Determination of PCDF/PCDD in sludges from a drinking water treatment plant influence of chlorination treatment

A preliminary study to assess the origin and evolution of polichlorodibenzofurans (PCDFs) and polichlorodibenzo p-dioxins (PCDDs) in a drinking water treatment plant (DWTP) was undertaken. Samples of coagulation sludges and exhausted granular activated carbon (GAC) were collected from a DWTP. Owing...

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Veröffentlicht in:	Chemosphere (Oxford) 1997-03, Vol.34 (5), p.989-997
Hauptverfasser:	Rivera, J., Eljarrat, E., Espadaler, I., Martrat, M.G., Caixach, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Benzofurans - analysis Chlorine Exact sciences and technology Hydrocarbons, Chlorinated - analysis Other industrial wastes. Sewage sludge Pilot Projects Pollution Polychlorinated Dibenzodioxins - analogs & derivatives Polychlorinated Dibenzodioxins - analysis Soil Pollutants - analysis Wastes Water Pollutants, Chemical - analysis Water Purification - methods
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Beschreibung
Zusammenfassung:	A preliminary study to assess the origin and evolution of polichlorodibenzofurans (PCDFs) and polichlorodibenzo p-dioxins (PCDDs) in a drinking water treatment plant (DWTP) was undertaken. Samples of coagulation sludges and exhausted granular activated carbon (GAC) were collected from a DWTP. Owing to the similar congener profiles obtained from sludges and GAC, a subsequent study of chlorination influence was carried out. Sludge samples from a treatment with and without the chlorination step were analysed. A complementary study of the PCB content was made. The results obtained did not reveal a marked influence of chlorination in the formation of PCDFs/PCDDs.
ISSN:	0045-6535 1879-1298
DOI:	10.1016/S0045-6535(97)00401-3