Characterization of Pb-Bearing Minerals in Polluted Soils from Closed Mine Sites
| Autor: | Katsuhiro Tsukimura, Ming Zhang, Masaya Suzuki, Mihoko Hoshino, Masaaki Ohta |
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| Rok vydání: | 2020 |
| Předmět: |
Polluted soils
Contaminated soils Environmental Engineering Environmental remediation Ecological Modeling 010401 analytical chemistry Soil washing 010501 environmental sciences engineering.material 01 natural sciences Pollution 0104 chemical sciences Galena Environmental chemistry Soil water engineering Environmental Chemistry Environmental science Sedimentary rock 0105 earth and related environmental sciences Water Science and Technology |
| Zdroj: | Water, Air, & Soil Pollution. 231 |
| ISSN: | 1573-2932 0049-6979 |
| Popis: | Lead is a toxic metal, and its characterization in contaminated soils is crucial to the success of a remediation, especially for the soil washing, one of most commonly used technologies. In this study, we propose a convenient approach that combines sedimentary hydro-classification with semi-quantitative powder X-ray diffraction analysis for characterizing the Pb-bearing minerals in soils. The approach was applied to two samples (YYm and YYu-1) collected from a closed Cu–Pb–Zn mine in the Tohoku region of Japan. The samples were taken from adjacent areas but had different appearances (YYm was a gray soil and YYu-1 was a creamy colored soil). The coarser YYm fractions had higher Pb contents than the finer YYm fractions, but the finer YYu-1 fractions (diameters |
| Databáze: | OpenAIRE |
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