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Analysis of Environmental Disrupters in a Wastewater Treatment Plant

This study investigated the occurrence of Bisphenol A (BPA), di-n-butyl phthalate (DBP), and di(2-ethylhexyl)phthalate (DEHP) in the wastewater treatment plant of the University of Caxias do Sul (WWTP-UCS). The wastewater samples from the inflow and outflow points were submitted to Liquid-Liquid Extraction (LLE). The organic extracts were analyzed by Gas Chromatography with Flame Ionization Detection (GC-FID). The average concentrations at the outflow points were 3.17, 5.83 and 2.10 µg/mL, for BPA, DBP and DEHP, respectively. These high target compound contents at the outflow point may be due to the low removal of suspended solids from the raw samples.