Economic and Environmental Geology (자원환경지질)

The Korean Society of Economic and Environmental Geology (대한자원환경지질학회)
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Studies for Neutralization Teratment of Acid Mine Drainage from Abandoned Mine

폐광산으로부터 유출되는 산성광산배수 중화처리를 위한 반응조 실험 연구

  • Kang, Han (Department of Earth and Environmental Sciences, Andong National University) ;
  • Park, Seong-Min (Department of Earth and Environmental Sciences, Andong National University) ;
  • Jang, Yun-Deug (Department of Geology, Kyungpook Notional University) ;
  • Kim, Jeong-Jin (Department of Earth and Environmental Sciences, Andong National University)
  • 강한 (안동대학교 지구환경과학과) ;
  • 박성민 (안동대학교 지구환경과학과) ;
  • 장윤득 (경북대학교 지질학과) ;
  • 김정진 (안동대학교 지구환경과학과)
  • Published : 2008.02.28
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Abstract

Two types of reactor were designed to neutralize acid mine drainage flow from closed mine. Limestone used as a neutralizer, which composed mainly of calcite with small amount of dolomite. In general, the effect of neutralization depended upon both the position of reaction and the amount of supply of neutralizer. It was observed that the neutralization was enhanced as the reaction with acid mine drainage occurred at the upper part of reactor with sufficient supply of neutralizer. When the reaction was sustained in upper part of the reactor, the neutralizer was not affected by precipitates and the reaction could last until all of neutralizer was consumed.

폐광산으로부터 유출되는 산성광산배수 중화처리를 위해 2가지 방법으로 반응조를 설계하여 실험을 실시하였다. 중화제로 사용한 물질은 방해석이 주 구성광물이여 소량의 돌로마이트를 포함한 석회암이다. 중화 효과는 중화제의 반응 위치와 양에 따라 다르게 나타난다. 반응조 상부에서 산성광산배수와 중화제를 반응 시킬 때 반응 효과가 더 좋으며 중화제의 양이 많을수록 중화되는 속도가 빠르다. 상부에서 중화제와 반응시킬 경우 산성광산배수로부터 침전되는 침전물의 영향을 거의 받지 않아 중화제가 전부 소모될 때까지 반응을 지속시킬 수 있다.

Keywords

References

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