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Title: Pyrolysis kinetics and combustion of thin wood by an advanced cone caorimetry test method

Source: J Therm Anal Calorim

Author(s)Dietenberger, Mark

Publication Year: 2012  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4723-2

Abstract: Pyrolysis kinetics analysis of extractives, holocellulose, and lignin in the solid redwood over the entire heating regime was possible by specialized cone calorimeter test and new mathematical analysis tools. Added hardware components include: modified sample holder for the thin specimen with tiny thermocouples, the methane ring burner with stainless-steel mesh above cone heater, and the water vapor sensor in heated gas sampling lines. Specialized numerical deconvolutions were applied to the oxygen and water vapor analyzer signals to synchronize with the rapid-responding CO/CO2 analyzer signals. From this data, the mass flow rates of carbon, hydrogen, and oxygen within the wood volatiles as function of time were obtained, which allowed deducing the mass flow rate of significant molecules of wood volatiles that have their origins in the wood constituents of extractives, holocellulose, and lignin. Accurate analytical solution of pyrolysis kinetics of appropriate competitive reactions that continuously conserved carbon, hydrogen, and oxygen mass flow rates was obtained for piecewise exponentially-shaped, spatially uniform temperature within the specimen as implemented conveniently in MS Excel spreadsheet.

Keywords: Wood pyrolysis kinetics, modified cone calorimetry, Evolved gas analysis

Publication Review Process: Formally Refereed

File size: 761 kb(s)

Date posted: 08/02/2012

This publication is also viewable on Treesearch:  view
RITS Product ID: 60533
Current FPL Scientist associated with this product
Dietenberger, Mark A.
Research General Engineer
  

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