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A platform for research: civil engineering, architecture and urbanism
Size distribution and chemical composition of particulate matter stack emissions in and around a copper smelter
Abstract This paper reports on results from a multi-sampling campaign (stack, fugitive emissions and ambient air measurements) to characterise the geochemical signature of metal and metalloid particles emitted from one of the largest Cu-smelters in the world (in Huelva, SW Spain). Exceptionally high concentrations of very fine particles (<0.33 μm) bearing As, Cd, Pb, Cu, Bi, Zn (∑>100 μg m−3) are emitted from the Flash Smelting Furnaces, but high levels are also emitted by the other main chimney stacks, namely Refining Furnaces, Sulphuric Plant, Converters Unit, and Crushing Plant. Enhanced concentrations of the same elements are also observed in ground measurements near the industrial complex. During the sampling campaign, the presence of plumes from the Cu-smelter over the nearby city of Huelva was identified based on increased concentrations of gaseous pollutants, particulate metals and ultrafine particle numbers (PN). The results demonstrate that the Cu-smelter is an important source of inhalable toxic elements carried by fine airborne particles. The pollution abatement systems applied so far appear to be relatively ineffective in preventing metalliferous air pollution events, potentially increasing health risks to local and regional populations.
Highlights Particle size characterization of Cu-smelter stack emissions has been reported. Smelting and refining are the main source of toxic elements in the quasi ultrafine fraction. Fugitive emissions represent a significant metal and metalloid contribution. Cu-smelter emissions cause increase in ultrafine PN and SO2 in Huelva city.
Size distribution and chemical composition of particulate matter stack emissions in and around a copper smelter
Abstract This paper reports on results from a multi-sampling campaign (stack, fugitive emissions and ambient air measurements) to characterise the geochemical signature of metal and metalloid particles emitted from one of the largest Cu-smelters in the world (in Huelva, SW Spain). Exceptionally high concentrations of very fine particles (<0.33 μm) bearing As, Cd, Pb, Cu, Bi, Zn (∑>100 μg m−3) are emitted from the Flash Smelting Furnaces, but high levels are also emitted by the other main chimney stacks, namely Refining Furnaces, Sulphuric Plant, Converters Unit, and Crushing Plant. Enhanced concentrations of the same elements are also observed in ground measurements near the industrial complex. During the sampling campaign, the presence of plumes from the Cu-smelter over the nearby city of Huelva was identified based on increased concentrations of gaseous pollutants, particulate metals and ultrafine particle numbers (PN). The results demonstrate that the Cu-smelter is an important source of inhalable toxic elements carried by fine airborne particles. The pollution abatement systems applied so far appear to be relatively ineffective in preventing metalliferous air pollution events, potentially increasing health risks to local and regional populations.
Highlights Particle size characterization of Cu-smelter stack emissions has been reported. Smelting and refining are the main source of toxic elements in the quasi ultrafine fraction. Fugitive emissions represent a significant metal and metalloid contribution. Cu-smelter emissions cause increase in ultrafine PN and SO2 in Huelva city.
Size distribution and chemical composition of particulate matter stack emissions in and around a copper smelter
González-Castanedo, Yolanda (author) / Moreno, Teresa (author) / Fernández-Camacho, Rocío (author) / Sánchez de la Campa, Ana María (author) / Alastuey, Andrés (author) / Querol, Xavier (author) / de la Rosa, Jesús (author)
Atmospheric Environment ; 98 ; 271-282
2014-08-22
12 pages
Article (Journal)
Electronic Resource
English
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