• A Study of Physicochemical treatment facility for Purifying the Mine Water in Dongwon Sabuk Mine., Ltd.
  • An, Jong-Man;Lee, Yong-Bok;Choi, Sang-Il;
  • Mine Reclamation Corp.;Department of Environmental Engineering, Kwangwon University;Department of Environmental Engineering, Kwangwon University;
  • (주)동원 사북광업소 갱내수 정화를 위한 물리화학처리시설에 대한 연구
  • 안종만;이용복;최상일;
  • 한국광해관리공단;광운대학교 환경공학과;광운대학교 환경공학과;
Abstract
As the target area of this study, the coal mine site of Dongwon Sabuk mine.,ltd. is located in the remote mountainous region. To purify the acid mine water contaminated with heavy metals, a pilot-scale plant was built at the surrounded area of a mine shaft and operated to simulate active treatment system that could not only possibly setup the facility in a small available area, but also has a high efficiency. According to the various conditions of basin sequence, existence of sludge return, and lime injection position, six different types of treatment series were investigated in terms of treatment efficiency. As a result, the aluminum concentrations of the most effluents were in the range of 0.005~0.030 mg/L, which was too low to compare. The manganese concentration in the treated water were in the range of 3~9 mg/L, not following any regular trend. As found in the results of iron concentration, the case of addition of oxidation and sludge return steps showed higher efficiency than the others. As a standpoint of the installation of full-scale physicochemical treatment facility, the experimental results showed that the batch of oxidation and high density sludge return processes are existed and neutralization was followed by oxidation, had a stable treatment efficiency.

Keywords: Physicochemical treatment facility;Oxidation pond;Neutralization pond;Reaction pond;Precipitation pond;

This Article

  • 2010; 15(4): 21-29

    Published on Aug 31, 2010

  • Received on Mar 12, 2010
  • Accepted on Jul 6, 2010

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