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 Emission factors from residential combustion appliances burning Portuguese biomass fuels
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6373

title: Emission factors from residential combustion appliances burning Portuguese biomass fuels
authors: Fernandes, Ana Patrícia
Alves, Célia
Gonçalves, Cátia
Tarelho, Luís
Pio, Casimiro
Schimdl, C.
Bauer, H.
keywords: Biomass
combustion
issue date: Nov-2011
publisher: The Royal Society of Chemistry
abstract: Smoke from residential wood burning has been identified as a major contributor to air pollution, motivating detailed emission measurements under controlled conditions. A series of experiments were performed to compare the emission levels from two types of wood-stoves to those of fireplaces. Eight types of biomass were burned in the laboratory: wood from seven species of trees grown in the Portuguese forest (Pinus pinaster, Eucalyptus globulus, Quercus suber, Acacia longifolia, Quercus faginea, Olea europaea and Quercus ilex rotundifolia) and briquettes produced from forest biomass waste. Average emission factors were in the ranges 27.5–99.2 g CO kg 1, 552–1660 g CO2 kg 1, 0.66– 1.34 g NO kg 1, and 0.82–4.94 g hydrocarbons kg 1 of biomass burned (dry basis). Average particle emission factors varied between 1.12 and 20.06 g kg 1 biomass burned (dry basis), with higher burn rates producing significantly less particle mass per kg wood burned than the low burn rates. Particle mass emission factors from wood-stoves were lower than those from the fireplace. The average emission factors for organic and elemental carbon were in the intervals 0.24–10.1 and 0.18–0.68 g kg 1 biomass burned (dry basis), respectively. The elemental carbon content of particles emitted from the energyefficient ‘‘chimney type’’ logwood stove was substantially higher than in the conventional cast iron stove and fireplace, whereas the opposite was observed for the organic carbon fraction. Pinus pinaster, the only softwood species among all, was the biofuel with the lowest emissions of particles, CO, NO and hydrocarbons.
URI: http://hdl.handle.net/10773/6373
ISSN: 1464-0325
publisher version/DOI: http://dx.doi.org/10.1039/C1EM10500K
source: Journal of Environmental Monitoring
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