Asian Journal of Atmospheric Environment

  • 제11권1호
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  • Pages.37-53
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  • 2017
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  • 1976-6912(pISSN)
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  • 2287-1160(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
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Performance of Air Fresher System for the Removal of Various Odorants Released from Foodstuffs

  • Kim, Ki-Hyun (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Adelodun, Adedeji A. (Department of Marine Science and Technology, School of Earth and Mineral Science, The Federal University of Technology) ;
  • Deep, Akash (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Kwon, Eilhann E. (Department of Environment and Energy, Sejong University) ;
  • Jeon, Eui-Chan (Department of Environment and Energy, Sejong University) ;
  • Kim, Yong-Hyun (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Jo, Sang-Hee (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Lee, Min-Hee (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Cho, Sung-Back (National Institute of Animal Science, Rural Development Administration) ;
  • Hwang, Ok-Hwa (National Institute of Animal Science, Rural Development Administration)
  • 투고 : 2016.12.11
  • 심사 : 2016.12.31
  • 발행 : 2017.03.31
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초록

The effectiveness of four air fresher (AF) systems was evaluated with respect to their removal efficiencies against offensive odorants. For this purpose, malodorous species were generated by exposing freshly cooked foods emitting odorants with levels moderately above their respective threshold values in a confined room. The deodorization efficiency of the four AF systems was then tested for a period of 30 min by estimating the extent of reduction in odorant levels after the operation of each AF. The removal efficiency of the four AF units against each odorant was evaluated as follows: (1) between AF products from different manufacturers, (2) between odorants and ultrafine particulate matter ($PM_{2.5}$), and (3) between operation and natural degassing. The average sorptive removal of odorants was generally <80% and considered less effective or non-effective relative to $PM_{2.5}$. Further examination of odor reduction, if evaluated in terms of odor indices like odor intensity (OI) and odor activity value (OAV), recorded a mean of 33% and 87%, respectively. The overall results of this study confirmed that all tested AF units were not effective to resolve odor problems created under our testing conditions.

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참고문헌

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