Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Environmental Cost and Benefit Analysis Pollutant Reduction Facilities of the using the Emergy

Emergy를 이용한 오염물질 저감시설의 환경 비용/편익 분석

  • Kim, Jin Lee (Water Pollution Management Research Division, National Institute of Environmental Research) ;
  • Hwang, Ha-Sun (Water Pollution Management Research Division, National Institute of Environmental Research) ;
  • Kim, Sang-Soo (Water Pollution Management Research Division, National Institute of Environmental Research) ;
  • Lee, Jae Kwan (Water Pollution Management Research Division, National Institute of Environmental Research)
  • 김진이 (국립환경과학원 수질총량연구과) ;
  • 황하선 (국립환경과학원 수질총량연구과) ;
  • 김상수 (국립환경과학원 수질총량연구과) ;
  • 이재관 (국립환경과학원 수질총량연구과)
  • Published : 2013.09.30
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Abstract

The input emergy of an advanced treatment plant for reducing the 1 kg of TN and TP was estimated 4.14E+14 sej/kg, 5.02E+15 sej/kg, respectively. In addition, the input emergy of constructed wetland for reduction of the 1 kg of TN and TP reduction was estimated to be 2.48E+14 sej/kg, 3.38E+15 sej/kg, respectively. The cost reducing 1 kg of TN and TP for an advanced treatment plant was estimated 197,466 won and 2,388,739 won respectively and constructed wetland was estimated 117,976 won and 1,609,213 won respectively. As a result, All of the emergy source of constructed wetland for reducing non-point source is renewable resource. If we use the constructed wetland, it results in enhancing economic value by reducing of non-point pollution, controlling a flood and providing the habitat of animals or plants. Improving water quality program in the Nakdong River Basin should be changed into an ecological treatment facilities from expansion of the sewage treatment facilities and advanced treatment plant using high cost and non-renewable energies.

Keywords

References

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