Details

Autor(en) / Beteiligte

• Bowman, Janet C
• Readman, James W
• Zhou, John L

Titel

Sorption of the Natural Endocrine Disruptors, Oestrone and 17[beta]-Oestradiol in the Aquatic Environment

Ist Teil von

• Environmental geochemistry and health, 2003-01, Vol.25 (1), p.63

Ort / Verlag

Kew: Springer Nature B.V

Erscheinungsjahr

2003

Quelle

Springer journals

Beschreibungen/Notizen

• Adsorption of hydrophobic contaminants at the particle/water interface is one of the key processes controlling their fate in the aquatic environment. The sorption of the natural female hormones oestrone and 17β-oestradiol has been studied under simulated riverine conditions. Both the kinetics and the effects of varying fundamental environmental parameters (e.g. sediment properties) on the thermodynamic equilibrium partition coefficient (K^sub p^) have been studied in continuous and batch sorption experiments, respectively. Results showed that the sorption of oestrone and 17β-oestradiol by sediment was relatively slow, reaching equilibrium in 50 days. In addition, relatively small adsorption of both oestrone and 17β-oestradiol onto the sediment was observed, with K^sub p^ values between 200 and 250 mL g^sup -1^. The comparable K^sub p^ values of the two compounds reflect their structural similarity. It can be concluded that the two endocrine disruptors, oestrone and 17β-oestradiol remain primarily in association with the aqueous phase.[PUBLICATION ABSTRACT]