Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Evaluation of Pollutant Load Unit Factor for Calculating Pollutants Emission in Aquacultural Farms

양식계 오염원 배출량 산정을 위한 원단위 설정

  • Park, Jae Hong (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Park, Bae Kyoung (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Rhew, Doug Hee (Water Environment Research Department, National Institute of Environmental Research) ;
  • Lee, Jae Kwan (Water Pollution Load Management Research Division, National Institute of Environmental Research)
  • 박재홍 (국립환경과학원 수질총량연구과) ;
  • 박배경 (국립환경과학원 수질총량연구과) ;
  • 류덕희 (국립환경과학원 물환경연구부) ;
  • 이재관 (국립환경과학원 수질총량연구과)
  • Published : 2013.09.30
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Abstract

This research was conducted to investigate pollutant load unit factor from aquacultural farms. Pollutant load unit factors were investigated on the 13 kinds of fish type, i.e., Trout, Leather Carp, Eel, Carp, Cartfish, Freshwater Eel, Crucian Carp, Colored Carp, Sturgeon, Marsh Snail, Sweetfish, Pond Snail, Eriocheir Sinensis. Water qualities in aquacultural farms were investigated wide range of values by fish type and pollutant items. High BOD and COD values were observed at the Leather Carp (Ponded water system), Cartfish (Ponded water system) and Freshwater Eel (Recirculating System). TOC and DOC values were relatively high at the Freshwater Eel (Recirculating System) and Eriocheir Sinensis (Extensive). Eel (Ponded water system) and Freshwater Eel (Recirculating System) produced high concentrated nutrient pollutants, i.e., T-N, T-P. Pollutant load unit factors are dependent on fish type, aquacultural type, water quality items, etc. If some fishes have similar basic unit values, those could be applied for TMDLs as a group of fish having same pollutant load unit. The water quality concentrations of post treatment facilities' (mainly reservoir tank) effluent were higher than those of fish raising bath because of extracting pollutant from sediment in the reservoir tank. Therefore, it needs to the management and regulations about post treatment facilities.

Keywords

References

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