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Title: Modeling and simulation of a fixed bed gasification process for thermal treatment of municipal solid waste and agricultural residues
Authors: Oliveira, Matheus
Ramos, Ana
Monteiro, Eliseu 
Rouboa, Abel
Keywords: Gasification; Syngas; Solid residues; Circular economy; Modeling; Fixed bed
Issue Date: 2021
Project: FCT - PCIF/GBV/0169/2019 
European Union’s Horizon 2020 grant agreement No 818012 
FITEC, Programa Interface 
Serial title, monograph or event: Energy Reports
Volume: 7
Abstract: This work aims to develop a numerical simulation model of the combined and integrated production process of combustion and gasification, for a synthesis gas production system (SYNGAS), fed with municipal solid waste (MSW), agricultural and forestry waste. For this purpose, the EMSO software (Environment for Modeling, Simulation, and Optimization) was used in the formulation of a fixed-bed gasifier with the co-current flow. The model is developed based on mathematical calculations of partial differential equations, being one-dimensional (1-D), and considers chemical kinetics, diffusivity, and heat and mass transfer phenomena. Its validation is based on data available in the literature (variables, initial and operational conditions). As a result, a simulation of a gasifier was obtained, capable of predicting the production of Syngas, having a good correlation with the published experimental results. The general data obtained were in agreement, with high consistency for the analysis of the pilot plant in the laboratory and semi-industrial scale for solid waste processing. However, detailing the behavior of the gasifier is essential to maximize the efficiency of the process. For that, the numerical simulation tested several operational parameters, such as air–fuel ratio and gasifier temperature for instance.
ISSN: 23524847
DOI: 10.1016/j.egyr.2021.07.124
Rights: openAccess
Appears in Collections:I&D ADAI - Artigos em Revistas Internacionais

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