The combustion behavior of municipal solid waste was studied in a pilot fluidized bed combustor. The waste was pelletized prior to its use. Both co-firing with coal and combustion of waste alone were under taken. The combustion studies were carried out on the pilot installation of INETI. The fluidized bed combustor is square in cross section with each side being long. Its height is . There is a second air supply to the freeboard at different heights to deal with high volatile fuels. There was a continuous monitoring of the temperatures in the bed, as well as the composition of the combustion gases. The combustion gases leaving the reactor were let go through the recycling cyclone first to capture most of particulates elutriated out of the combustor. There was a second cyclone, which was employed with the aim of increasing the overall efficiency of collecting solid particles. The gaseous pollutants leaving the stack were sampled under isokinetic conditions for particulate matter, chlorine compounds, and heavy metals. The ash streams were characterized for heavy metals. The results obtained were compared with national legislation. The results obtained suggest that (i) the combustion efficiency was very high, (ii) there was an enrichment of ashes with heavy metals in the cyclones compared to the bed material, (iii) in general, the flue gas emissions were below the permited limits, and (iv) for the compliance with the new European directive for stricter emission limits adequate control devices, like bag filters, should be integrated with refuse derived fuel (RDF) combustion.
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June 2006
Research Papers
The Study of Combustion of Municipal Waste in a Fluidized Bed Combustor
I. Gulyurtlu,
I. Gulyurtlu
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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T. Crujeira,
e-mail: teresa.crujeira@ineti.pt
T. Crujeira
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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M. H. Lopes,
M. H. Lopes
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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P. Abelha,
P. Abelha
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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D. Boavida,
D. Boavida
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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J. Seabra,
J. Seabra
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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R. Gonçalves,
R. Gonçalves
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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C. Sargaço,
C. Sargaço
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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I. Cabrita
I. Cabrita
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
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I. Gulyurtlu
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
T. Crujeira
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugale-mail: teresa.crujeira@ineti.pt
M. H. Lopes
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
P. Abelha
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
D. Boavida
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
J. Seabra
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
R. Gonçalves
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
C. Sargaço
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, Portugal
I. Cabrita
INETI/DEECA
, Edificio J, Azinhaga dos Lameiros, Estrada Paço do Lumiar, 22, 1649-038 Lisboa, PortugalJ. Energy Resour. Technol. Jun 2006, 128(2): 123-128 (6 pages)
Published Online: January 30, 2006
Article history
Received:
June 16, 2004
Revised:
January 30, 2006
Citation
Gulyurtlu, I., Crujeira, T., Lopes, M. H., Abelha, P., Boavida, D., Seabra, J., Gonçalves, R., Sargaço, C., and Cabrita, I. (January 30, 2006). "The Study of Combustion of Municipal Waste in a Fluidized Bed Combustor." ASME. J. Energy Resour. Technol. June 2006; 128(2): 123–128. https://doi.org/10.1115/1.2191507
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