Tracking acidic pharmaceuticals, caffeine, and triclosan through THE wastewater treatment process

Paul M. Thomas, Gregory D. Foster*

*Corresponding author for this work

Research output: Contribution to journalArticle

136 Scopus citations

Abstract

Pharmaceuticals are a class of emerging contaminants whose fate in the wastewater treatment process has received increasing attention in past years. Acidic pharmaceuticals (ibuprofen, naproxen, mefenamic acid, ketoprofen, and diclofenac), caffeine, and the antibacterial triclosan were quantified at four different steps of wastewater treatment from three urban wastewater treatment plants. The compounds were extracted from wastewater samples on Waters Oasis hydrophilic-lipophilic balance solidphase extraction columns, silylated, and analyzed by gas chromatography-mass spectrometry. For the chemicals studied, it was found that the majority of the influent load was removed during secondary treatment (51-99%), yielding expected surface water concentrations of 13 to 56 ng/L.

Original languageEnglish (US)
Pages (from-to)25-30
Number of pages6
JournalEnvironmental Toxicology and Chemistry
Volume24
Issue number1
DOIs
StatePublished - Jan 1 2005

Keywords

  • Acidic drugs
  • Caffeine
  • Triclosan
  • Wastewater treatment plant

ASJC Scopus subject areas

  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis

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