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

Noeon Park, Brett J. Vanderford, Shane A. Snyder, Sarper Sarp, Sang Don Kim, Jaeweon Cho

Research output: Contribution to journalArticle

73 Citations (Scopus)

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 (log Kow and pKa) showed no evidence supporting hydrophobic and electrostatic interactions for the control of micropollutants.

Original languageEnglish
Pages (from-to)418-423
Number of pages6
JournalEcological Engineering
Volume35
Issue number3
DOIs
Publication statusPublished - 4 Mar 2009
Externally publishedYes

Fingerprint

Wetlands
constructed wetland
anoxic conditions
Effluents
Wastewater
effluent
wastewater
endocrine disruptor
Liquid chromatography
Mass spectrometers
Coulomb interactions
extraction method
Drug products
micropollutant
removal
liquid chromatography
drug
spectrometer
Soils
soil

Keywords

  • Constructed wetlands
  • Macrophytes
  • Micropollutants
  • Wastewater reclamation
  • Wetland soil

ASJC Scopus subject areas

  • Environmental Engineering
  • Management, Monitoring, Policy and Law
  • Nature and Landscape Conservation

Cite this

Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition. / Park, Noeon; Vanderford, Brett J.; Snyder, Shane A.; Sarp, Sarper; Kim, Sang Don; Cho, Jaeweon.

In: Ecological Engineering, Vol. 35, No. 3, 04.03.2009, p. 418-423.

Research output: Contribution to journalArticle

Park, Noeon ; Vanderford, Brett J. ; Snyder, Shane A. ; Sarp, Sarper ; Kim, Sang Don ; Cho, Jaeweon. / Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition. In: Ecological Engineering. 2009 ; Vol. 35, No. 3. pp. 418-423.
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