석회석을 활용한 광미와 폐석의 Cd, Cu, Pb 및 Zn의 제거

  • 지한구 ((주)동명엔터프라이즈 토양지하수사업팀) ;
  • 정명채 (세명대학교 자원환경공학과) ;
  • 정문영 (세명대학교 자원환경공학과) ;
  • 최연왕 (세명대학교 토목공학과) ;
  • 이문현 ((주)동명엔터프라이즈 토양지하수사업팀) ;
  • 이재영 (서울시립대학교 환경공학과)
  • Published : 2005.04.01

Abstract

The objective of this study is to examine a stabilized efficiency of heavy metals including Cd, Cu, Pb and Zn using slaked lime. Tailings from the Janggun Pb-Zn mine, the second Yeonhwa Pb-Zn mine, the Jisi Au-Ag mine and the Sangdong W mine were sampled and measured heavy metal concentrations contents using AAS as various extraction methods. During 156 hours, column test were undertaken to evaluate the possibility of stabilization by slaked lime. The result shows that $Ca(OH)_2$ has a good efficiency in heavy metal stabilization, especially at the Jisi mine with stabilized efficiencies of 97%(Cd), 99%(Cu), 86%(Pb) and 99%(Zn), respectively.

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