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Stabilization for Heavy Metal Contamination Soils which Uses the Coal Mine Drainage Sludge

폐 석탄광산 배수처리 시 발생되는 슬러지를 이용한 오염토양 중금속 안정화

  • Cui, Mingcan (Determent of Civil Environmental and Architecture, Korea University) ;
  • Lim, Jung-Hyun (Determent of Civil Environmental and Architecture, Korea University) ;
  • Son, Young-Gyu (Determent of Civil Environmental and Architecture, Korea University) ;
  • Jang, Min (Mine Reclamation Corporation) ;
  • Shim, Yon-Sik (Mine Reclamation Corporation) ;
  • Khim, Jee-Hyeong (Determent of Civil Environmental and Architecture, Korea University)
  • ;
  • 임정현 (고려대학교 건축사회환경공학과) ;
  • 손영규 (고려대학교 건축사회환경공학과) ;
  • 장민 (한국광해방지 관리공단) ;
  • 심연식 (한국광해방지 관리공단) ;
  • 김지형 (고려대학교 건축사회환경공학과)
  • Published : 2009.02.28

Abstract

In this study, to stabilize the heavy metal in the contaminated soils, the column leaching test based on rainfall and pH value was performed by using coal mine drainage sludge(CMDS): which was generated during electrical purification of abandoned coal mine wastewater. Four types of testing column were used in this study. That were the CMDS and the heavy metal contaminated soils well mixed in 0 wt%, 1 wt%, 3 wt% and 3 wt% layered column. According to the investigation, when the influent pH was $5.5{\sim}6.2$, there were no heavy metal elution at all conditions, and when the influent pH was $3{\sim}3.3$, the order of Cu, Zn, Pb, Cr elution concentration was 3 wt% M(mixed)<3 wt% S(separation)<1 wt% M<0 wt% and the average elution concentration was quite low, the value was 0.005 mg/L. Therefore, CMDS can used as new stabilizer of the heavy metal in the contaminated soils.

Keywords

CMDS;Heavy metal;Mixed ratio;pH

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Cited by

  1. Stabilization of Heavy Metal Contaminated Paddy Soils vol.12, pp.2, 2012, https://doi.org/10.9798/KOSHAM.2012.12.2.287