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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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Organic matter, anion, and metal wastewater treatment in Damyang surface-flow constructed wetlands in Korea

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Title
Organic matter, anion, and metal wastewater treatment in Damyang surface-flow constructed wetlands in Korea
Author
Park, NoeonKim, Joon HaCho, Jaeweon
Keywords
Constructed wetlands; Effluent organic matter; Heavy metals and metalloids; Toxic anions; Denitrification
Issue Date
2008-01
Publisher
ELSEVIER SCIENCE BV
Citation
ECOLOGICAL ENGINEERING, v.32, no.1, pp.68 - 71
Abstract
Surface-flow wetlands constructed with Acorus and Typha plants, connected to a wastewater treatment plant, were investigated with respect to organics (dissolved organic matter), anions (nitrate, sulfate, and phosphate), metals (Cu, Ni, Zn, Fe, and Mn), and metalloids (As). The results of the research indicated: (1) effluent organic matter (EfOM), based on dissolved organic carbon (DOC), was not efficiently removed by the wetlands. However, the hydrophobic, transphilic, and hydrophilic EfOM fractions varied throughout the wetlands, as identified by XAD-8/4 resins. (2) Nitrate, as compared to sulfate and phosphate, was efficiently removed, especially in the Typha wetland pond that had long retention time, under anoxic condition. (3) Most of the heavy metals were ineffectively removed via the wetland ponds. However, the iron concentration increased in the Typha wetland pond, which was probably due to its reduction under anoxic condition. (C) 2007 Elsevier B.V All rights reserved
URI
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DOI
10.1016/j.ecoleng.2007.09.003
ISSN
0925-8574
Appears in Collections:
UEE_Journal Papers
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