Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Effect of Residual Chlorine on the Analysis of Geosmin and 2-MIB Using SPME (Solid Phase Microextraction)

SPME를 이용한 Geosmin과 2-MIB분석 시 잔류염소의 영향에 관한 연구

  • 김성진 (숭실대학교 환경.화학공학과) ;
  • 홍성호 (숭실대학교 환경.화학공학과) ;
  • 민달기 (가천길대학 환경시스템과 (문학향토보전회))
  • Received : 2005.06.08
  • Accepted : 2005.11.23
  • Published : 2005.12.15
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Abstract

SPME (Soild phase microextraction) has been used in the analysis of many volatile organic compounds, such as geosmin and 2-methylisoborneol (2-MIB), trihalomethanes (THMs) in drinking water. SPME fiber is characterized by high adsorption capacity (DVB/CAR/PDMS, DVB/PDMS etc.). Although the highly active adsorption capacities of the SPME fiber are often to the chemical functional group, surface properties play a significant role in determining the surface adsorption capacities. The objectives of this study were to evaluate effect of residual chlorine on analysis of geosmin and 2-MIB. Image taken by SEM before preloaded with chlorine, the surface and porous media was almost perfect spherical shape and no clogging of pores. However, after preloaded with chlorine the surface was aggregated and pore was blocked. The recovery rate of geosmin and 2-MIB coexisting with chlorine was reduced by 35 to 62%. The recovery rate with preloaded with chlorine was reduced by 25 to 43%. The lower concentration of geosmin and 2-MIB and the higher concentration of chlorine existed in water, the lower the recovery rate was.

Keywords

Acknowledgement

Supported by : 숭실대학교

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