Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Determination of Siloxanes in Biogas by Solid-phase Adsorption on Activated Carbon

  • Kim, Nack-Joo (Department of Fine Chemistry, Seoul National University of Science and Technology) ;
  • Chun, Seung-Kyu (Green Tech. Research Center, SUDOKWON Landfill Site Management Corp.) ;
  • Cha, Daniel K. (Department of Civil & Environmental Engineering, University of Delaware) ;
  • Kim, Cheal (Department of Fine Chemistry, Seoul National University of Science and Technology)
  • Received : 2013.04.01
  • Accepted : 2013.05.15
  • Published : 2013.08.20
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Abstract

The objective of this study was to develop a simple, less time-consuming and accurate sampling technique based on solid-phase sorption with activated carbon as the sorbents. The results from solid-phase sorption techniques were compared to that from a conventional solvent impinger-based technique to confirm the efficacy of the proposed method. The laboratory results indicated that the solid-phase sorption method was suitable for the determination of siloxanes as the measured concentrations were similar to that from a solvent impinge method. The data from solid-phase sorption method showed excellent recovery and reproducibility while the sampling was less labor intensive and less time consuming than the solvent impinge method. Following the laboratory tests, the solid-phase sorption technique was successfully applied to sampling biogas from a field site. This study shows that the activated carbon-based solid-phase sorption can be a reliable and less time-consuming option for the sampling and collection of siloxanes under various different landfill conditions.

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References

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