UDC 66.040.287
Numerical modeling of convective drying of pine chips was performed with the solution of the system of heat and mass transfer equations for an infinite plate. The influence of humidity on the thermal diffusivity of the material and the dynamics of heating was established. The results showed that drying up to 12% humidity is optimal, since further dehydration requires significant energy costs. It was determined that the particle size of 5–10 mm ensures effective drying at a temperature of 300–350 °C. The obtained data allow optimizing the parameters of drying units for the pyrolysis of wood waste.
pyrolysis, agricultural waste, thermal decomposition, biofuel, synthesis gas
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