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Journal of Renewable and Sustainable Energy / Volume 1 / Issue 2 / REGULAR ARTICLES

J. Renewable Sustainable Energy 1, 023109 (2009); http://dx.doi.org/10.1063/1.3126936 (12 pages)

Determination and comparison of kinetic parameters of low density biomass fuels

P. Kalita1, G. Mohan2, G. Pradeep Kumar2, and P. Mahanta2

1Centre for Energy, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
2Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India

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(Received 16 January 2009; accepted 8 April 2009; published online 30 April 2009)

Biomass has great potential as a clean, renewable feedstock for producing modern energy carriers. Low density biomass, such as rice husk, sawdust, bamboo dust, etc., can provide a continuous supply of liquid and gaseous fuels through thermochemical conversion processes. In the present study, kinetics of the thermal decomposition of three biomasses such as rice husk, sawdust, and bamboo dust were evaluated under air atmosphere from ambient temperature to 1000 °C at a heating rate of 10 °C min−1. Two distinct reaction zones were observed for all the three biomasses. From the thermogravimetric (TG) and differential TG curves, the activation energies, pre-exponential factors, and order of reaction were determined for both the reaction zones. Experimental results were validated numerically and these results are found to be very close to the numerical results. As observed, thermal decomposition rates in the first reaction zone were found to be significantly higher than those in the second reaction zone.

© 2009 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. MATERIALS AND METHOD
    1. Formulation of Runge–Kutta method
  3. RESULTS AND DISCUSSION
  4. CONCLUSIONS
  5. NOMENCLATURE

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KEYWORDS and PACS

Keywords

biofuel, renewable energy sources, renewable materials, thermal analysis

PACS

  • 81.70.Pg

    Thermal analysis, differential thermal analysis (DTA), differential thermogravimetric analysis

  • 88.20.F-

    Renewable alternative fuels from biomass energy

  • 88.20.dj

    Agriculture/forestry residues

  • 88.20.J-

    Biomass conversion methods

  • 82.30.Lp

    Decomposition reactions (pyrolysis, dissociation, and fragmentation)

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3126936

PUBLICATION DATA

ISSN

1941-7012 (print)  
1941-7012 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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