Journal
FUEL
Volume 193, Issue -, Pages 142-158Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2016.12.046
Keywords
Artificial neural network; Biomass; Kinetics; Modeling; Pyrolysis
Categories
Funding
- Graduate School, Chulalongkorn University
- National Research Council of Thailand
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This study applied artificial neural networks (ANN) for constructing the correlation between biomass constituents and the kinetic parameters (activation energy (E-a), pre-exponential factor (k(0)) and reaction order (n)) of biomass pyrolysis. Three ANN models were developed, one for each of the three kinetic parameters. A total of 150 experimental thermogravimetric analyses from a diverse range of biomass compositions were used to develop and test the networks. The relationships between the main biomass components and the output parameters were non-linear and could potentially be predicted by the selected ANN models (R-2 > 0.9). Using a mean standard error limit of 0.001, the number of neurons in the hidden and the output layer and the model parameter weights and biases were optimized, with 20, 17 and 30 neurons, for log k(0), log E-a and log n, respectively. The generated contour plots revealed that cellulose required the highest k(0), E-a and n values, as well as the non-linearity and complexity of the system. (C) 2016 Elsevier Ltd. All rights reserved.
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