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Rees, B.; Bowell, R.; Dey, M.; Williams, K. |
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Title |
Passive treatment; a walk away solution? |
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Journal Article |
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2001 |
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Mining Environmental Management |
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9 |
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2 |
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7-8 |
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acid mine drainage; acidification; alkalinity; bacteria; bioremediation; buffers; chemical reactions; cost; effluents; ferric iron; ferrous iron; filtration; ground water; hydrolysis; iron; metals; monitoring; oxidation; permeability; pH; pollution; remediation; substrates; sulfate ion; suspended materials; water management; water pollution; water quality; water treatment; wetlands 22, Environmental geology |
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0969-4218 |
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Passive treatment; a walk away solution?; 2001-050826; References: 3; illus. United Kingdom (GBR); GeoRef; English |
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CBU @ c.wolke @ 5722 |
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265 |
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Perry, A.; Kleinmann, R.L.P. |
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Title |
The use of constructed wetlands in the treatment of acid mine drainage |
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Journal Article |
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Year |
1991 |
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Natural Resources Forum |
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15 |
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3 |
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178-184 |
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quality standard water treatment constructed wetland pond system acid mine drainage USA 1 Geography |
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Abstract |
US government regulations require that all effluents from industrial operations, including mining, meet certain water quality standards. Constructed wetlands have proven to be useful in helping to attain those standards. Application of this biotechnology to mine water drainage can reduce water treatment costs and improve water quality in streams and rivers adversely affected by acidic mine water drainage from abandoned mines. Over 400 constructed wetland water treatment systems have been built on mined lands largely as a result of research by the US Bureau of Mines. Wetlands are passive biological treatment systems that are relatively inexpensive to construct and require minimal maintenance. Chemical treatment costs are reduced sufficiently to repay the cost of construction in less than a year. The mine waste water is typically treated in a series of excavated ponds that resemble small marsh areas. The ponds are engineered to facilitate bacterial oxidation of iron. Ideally, the water then flows through a composted organic substrate supporting a population of sulphate-reducing bacteria which raises the pH. Constructed wetlands in the US are described – their history, functions, construction methodologies, applicabilities, limitations and costs. -Authors |
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US Department of the Interior, Bureau of Mines, 2401 E Street, NW Washington, DC 20241, USA |
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The use of constructed wetlands in the treatment of acid mine drainage; (0895945); 92h-01979; Using Smart Source Parsing pp; Geobase |
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CBU @ c.wolke @ 17569 |
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272 |
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Noss, R.R.; Crago, R.W.; Gable, J.; Kerber, B.; Mafi, S. |
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Title |
Use of flue gas desulfurization sludge in abandoned mine land reclamation |
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1997 |
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abandoned mines; acid mine drainage; flue gas desulfurization sludge; land management; land use; liquid waste; mines; mining; mining geology; moisture; pH; pollution; reclamation; remediation; soils; strip mining; surface mining; waste disposal 22, Environmental geology |
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The Ohio Journal of Science |
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Ohio Academy of Science 106th annual meeting; progress toward water quality in the Lake Erie basin; abstracts |
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1999-043696; Ohio Academy of Science 106th annual meeting, Bowling Green, OH, United States, April 4-6, 1997; GeoRef; English |
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CBU @ c.wolke @ 6302 |
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282 |
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Niyogi, D.K.; McKnight, D.M.; Lewis, W.M., Jr.; Kimball, B.A. |
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Title |
Experimental diversion of acid mine drainage and the effects on a headwater stream |
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Journal Article |
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1999 |
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Water-Resources Investigations Report |
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Wri 99-4018-A |
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123-130 |
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abandoned mines acid mine drainage algae benthonic taxa biomass biota Colorado experimental studies heavy metals Lake County Colorado Leadville Colorado metals mines pH Plantae pollution remediation Saint Kevin Gulch Colorado tracers United States USGS water zinc |
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Abstract |
An experimental diversion of acid mine drainage was set up near an abandoned mine in Saint Kevin Gulch, Colorado. A mass-balance approach using natural tracers was used to estimate flows into Saint Kevin Gulch. The diversion system collected about 85 percent of the mine water during its first year of operation (1994). In the first 2 months after the diversion, benthic algae in an experimental reach (stream reach around which mine drainage was diverted) became more abundant as water quality improved (increase in pH, decrease in zinc concentrations) and substrate quality changed (decrease in rate of metal hydroxide deposition). Further increases in pH to levels above 4.6, however, led to lower algal biomass in subsequent years (1995-97). An increase in deposition of aluminum precipitates at pH greater than 4.6 may account for the suppression of algal biomass. The pH in the experimental reach was lower in 1998 and algal biomass increased. Mine drainage presents a complex, interactive set of stresses on stream ecosystems. These interactions need to be considered in remediation goals and plans. |
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0092-332x |
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Experimental diversion of acid mine drainage and the effects on a headwater stream; 2; GeoRef: 2001-017199 als Datei vorhanden 4 Abb.; VORHANDEN | AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17398 |
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286 |
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McConchie, D.M.; Clark, M.; Hanahan, C.; Baun, R. |
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Title |
New treatments for the old problems of acid mine drainage and sulphidic mine tailings storage |
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2000 |
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acid mine drainage; ash; carbonate rocks; clastic sediments; construction materials; crushed stone; hydroxides; iron hydroxides; iron oxides; mines; mud; oxides; pH; pollution; reclamation; red mud; remediation; sea water; sedimentary rocks; sediments; storage; sulfides; tailings; waste management 22, Environmental geology |
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Programme & Abstracts - International Symposium on Environmental Geochemistry (ISEG), vol.5 |
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5th international symposium on Environmental geochemistry; conference abstracts and scientific programme |
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2006-033067; 5th international symposium on Environmental geochemistry, Cape Town, South Africa, April 2004; GeoRef; English |
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CBU @ c.wolke @ 5858 |
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304 |
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