期刊
WATER RESEARCH
卷 43, 期 6, 页码 1513-1522出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2008.12.049
关键词
Pharmaceuticals; Endocrine disrupting compounds (EDCs); Photocatalysis; Titanium dioxide (TiO(2)); Yeast estrogen screen (YES) assay; Water treatment; Estrogenic activity; Advanced oxidation process (AOP)
资金
- WateReuse Foundation's
- Brian Butters of Purifics ES, Inc [06-012]
- SNWA Water Quality Research and Development Laboratory
A photocatalytic reactor membrane pilot system, employing UV/TiO(2) photocatalysis, was evaluated for its ability to remove thirty-two pharmaceuticals, endocrine disrupting compounds, and estrogenic activity from water. Concentrations of all compounds decreased following treatment, and removal followed pseudo-first-order kinetics as a function of the amount of treatment. Twenty-nine of the targeted compounds in addition to total estrogenic activity were greater than 70% removed while only three compounds were less than 50% removed following the highest level of treatment (4,.24 kW h/m(3)). No estrogenically active transformation products were formed during treatment. Additionally, the unit was operated in photolytic mode (UV only) and photolytic plus H(2)O(2) mode (UV/H(2)O(2)) to determine the relative amount of energy required. Based on the electrical energy per order (EEO), the unit achieved the greatest efficiency when operated in photolytic plus H(2)O(2) mode for the conditions tested. (C) 2009 Elsevier Ltd. All rights reserved.
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