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Cho, Jaeweon
OWIELAB(Organic-Water Interface Engineering Laboratory)
Research Interests
  • Convergence of Science and Arts, Feces Standard Money (FSM), Water & Energy

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Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition

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Title
Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition
Author
Park, NoeonVanderford, Brett J.Snyder, Shane A.Sarp, SarperKim, Sang DonCho, Jaeweon
Keywords
Constructed wetlands; Macrophytes; Micropollutants; Wastewater reclamation; Wetland soil
Issue Date
2009-03
Publisher
ELSEVIER SCIENCE BV
Citation
ECOLOGICAL ENGINEERING, v.35, no.3, pp.418 - 423
Abstract
An engineered constructed wetland, fed with wastewater effluent, was investigated with respect to the control of organic micropollutants. The levels of 30 different micropollutants, including pharmaceuticals, endocrine disruptors and personal care products, were measured using solid phase extraction, followed by liquid chromatography/tandem mass spectrometer. Only 9 of the 30 chemicals exhibited relatively high concentrations in the effluent samples. Therefore, these were further characterized for their removals by the constructed wetlands. Atenolol, naproxen, and triclosan consistently showed fairly good removal trends, as measured during both May and August 2007. Sulfamethoxazole and dilantine, and carbamazepine, diazepam and triclosan exhibited medium-range and fluctuating (or somewhat low) removal behaviors, respectively. Attempts were made to determine the dominant removal mechanisms, with regard to soils and plants, using two different extraction methods. However, no substantial amounts were detected, thus it was not possible to induce potential removal mechanisms. Analyses of the removal efficiencies and two characteristic parameters (logK(ow) and pK(a)) showed no evidence supporting hydrophobic and electrostatic interactions for the control of micropollutants. (C) 2008 Elsevier B.V. All rights reserved
URI
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DOI
10.1016/j.ecoleng.2008.10.004
ISSN
0925-8574
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UEE_Journal Papers
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