The temperature of the pyrolysis reactor can vary depending on the type of pyrolysis process being utilized.
What is the Temperature of the Pyrolysis Reactor? 4 Key Types Explained
1. Flash Pyrolysis
For flash pyrolysis, which occurs at rapid heating rates and moderate temperatures between 400 and 600 °C (752 and 1112 °F), the reactor temperature is typically within the range of 475 to 550 °C.
2. Fast Pyrolysis
In fast pyrolysis, where biomass is rapidly heated to temperatures of 650 to 1000 °C (1202 to 1832 °F), the reactor temperature is within this temperature range. However, it is important to note that char accumulates in large quantities during fast pyrolysis and needs to be removed frequently.
3. Slow Pyrolysis
Slow pyrolysis is characterized by low temperatures and slow biomass heating rates. The heating temperatures in slow pyrolysis typically range from 0.1 to 2 °C (32.18 to 35.6 °F) per second, with prevailing temperatures around 500 °C. The residence time of gas may be over five seconds, and that of biomass may range from minutes to days.
4. Summary of Pyrolysis Reactor Temperatures
In summary, the temperature of the pyrolysis reactor depends on the specific pyrolysis process being employed. Flash pyrolysis typically operates within the range of 475 to 550 °C, fast pyrolysis ranges from 650 to 1000 °C, and slow pyrolysis commonly occurs around 500 °C.
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