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acid mine drainage process

How does mine drainage occur? - USGS

Mine drainage is formed when pyrite, an iron sulfide, is exposed and reacts with air and water to form sulfuric acid and dissolved iron Some or all of this iron can


Acid mine drainage - Life ETAD

All these processes greatly increase the processes of oxidation of pyrite, in this case being referred to acid mine drainage AMD or Acid Mine Drainage English


Acid mine drainage - Wikipedia

Acid mine drainage, acid and metalliferous drainage AMD, or acid rock drainage ARD is the Although a host of chemical processes contribute to acid mine drainage, pyrite oxidation is by far the greatest contributor A general equation for


What is Acid Mine Drainage

Acid Mine Drainage AMD is currently the main pollutant of surface water in the mid-Atlantic region AMD is caused when water flows over or through