acid mine water

acid mine water

[′as·əd ′mīn ‚wȯd·ər]
(mining engineering)
Mine water with free sulfuric acid, due to the weathering of iron pyrites.
References in periodicals archive ?
Moreover, characteristics of the water extracted from coal samples in the laboratory clearly revealed that the coal seam had fair tendency to produce acid mine water.
Freely suspended on 430-m-long duplex steel pipes, they transport the acid mine water to the surface and then into the plant where the pH value is raised by adding lime to neutralize the acid and precipitate dissolved metals as hydroxides.
There are these reports on "direct discharge of tailings into rivers, periodic flooding and escape of acid mine water, collapse of tailings and waste rock piles, and contamination of soils and the food chain from heavy metals and other compounds.
Topics presented included Penn State research on plant nutrients; the uses of mushroom compost for field crops; for storm water basins and stream restoration projects; for abandon mine reclamation and acid mine water purification.
Tau, "Treatment of Acid Mine Water by Use of Heavy Metal Precipitation and Ion Exchange," Minerals Eng.
This sink hole is filled with turquoise colored acid mine water, tempting teenagers to sneak in and swim on a hot summer day.
So, the butte became a perpetual caldron for brewing metals-laden acid mine water that flows out and down the mountainside.
Microbes and sedimentation, microbial leaching of metals from ores, acid mine water pollution, and the microbial ecology of marine and freshwater habitats are covered.
1944) Precipitation of copper from an acid mine water.