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Resumen del producto
Mirlean, N., P., Braisch, I., Machado & E., Shumilin
(2008).
Mercury contamination of soil as the result of long-term phosphate fertilizer production.
Bulletin of Environmental Contamination and Toxicology.
81(3): 305-308.
DOI: 10.1007/s00128-008-9480-z.
Mercury contamination of soil as the result of long-term phosphate fertilizer production
Nicolai Mirlean, Paulo Braisch, Isabel Machado y Evgueni Shumilin
This study was aimed at determining the range and spatial distribution of mercury in a geographical area influenced by the emissions of phosphate fertilizers industries in Rio Grande, Brazil. The case study demonstrated that mercury concentrations in a fine fraction of the surface soil close to the fertilizer factory reached levels as high as 800 µg kg-1. Increased mercury concentrations were detected up to 60 cm below the soil surface. Further, a significant impact of the elevated mercury levels was manifested in a 1-km zone around the factory. Technical grade sulfuric acid employed in superphosphate production is considered the principal source of this mercury contamination
Palabras clave: Fertilizer production; Mercury; Soil contamination; Sulfuric acid
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