Mobility of chloroaromatic compounds in soil: case studies of Swedish chlorophenol-contaminated sawmill sites
| Autor: | Lars Öberg, Ylva Persson, Sofia Frankki, Mats Tysklind, Ulf Skyllberg |
|---|---|
| Rok vydání: | 2007 |
| Předmět: |
Hazardous Waste
Polychlorinated Dibenzodioxins Geography Planning and Development Polychlorinated dibenzodioxins Polychlorinated diphenyl ethers chemistry.chemical_compound Mining engineering Dissolved organic carbon Halogenated Diphenyl Ethers Environmental Chemistry Soil Pollutants Benzofurans Chlorophenol Ecology Phenyl Ethers General Medicine Contamination Dibenzofurans Polychlorinated Wood chemistry Environmental chemistry Polychlorinated dibenzofurans Groundwater Chlorophenols Environmental Monitoring |
| Zdroj: | Ambio. 36(6) |
| ISSN: | 0044-7447 |
| Popis: | This paper summarizes recent studies on the environmental fate of chloroaromatic compounds in chlorophenol (CP)-contaminated soil and groundwater at Swedish sawmill sites. Relative proportions of CPs, polychlorinated phenoxy phenols (PCPPs), polychlorinated diphenyl ethers (PCDEs), polychlorinated dibenzo-p-dioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) were determined in preservatives, particulate organic matter (POM), dissolved organic matter (DOM), groundwater, and particles filtered from groundwater. All compound classes were found in the different compartments. The fraction of PCPPs, PCDEs, PCDDs, and PCDFs had increased in the soil samples relative to the proportions in the preservatives. This increase showed correlation with the hydrophobicity, that is, PCDDs had the largest increase. Similar correlation was found between hydrophobicity and the importance of partitioning to POM over DOM. The more water soluble compound group, CP, was found equally distributed between POM and DOM. For PCPPs, PCDEs, PCDDs, and PCDFs, the relative partitioning to POM increased with increased hydrophobicity. Despite the relative partitioning towards POM, compared with DOM, cotransport with DOM and suspended colloidal fractions was found to substantially increase the transport of these compounds in the groundwater samples. |
| Databáze: | OpenAIRE |
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