acid mine drainage

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acid mine drainage

[′as·əd ′mīn ‚drā·nij]
(mining engineering)
Drainage from bituminous coal mines containing a large concentration of acidic sulfates, especially ferrous sulfate.
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PHOENICS is adapted for modeling of oxygen diffusion and acid rock drainage, especially in waste dump.
Massimi, Soil stabilization of soluble mine waste, to be presented at the 6th International Conference 2003 Acid Rock Drainage, Australia, (2003).
The main environmental issues associated with the industry include greenhouse gas emission, energy consumption, water use and recycling, metal leaching and acid rock drainage (ARD), and the geotechnical stability of large volumes of solid wastes.
Daniels WL, Orndorff ZW (2003) Acid rock drainage from highway and construction activities in Virginia, USA.
e) To mitigate, and if possible prevent, the formation of acid rock drainage. The primary objective is to prevent the formation of acid rock drainage.
(This is in contrast to acidity that is produced as a result of weathering of mineralized rock that has not been mined, called "acid rock drainage" by the mining industry.) In short, AMD is acidic water, in the worst cases so acidic as to dissolve metal tools.
But perhaps the most potentially devastating environmental problem arising from the mine is the prediction of acid rock drainage that could mobilise highly toxic forms of copper and poison the river.
David Blowes, a professor at the University of Waterloo, who was nominated for his extensive research and scientific contributions in the field of geochemistry and acid rock drainage, and Mr John Morgan, a mining engineer and consultant, who was nominated for his fundamental work in the area of surface reclamation in the coal industry.
As a result, Canada is now a world leader in the field of acid rock drainage, making an important contribution to protecting the environment and human health.