Steroid estrogens in primary and tertiary wastewater treatment plants.

  title={Steroid estrogens in primary and tertiary wastewater treatment plants.},
  author={Olga Braga and George A. Smythe and Andrew I. Schafer and Andrew J Feitz},
  journal={Water science and technology : a journal of the International Association on Water Pollution Research},
  volume={52 8},
The concentrations of two natural estrogens (estrone (E1) and Estradiol (E2)) and one synthetic progestin (Ethinylestradiol (EE2)) were measured for different unit operations in an advanced sewage treatment plant and in a large coastal enhanced primary sewage treatment plant. The average influent concentration to both plants was similar: 55 and 53 ng/L for E1 and 22 and 12 ng/L for E2 for the advanced and enhanced primary STPs, respectively. The activated sludge process at the advanced STP… CONTINUE READING

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