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Author (up) Sheoran, A.S.; Sheoran, V. url  openurl
  Title Heavy metal removal mechanism of acid mine drainage in wetlands: A critical review Type Journal Article
  Year 2006 Publication Minerals Engineering Abbreviated Journal  
  Volume 19 Issue 2 Pages 105-116  
  Keywords Acid mine drainage Metal removal mechanism Wetlands  
  Abstract Acid mine drainage (AMD) is one of the most significant environmental challenges facing the mining industry worldwide. Water infiltrating through the metal sulphide minerals, effluents of mineral processing plants and seepage from tailing dams becomes acidic and this acidic nature of the solution allows the metals to be transported in their most soluble form. The conventional treatment technologies used in the treatment of acid mine drainage are expensive both in terms of operating and capital costs. One of the methods of achieving compliance using passive treatment systems at low cost, producing treated water pollution free, and fostering a community responsibility for acid mine water treatment involves the use of wetland treatment system. These wetlands absorb and bind heavy metals and make them slowly concentrated in the sedimentary deposits to become part of the geological cycle. In this paper a critical review of the heavy metal removal mechanism involving various physical, chemical and biological processes, which govern wetland performance, have been made. This information is important for the siting and use of wetlands for remediation of heavy metals.  
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  Notes Heavy metal removal mechanism of acid mine drainage in wetlands: A critical review; Science Direct Approved no  
  Call Number CBU @ c.wolke @ 17252 Serial 41  
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