Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Removal of 2,4,6-trinitrotoluene(TNT) by Indigenous Grasses, Abutilon Avicennae and Aeschynomene Indica, in Hydroponic Culture

토착 야초류(어저귀, 자귀풀)의 수경재배를 이용한 2,4,6-trinitrotoluene(TNT) 분해 연구

  • Kwon, Young-seok (Department of Civil & Environmental Engrg. Yonsei University) ;
  • Kim, Dong-ill (Department of Civil & Environmental Engrg. Yonsei University) ;
  • Choung, Youn-kyoo (Department of Civil & Environmental Engrg. Yonsei University) ;
  • Bae, Bum-han (Department of Civil & Environmental Engrg. Kyungwon University) ;
  • Lee, In-sook (Department of Biological Science, Ewha Womans University) ;
  • Chang, Yoon-young (Department of Environmental Engrg Kwangwoon University)
  • 권영석 (연세대학교 토목공학과) ;
  • 김동일 (연세대학교 토목공학과) ;
  • 정연규 (연세대학교 토목공학과) ;
  • 배범한 (경원대학교 토목환경공학과) ;
  • 이인숙 (이화여자대학교 생물과학과) ;
  • 장윤영 (광운대학교 환경공학과)
  • Published : 2004.01.30
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Abstract

In this study, uptake and translocation of 2,4,6-trinitrotoluene(TNT) by plant in a hydroponic culture was quantified with two indigenous plant species, Aeschynomene indica and Abutilon avicennae on various initial concentrations of TNT ranging from 20 to 80 mgTNT/L. Experiments were sterilized to exclude the activity of microorganisms and conducted in duplicate. Weight loss of two plant species in added TNT culture media was higher than in control. At over 2OmgTNTIL, there appeared to be phytotoxicity from TNT as indicated by severe yellow-chlorosis and increase of falling leaves. TNT removal rate normalized(K) to the plant fresh weight of Abutilon avicennae and Aeschynomene indica was that the higher TNT concentrations resulted in lower TNT removal rate normalized(K) to the plant fresh weight. Approximately 96% of the TNT in viable microflora-hydroponic culture was removed after 96h of the experiments.

Keywords

References

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