한국지하수토양환경학회지:지하수토양환경 (Journal of Soil and Groundwater Environment)

  • 제18권5호
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  • Pages.46-55
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  • 2013
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  • 1598-6438(pISSN)
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  • 2287-8831(eISSN)
한국지하수토양환경학회 (Korean Society of Soil and Groundwater Environment)
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대남광산 농경지 토양 내 중금속 특성에 따른 물리적 선별 처리효율에 관한 연구

A Study on the Removal Efficiency of Heavy Metals in Daenam Mine Agricultural Soil Using Heavy metal Properties by Physical separation

  • 박찬오 (한국광물자원공사 기술연구원) ;
  • 홍동호 (한국광물자원공사 기술연구원) ;
  • 이재영 (서울시립대학교 환경공학과) ;
  • 이영재 (고려대학교 지구환경과학과) ;
  • 이진수 (한국광해관리공단 광해기술연구소)
  • ParK, Chan Oh (Institute of Technology Research, korea Resources Corporation) ;
  • Hong, Dong-Ho (Institute of Technology Research, korea Resources Corporation) ;
  • Lee, Jai-Young (Department of Environmental Engineering, The University of Seoul) ;
  • Lee, Young Jae (Department of Earth & Environmental Sciences, Korea University) ;
  • Lee, Jin-Soo (Institute of Mine Reclamation Technology, Mine Reclamation Corporation)
  • 투고 : 2013.09.24
  • 심사 : 2013.10.28
  • 발행 : 2013.10.31
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초록

The main objective was to evaluate the efficiencies of different separation techniques, such as gravity separation, magnetic separation, and aerial separation. Zinc and cadmium removal efficiencies by gravity separation and magnetic separation were 28.3~29.3% and 19.1%, respectively, and were higher than the efficiency obtained by aerial separation. Results showed that the combination of gravity separation and magnetic separation in series which was to maximize the removal efficiencies gave removal efficiency of 21.5~38.7% for zinc and 22.1~23.4% for cadmium. The mass of soil meeting the regulation standards for zinc and cadmium after retrieval from the combined separation process accounted for approximately 80% of the treated soil that would be reusable without the pre-treatment procedure as the neutralization process using in the soil washing method. Physical separation techniques utilizing heavy metal properties are the alternative method to remediate heavy-metal contaminated soils in environmental and economic aspects.

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참고문헌

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