Perfluorinated compounds in sediment samples from the wastewater canal of Pancevo (Serbia) industrial area
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Perfluoroalkyl sulfonates (PFSAs) and perfluoroalkyl carboxylates (PFCAs) were analyzed in sediment samples from the wastewater canal draining the industrial complex of Pancevo, Serbia (oil refinery, petrochemical plant, and fertilizer factory). The canal is directly connected to Europe's second largest river, the Danube, which drains its water into the Black Sea. Perfluorooctane sulfonate (PFOS) up to 5.7 ng d(-1) weight (dw) and total Perfluorinated compounds (PFCs) up to 6.3 ng g(-1) dw were detected. Compared to other reports, high levels of PFOS were found, even though PFCs are not used in the industrial production associated with this canal. The PFOS concentration in water was recalculated using the adsorption coefficient, K-oc from literature. Using the average output of wastewater from the canal, a mass load of 1.38 kg PFOS per year discharged in the Danube River has been calculated, which undoubtedly points to the contribution to global persistent organic pollution of surface ...waters originating from this industrial place.
Кључне речи:PFCs / PFOS / Industrial wastewater canal / Sediment / Danube River
Извор:Chemosphere, 2013, 91, 10, 1408-1415
- Pergamon-Elsevier Science Ltd, Oxford