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- Title
Removal of endocrine disrupting compounds using a membrane bioreactor and disinfection.
- Authors
Spring, A. J.; Bagley, D. M.; Andrews, R. C.; Lemanik, S.; Yang, P.
- Abstract
Membrane bioreactors (MBRs) in combination with appropriate disinfection may provide sufficient wastewater treatment to produce effluent suitable for non-potable reuse. However, the ability of this technology combination to remove endocrine disrupting compounds (EDCs) has not been well studied. This study found that prior to disinfection a MBR removed greater than 96% of the influent cholesterol, coprostanol, and stigmastanol from municipal wastewaters compared to greater than 85% removal in a conventional treatment plant receiving the same influent. MBR effluent EDC concentrations were also lower for estrone, 17α-ethynylestradiol, and bisphenol A. Disinfection of MBR effluent with chlorine, chloramines, and chlorine dioxide provided no significant additional removal of estrone, 17β-estradiol, or 17α-ethynylestradiol but could remove 95% of added bisphenol A. Ultraviolet light at a dose appropriate for non-potable reuse did not affect removal of the target EDCs.
- Subjects
BIOREACTORS; WASTEWATER treatment; DISINFECTION &; disinfectants; ENDOCRINE disruptors; ESTRONE; ESTRADIOL
- Publication
Journal of Environmental Engineering & Science, 2007, Vol 6, Issue 2, p131
- ISSN
1496-2551
- Publication type
Article
- DOI
10.1139/S06-049