Analysis of formaldehyde formation in wastewater using on-fiber derivatization-solid-phase microextraction-gas chromatography-mass spectrometry

Rebecca A. Trenholm, Fernando L. Rosario-Ortiz, Shane A Snyder

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A method has been developed for the quantification of the formation of formaldehyde during the advanced oxidation treatment (AOT) of wastewater destined for reuse. This method uses solid-phase microextraction (SPME) with on-fiber derivatization followed by gas chromatography-mass spectrometry (GC-MS) analysis. Based on calculated method detection limits (MDL) and ambient background levels, the method reporting (MRL) limit for formaldehyde was set at 10 μg/L. Precision for formaldehyde using this technique resulted in 23% relative standard deviation (RSD), while the internal standard, acetone-d6, was only 6%. This method was used to evaluate the formation of formaldehyde in bench scale UV-AOT experiments using natural organic matter (NOM) fortified reagent water and tertiary treated wastewater effluent. Results suggest that the formation of formaldehyde increases in both the reagent water and wastewater matrices with increasing UV exposure and hydrogen peroxide concentrations, with overall higher concentrations of formaldehyde in the wastewater samples. No appreciable amount of formaldehyde formation was observed when UV was applied in the absence of hydrogen peroxide in both matrices tested.

Original languageEnglish (US)
Pages (from-to)25-29
Number of pages5
JournalJournal of Chromatography A
Volume1210
Issue number1
DOIs
StatePublished - Nov 7 2008
Externally publishedYes

Fingerprint

Solid Phase Microextraction
Waste Water
Gas chromatography
Gas Chromatography-Mass Spectrometry
Formaldehyde
Mass spectrometry
Wastewater
Fibers
Hydrogen Peroxide
Oxidation
Water
Acetone
Biological materials
Limit of Detection
Effluents

Keywords

  • Advanced oxidation treatment (AOT)
  • Formaldehyde
  • Gas chromatography-mass spectrometry (GC-MS)
  • Natural organic matter (NOM)
  • Solid-phase microextraction (SPME)
  • Ultraviolet (UV) treatment

ASJC Scopus subject areas

  • Analytical Chemistry
  • Organic Chemistry
  • Biochemistry

Cite this

Analysis of formaldehyde formation in wastewater using on-fiber derivatization-solid-phase microextraction-gas chromatography-mass spectrometry. / Trenholm, Rebecca A.; Rosario-Ortiz, Fernando L.; Snyder, Shane A.

In: Journal of Chromatography A, Vol. 1210, No. 1, 07.11.2008, p. 25-29.

Research output: Contribution to journalArticle

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