Journal
WASTE MANAGEMENT
Volume 58, Issue -, Pages 202-213Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.wasman.2016.08.023
Keywords
Municipal solid waste; Gasification; Artificial neural networks; Feed-forward multilayer perceptron; Fluidized bed gasifier
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Funding
- People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme [289887]
- University of Limerick, Ireland
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In this paper, multi-layer feed forward neural networks are used to predict the lower heating value of gas (LHV), lower heating value of gasification products including tars and entrained char (LHVP) and syngas yield during gasification of municipal solid waste (MSW) during gasification in a fluidized bed reactor. These artificial neural networks (ANNs) with different architectures are trained using the Levenberg-Marquardt (LM) back-propagation algorithm and a cross validation is also performed to ensure that the results generalise to other unseen datasets. A rigorous study is carried out on optimally choosing the number of hidden layers, number of neurons in the hidden layer and activation function in a network using multiple Monte Carlo runs. Nine input and three output parameters are used to train and test various neural network architectures in both multiple output and single output prediction paradigms using the available experimental datasets. The model selection procedure is carried out to ascertain the best network architecture in terms of predictive accuracy. The simulation results show that the ANN based methodology is a viable alternative which can be used to predict the performance of a fluidized bed gasifier. (C) 2016 Elsevier Ltd. All rights reserved.
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