Abstract
The pyrolysis characteristics and kinetics of α-cellulose were investigated using thermogravimetric analyzer (TGA) and micro tubing reactor, respectively. Most of the α-cellulose decomposed between 250 and 400 °C at heating rate of 5–20 °C/min. The apparent activation energy was observed in the range of 263.02 kJ mol−1 to 306.21 kJ mol−1 at the conversion of 10-80%. The kinetic parameters were determined by nonlinear least-squares regression of the experimental data, assuming first-order kinetics. It was found from the kinetic rate constants that the predominant reaction pathway was A(α-cellulose) to B(bio-oil) rather than A(α-cellulose) to C(gas; C1-C4) and/or to B(bio-oil) to C(gas; C1-C4) at temperatures of 340-360 °C.
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This article is dedicated to Prof. Sung Hyun Kim on the occasion of his retirement from Korea University.
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Kim, SS., Ly, H.V., Chun, B.H. et al. Thermogravimetric characteristics of α-cellulose and decomposition kinetics in a micro-tubing reactor. Korean J. Chem. Eng. 33, 3128–3133 (2016). https://doi.org/10.1007/s11814-016-0143-1
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DOI: https://doi.org/10.1007/s11814-016-0143-1