한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제27권3호
  • /
  • Pages.249-256
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  • 2010
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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수생식물을 이용한 엔도설판(${\alpha},\;{\beta}$) 및 페니트로치온의 제거

Phytoremediation of the pesticides, endosulfan (${\alpha}$ and ${\beta}$) and fenitrothion, using aquatic plants

  • 김종향 (경상남도 보건환경연구원) ;
  • 이방희 (경상남도 보건환경연구원) ;
  • 허종수 (경상남도 보건환경연구원) ;
  • 이근선 (경상남도 보건환경연구원) ;
  • 고성철 (한국해양대학교 환경공학과)
  • Kim, Jong-Hyang (Institute of Health and Environment, Gyeongnam Provincial Government) ;
  • Lee, Bang-Hee (Institute of Health and Environment, Gyeongnam Provincial Government) ;
  • Hur, Jong-Sou (Institute of Health and Environment, Gyeongnam Provincial Government) ;
  • Lee, Geun-Seon (Institute of Health and Environment, Gyeongnam Provincial Government) ;
  • Koh, Sung-Cheol (Dept. of Environmental Engineering, Korea Maritime University)
  • 투고 : 2010.05.24
  • 심사 : 2010.09.20
  • 발행 : 2010.09.30
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초록

A phytoremediation study has been conducted to see if some known aquatic plants can remove the pesticides, endosulfan-${\alpha},\;{\beta}$ and fenitrothion which are frequently used in the crop protection and golf course management, and are likely to exist as residual pollutants in the aquatic ecosystems. Among the five aquatic plants tested in the microcosms, water lily Nymphaea tetragona Georgi showed the highest degradation efficacies (85~95%) for the three pesticides as opposed to the control(13~26%). The efficacies for the other plants were in the range of 46~80% in the order of Pistia stratiotes, Cyperus helferi, Eichhornia crassipes, and Iris pseudoacorus. Fenitrothion, an organo-phosphorus pesticide, was much more vulnerable to the phytoremediation than the organo-chlorine pesticides, endosulfan-${\alpha}$ and endosulfan-${\beta}$. The kinetic rate constants ($min^{-1}$) for removal of the three pesticides were more than 10 times higher than the control (non-planting) in case of Nymphaea tetragona Georgi. This aquatic plant showed kinetic rate constants about 2 times as much as the lower kinetic rate constants shown by Iris pseudoacorus. The reason for the highest degradation efficacy of water lily would be that the plant can live in the sediment and possess roots and broad leaves which could absorb or accumulate and degrade more pollutants in association with microbes. These results indicate that some of the selected aquatic plants planted near the agricultural lands and wetlands could contribute to remediation of pesticides present in these places, and could be applicable to protection of the aquatic ecosystems.

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참고문헌

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