Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 19, Issue 2, Pages 670-676Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2012.10.026
Keywords
Kinetic modeling; Malek method; Straw; Thermal stability; TGA
Funding
- Louisiana Board of Regents [LEQSF-EPS (2011)-OPT-IN-04]
- Nanjing Forestry University, Nanjing, China
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Thermal degradation behavior of rice straw fibers under isothermal heating conditions was studied. The data were modeled by considering the fiber as one pseudo-component using the Malek method. The kinetic model with reaction order n > 1 [i.e., RO(n > 1) = (1 - alpha)(n)] described the degradation process of rice straw fiber fairly well in a temperature range up to about 265 degrees C. The kinetic parameters used include activation energy of 116 +/- 5 kJ/mol, reaction order of 3.0 +/- 0.2, and logarithmic value of pre-exponential factor [ln A] of 18.7 +/- 0.1 ln s(-1). The model obtained can be used to aid the development of straw fiber-engineering plastic composites. (c) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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