Experimental and Theoretical Investigation over the Wood Permeability to Air as a Function of Pyrolysis Temperature

Abstract:

The paper deals with the wood permeability to gases and its changes with the temperature as it is important phenomena to be taken into account in order to determine the rate of release of the pyrolytic gases from a wood particle in the pyrolysis process. Both theoretical and experimental approaches are presented. The measurements were conducted on an original test stand designed and built solely for this purpose. The results show an interesting dependence of the permeability on the pyrolysis temperature of the wood. The permeability generally increases with the temperature (up to over ten times of initial value) but for the range of temperatures from 50°C to 150°C it reaches values lower than for room temperature.

• Periodical: Applied Mechanics and Materials (Volume 831)
• Pages: 295-305
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.831.295
• Online since: April 2016
• Authors: Karol Ronewicz*, Dariusz Kardaś
• Keywords: Biomass, Permeability, Pine, Pyrolysis, Wood

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