yield of products during fast pyrolysis includes:
- 30-60% liquid condensates
- 15-35% gases (CO, H2, CH4, CO2, and light hydrocarbons)
- 10-15% char
5. Comparison with Flash Pyrolysis
Flash pyrolysis occurs at moderate temperatures between 400 and 650 °C (752 and 1202 °F).
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