Journal
BIORESOURCE TECHNOLOGY
Volume 99, Issue 17, Pages 8022-8026Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2008.03.047
Keywords
co-pyrolysis; biomass; kinetic model; synergistic effect
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The primary objective of this work was to develop an appropriate model to explain the co-pyrolysis behaviour of lignite coal-biomass blends with different proportions using a thermogravimetric analyzer. A new parallel-series kinetic model was proposed to predict the pyrolysis behaviour of biomass over the entire pyrolysis regime, while a kinetic model similar to that of Anthony and Howard [Anthony, D.B., Howard, J.B., 1976. Coal devolatilization and hydrogasification. AIChE Journal 22(4), 625-656] was used for pyrolysis of coal. Analysis of mass loss history of blends showed an absence of synergistic effect between coal and biomass. Co-pyrolysis mass-loss profiles of the blends were predicted using the estimated kinetic parameters of coal and biomass. Excellent agreement was found between the predicted and the experimental results. (C) 2008 Elsevier Ltd. All rights reserved.
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