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Characterization of lead isotope emission profiles in non-ferrous smelters in South Korea
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2013, v.26 no.5, pp.333-339
https://doi.org/10.5806/AST.2013.26.5.333
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(2013). Characterization of lead isotope emission profiles in non-ferrous smelters in South Korea. Analytical Science and Technology, 26(5), 333-339, https://doi.org/10.5806/AST.2013.26.5.333
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Abstract
This study was conducted to build up the inventories of Pb isotopic compositions of major Pb pollution sources in South Korea. Since non-ferrous metal smelters are one of major anthropogenic sources, two smelters for zinc, each one of smelter for lead and copper were selected for the study. The Pb concentrations and isotopic compositions of metal ores, wastewater, sludge, metal rod and produced sulfuric acid were analysed to understand the Pb isotopic patterns in environment. The isotopic ratio, 206Pb/207Pb, of zinc ores from zinc smelter were in the range of 1.179~1.198 and the ratio of waste, flue gas and products samples were 1.105~1.147. This results implied that the isotopic patterns of output samples showed mixing patterns between two distinct metal ore soerces. In 2011, major importing countries of zinc ore were Australia, Peru and Mexico. Thus Pb isotopic patterns from zinc smelter is originated from the mixing patterns between less radiogenic Australian ores and more radiogenic South America’s ores. Lead smelters also showed the same mixing patterns with those of zinc smelters. However copper smelter showed same Pb isotopic patterns with more radiogenic South America’s ores.
- keywords
- Lead isotopic compositions, non-ferrous metal smelters, flue gas, metal ores
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