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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/2658
Title: Kinetic and thermodynamic analysis of thermal decomposition of deodar (Cedrus Deodara) saw dust and rice husk as potential feedstock for pyrolysis
Authors: Rasool T.
Srivastava, Vimal Chandra
Khan M.N.S.
Published in: International Journal of Chemical Reactor Engineering
Abstract: A comparative study on thermal analysis of two waste biomass materials of Kashmir namely deodar (Cedrus deodara) saw dust (DSD) and rice husk (RH), was carried out at different heating rates of 10, 25, 50 and 100 °C-1 in air and nitrogen atmospheres. The onset, peak and burnout temperatures and rates of decomposition of components were determined and compared to understand the combustion and pyrolysis kinetics of selected biomass materials using iso-conversional Kissinger-Akahira-Sunose (KAS) and Ozawa-Flynn-Wall (OFW) models. The kinetic parameters calculated were in turn used to calculate the changes in thermodynamic parameters, the enthalpy (?H), the Gibbs free energy (?G) and the entropy (?S). The physicochemical characterisation was carried out by elemental analyser and FTIR spectroscopy. The average activation energy values for RH were found to be 107.6 and 101.2kJ mol-1 in air atmosphere and 85.5 and 92.1kJmol-1 in nitrogen atmosphere based on KAS and OFW models, respectively. The activation energy for DSD on the other hand was found to be 89.9 and 95.3kJ mol-1 in air, 179.2 and 180.6kJ mol-1 under nitrogen atmosphere based on KAS and OFW models, respectively. The heating values of the two biomasses (~ 10 to16MJ kg-1) and Gibbs free energy values (between 165 to 176kJ mol-1) indicate that the selected biomass can not only prove to be potential feedstock for pyrolysis but also can become a useful source of energy and chemicals. © 2019 Walter de Gruyter GmbH, Berlin/Boston 2019.
Citation: International Journal of Chemical Reactor Engineering (2018), 17(1): -
URI: https://doi.org/10.1515/ijcre-2017-0184
http://repository.iitr.ac.in/handle/123456789/2658
Issue Date: 2018
Publisher: De Gruyter
Keywords: degradation kinetics
deodar saw dust
pyrolysis
thermal degradation analysis
ISSN: 15426580
Author Scopus IDs: 56394290900
35565811700
57203134492
Author Affiliations: Rasool, T., Department of Chemical Engineering, National Institute of Technology Srinagar, Srinagar, 190006, India
Srivastava, V.C., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India
Khan, M.N.S., Department of Chemical Engineering, National Institute of Technology Srinagar, Srinagar, 190006, India
Corresponding Author: Srivastava, V.C.; Department of Chemical Engineering, Indian Institute of Technology RoorkeeIndia; email: vimalcsr@yahoo.co.in
Appears in Collections:Journal Publications [CH]

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