Fate of endocrine disrupters in waste stabilization pond systems
1Department Sciences de I'Environnement et Sante Publique, UMR 5569 Hydrosciences- UM1, Faculté de Pharmacie, BP 14491, 34093 Montpellier cedex 5, France. egomez@univ-montp2.fr
Abstract:
The performance in the removal of estrogenicity from wastewater was studied in three wastewater treatment plants (WWTPs). Different treatment processes were evaluated: stabilization ponds and trickling filter. Sampling was performed from the input to the output of the treatment systems. The total estrogenic activity was determined with MCF-7-derived cell lines which express the endogenous estrogen receptor alpha. The two wastewater stabilization ponds with long retention time had high removal of estrogenicity (90% to 95%). Trickling filters despite being effective at removing organic load were less effective in removing estrogenicity (42%), and post tertiary ponds enhanced estrogenicity removal.
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