Journal of Environmental Impact Assessment (환경영향평가)

Korean Society of Environmental Impact Assessment (한국환경영향평가학회)
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A Study on Plant Effects on Decontamination of Polluted Indoor Air with Formaldehyde

포름알데히드로 오염된 실내공기의 정화에 미치는 식물효과에 관한 연구

  • 박소영 ((주) 오이코스 환경기술연구소) ;
  • 김정 (수원대학교 환경공학과) ;
  • 장영기 (수원대학교 환경공학과) ;
  • 성기준 (부경대학교 환경시스템공학부)
  • Received : 2005.04.19
  • Accepted : 2005.07.04
  • Published : 2005.08.31
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Abstract

This study was designed to investigate the effect of plant as a botanical air purification on the indoor pollution by formaldehyde. Three indoor plants such as Dracaena marhginata, Spathiphyllum and Dracaena reflexa, were placed in the artificially contaminated reactor under laboratory condition. Both plant and soil effects on removal of formaldehyde from contaminated indoor air were observed. Reductions in the formaldehyde levels appeared to have been associated with soil medium factors as well as plant factors. The effect of soil on formaldehyde reduction was high in the early stage of the experiment and the results suggest that sorption could be more important factor than microbial degradation in the initial dissipation of contaminants in the soil. It was suggested that the effect of plant on formaldehyde reduction might be related to the plant species, total leaf surface area of plant, degree of contribution of soil medium, and exposed concentration level. The results of this study showed that air purification using plants is an effective means of reduction on indoor formaldehyde level, though, utilization of soil media with high sorption capacity and/or supplementary purifying aids were also suggested when the source is continuous or exposed concentration level is high.

Keywords

References

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