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Generation and Prevention of Acid Drainage from Mining Wastes in a Uranium Deposit

  • Marina Nicolova
  • Irena Spasova
  • Plamen Georgiev
  • Stoyan Groudev
Part of the Springer Geology book series (SPRINGERGEOL)

Abstract

A rich-in-pyrite dump of mining wastes located in the uranium deposit Curilo, Bulgaria, was after natural precipitations a source of heavily polluted acid drainage waters. The generation of these waters was connected with the activity of the indigenous chemolithotrophic bacteria which oxidized the pyrite, other sulfides and tetravalent uranium present in the mining wastes. Different variants of covers with an alkaline or neutral pH and containing biodegradable organic substrates were constructed on the surface and in the top layers of the dump and were tested for their ability to prevent the generation of acid drainage waters.

Keywords

Mining Waste Uranium Deposit Acidithiobacillus Ferrooxidans Anaerobic Zone Acid Drainage 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Marina Nicolova
    • 1
  • Irena Spasova
    • 1
  • Plamen Georgiev
    • 1
  • Stoyan Groudev
    • 1
  1. 1.University of Mining and GeologySofiaBulgaria

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