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A Study on Treatment of Acid Mine Drainage Using an Cow Manure and Spent Oak

우분과 참나무 폐목을 이용한 산성광산배수의 처리에 관한 연구

  • An, Jong-Man (Mine Reclamation Corp.) ;
  • Lee, Hyun-Ju (Mine Reclamation Corp.) ;
  • Kim, Ki-Ho (Department of Environmental Engineering, Kwangwon University) ;
  • Lee, Yong-Bok (Department of Environmental Engineering, Kwangwon University) ;
  • Choi, Sang-Il (Department of Environmental Engineering, Kwangwon University)
  • Received : 2011.02.08
  • Accepted : 2011.04.26
  • Published : 2011.04.30

Abstract

Although facilities for the passive treatment of AMD (Acid Mine Drainage) are currently operating in Korea, their removal efficiency for heavy metals is relatively low in average (only 80%). Passive treatment system is composed of oxidation tank, SAPS (Successive Alkalinity Producing System), and wetland. In the treatment system adopted in korea, SAPS (Successive Alkalinity Producing System) plays a major role to remove about 65% of heavy metals through a precipitation. However, the efficiency of SAPS is limited due to the use of mushroom compost (MC) as a organic material and of limestone as a neutralizer. Therefore, this research was performed to search for alternative organic materials through the field test. We tested two types of mixed organic materials: 1) cow manure and spent oak (herein, CO) and 2) cow manure and sawdust (herein, CS). For comparison mushroom compost (herein, MC) was also tested. The result showed that the average Fe removal efficiency was 91.38% with CO, 85.19% with CS, and 91.58% with MC. Thus, CO can be effectively used as an alternative of MC in the SAPS system for heavy metals removal.

Keywords

References

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