Analysis of Volatile Organic Compounds by GC/MS with the Thermal Desorber and Characterization of the Major Components Attributing to Malodor -An Analytical Example of the Odor Emitted from the Compost of Food Waste-

흡착 열탈착 장치와 GC/MS를 이용한 휘발성 유기화합물의 분석과 악취원인 성분의 예측 - 음식물 퇴비화 과정에서 발생되는 악취분석의 예 -

  • Yu, Mee-Seon (School of Biological & Chemistry, University of Ulsan) ;
  • Yang, Sung-Bong (School of Biological & Chemistry, University of Ulsan) ;
  • Ahn, Jeong-Soo (School of Biological & Chemistry, University of Ulsan)
  • 유미선 (울산대학교 자연과학대학 화학생명과학부) ;
  • 양성봉 (울산대학교 자연과학대학 화학생명과학부) ;
  • 안정수 (울산대학교 자연과학대학 화학생명과학부)
  • Received : 2001.11.09
  • Published : 2002.02.25

Abstract

The simultaneous analysis of the odorous compounds designated by law in Korea and Japan was examined with the thermal desorber gas chromatography-mass spectrometry using one column. The approximate concentrations of trimethyl amine, acetaldehyde, methyl mercaptan and dimethyl sulfide were estimated. Styrene, dimethyl disulfide, propionaldehyde, n-butyl aldehyde, i-butyl aldehyde, n-valeraldehyde, i-valeraldehyde, ethyl acetate, toluene, xylene, methyl i-butyl ketone and i-butanol were detected at concentrations of the detection limits of their threshold values. As a typical example of simultaneous analysis of the odorous compounds, the volatile organic compounds emitted from compost procedure of food waste were concentrated and analyzed with thermal desorber/GC/MSD, and major malodorous compounds were estimated from the concentrations and threshold values of the detected components. From the result of analysis, 34 compounds were confirmed and among them, trimethyl amine, i-valeraldehyde, methyl mercaptan, methyl allyl sulfide, dimethyl sulfide, acetaldehyde, ethanol, n-butyaldehyde were expected to attribute to the odor in order of strength.

Keywords

odor analysis;VOCs;compost of food waste;odorous compunds designated by law

Acknowledgement

Supported by : 울산대학교

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