Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
권호 표지
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Odor Characteristics of Malodorous Sulfur-containing Gas Emitted from a Sewer and Its Outlets

하수관거 및 토구에서 발생하는 유황계 화합물 악취특성

  • Park, Sang Jin (Odor & VOC Research Center, Woosong University) ;
  • Kwon, Soo Youl (Department of Environmental Health, Korea National Open University)
  • 박상진 (우송대학교 악취VOCs연구센터) ;
  • 권수열 (한국방송통신대학교 환경보건학과)
  • Received : 2014.11.10
  • Accepted : 2014.12.23
  • Published : 2014.12.31
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Abstract

Objectives: This study was carried out to investigate the characteristics of odors emitted from sewage in a sanitary sewer and its outlets. Methods: The concentration of mal-odorous sulfur was analyzed by gas chromatograph, and odor intensity was estimated by an on-site sensory test. Odor intensity calculated from instrumental analysis results was compared with odor intensity observed at field. Results: As a results, the concentration of $H_2S$ ranged from 2.4 ppb to 5,889 ppb (average 703 ppb), while $CH_3SH$, $(CH_3)_2S$, and $(CH_3)_2S_2$ showed from 10 ppb to 554 ppb (average 119 ppb) and from 20 ppb to 332 ppb (average 70 ppb) and from 2.7 ppb to 8.1 ppb (average 5 ppb) individually. Average odor intensity observed in the field was degree three. Odor intensity calculated from sulfur compound concentration was confirmed as similar to the observed odor intensity because the coefficient of variance between the observed and the calculated intensities was less than one. Conclusion: It was expected that the results of this study will be helpful to design a deodorizing device to reduce odor emissions from sewerage facilities in the future.

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References

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