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ENCIT 2020
18th Brazilian Congress of Thermal Sciences and Engineering
THERMAL AND FLUID DYNAMICS SIMULATION OF A FLUIDIZED BED REACTOR FOR MRDF GASIFICATION
Submission Author:
Vitor Alberto Lemes Monteiro , MG , Brazil
Co-Authors:
Vitor Alberto Lemes Monteiro, Maurício Guilherme Alves dos Reis, Cassius Ferreira, Luciano Infiesta, Solidônio Carvalho
Presenter: Vitor Alberto Lemes Monteiro
doi://10.26678/ABCM.ENCIT2020.CIT20-0091
Abstract
Simulations of a fluidized bed reactor for gasification of municipal refuse-derived fuel (MRDF) from municipal solid waste (MSW) was performed using OpenFOAM software to investigate fluid dynamics of the fluidization behaviors. Experimental information was obtained from a gasification pilot plant located at Mauá-SP, Brazil, with capacity for 7.1 t day-1 of MRDF to produce 16.9 t day-1 of syngas. Eulerian-Eulerian modeling were applied and a gas-solid two-phase flow was considered to represent silica sand and gas in reactor. Thermophysical properties were calculated in function of operation temperatures and applied to energy transport equation, enclosing the energy balance. Air was used to represent all gaseous phases, which is insufflated at 673 K into the reactor maintained at 1123 K. The simulation results obtained shows the expected fluidizing characteristics for the pilot plant reactor.
Keywords
Eulerian-Eulerian, MSW, RDF, OpenFOAM, Waste to energy
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