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Author |
Ziemkiewicz, P.F.; Skousen, J.G.; Skousen, J.G.; Ziemkiewicz, P.F. |
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Title |
Prevention of acid mine drainage by alkaline addition |
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Book Chapter |
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Year |
1996 |
Publication |
Acid mine drainage control and treatment |
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acid mine drainage; acidification; alkalinity; Appalachians; coal; land use; leachate; leaching; mines; mitigation; North America; oxidation; pollution; preventive measures; pyrite; reclamation; sampling; sedimentary rocks; soils; spoils; sulfides; surface water; techniques; United States; water pollution; water quality; water treatment; weathered materials; West Virginia 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
Place of Publication |
Morgantown |
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Prevention of acid mine drainage by alkaline addition; GeoRef; English; 2004-051146; Edition: 2 References: 18; illus. incl. 2 tables |
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Call Number |
CBU @ c.wolke @ 6356 |
Serial |
185 |
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Author |
Stewart, B.R. |
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Title |
The influence of fly ash additions on acid mine drainage production from coarse coal refuse |
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Book Whole |
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Year |
1996 |
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Keywords |
acid mine drainage; acidic composition; alkalic composition; alkalinity; ash; coal; controls; copper; diffusion; dissolved materials; experimental studies; geologic hazards; hydraulic conductivity; iron; leachate; leaching; manganese; metals; organic residues; oxidation; oxygen; pH; pollutants; pollution; sedimentary rocks; soil treatment; soils; sorption; sulfate ion; waste disposal; water quality 22, Environmental geology |
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Ph.D. thesis |
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Virginia Polytechnic Institute and State University, |
Place of Publication |
Blacksburg |
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The influence of fly ash additions on acid mine drainage production from coarse coal refuse; GeoRef; English |
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Call Number |
CBU @ c.wolke @ 6351 |
Serial |
230 |
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Author |
Younger, P.L.; Neal, C.; House, W.A.; Leeks, G.J.L.; Marker, A.H. |
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Title |
The longevity of minewater pollution; a basis for decision-making U.K. fluxes to the North Sea; Land Ocean Interaction Study (LOIS); river basins research, the first two years |
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Journal Article |
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Year |
1997 |
Publication |
The Science of the Total Environment |
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Volume |
194-195 |
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457-466 |
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acid mine drainage; acidic composition; acidification; Cornwall England; decision-making; degradation; discharge; England; Europe; Great Britain; hydrolysis; mines; planning; pollutants; pollution; remediation; retention; Scotland; soils; surface water; United Kingdom; Wales; waste disposal; water quality; Western Europe 22, Environmental geology |
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0048-9697 |
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The longevity of minewater pollution; a basis for decision-making U.K. fluxes to the North Sea; Land Ocean Interaction Study (LOIS); river basins research, the first two years; 1997-078352; Special issue References: 30; illus. Netherlands (NLD); GeoRef; English |
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Call Number |
CBU @ c.wolke @ 6259 |
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193 |
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Author |
Arango, I. |
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Title |
Evaluation of the beneficial effects of the acidophilic alga Euglena mutabilis on acid mine drainage systems |
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Book Whole |
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Year |
2002 |
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acid mine drainage atmospheric precipitation benthic taxa bioremediation dissolved materials dissolved oxygen electron microscopy data Euglena mutabilis Green Valley Mine ICP mass spectra Indiana iron mass spectra metals microorganisms mines oxygen pH photochemistry photosynthesis pollution rain remediation sediments soils spectra temperature United States Vigo County Indiana water 22, Environmental geology |
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Abstract |
Euglena mutabilis is an acidophilic, photosynthetic protozoan that forms benthic mats in acid mine drainage (AMD) channels. At the Green Valley mine, western Indiana, E. mutabilis resides in AMD measuring <4.2 pH, with high concentrations of dissolved constituents (up to 22.67 g/l). One of the main factors influencing E. mutabilis distribution is water temperature. The microbe forms thick (>1 mm), extensive mats during spring and fall, when water temperature is between 13 and 28 degrees C. During winter and summer, when temperatures are outside this range, benthic communities have a very patchy distribution and are restricted to areas protected from extreme temperature changes. E. mutabilis also responds to rapid increases in pH, which are associated with rainfall events. During these events pH can increase above 4.0, causing precipitation of Fe and Al oxy-hydroxides that cover the mats. The microbe responds by moving through the precipitates, due to phototaxis, and reestablishing the community at the sediment-water interface within 12 hours. The biological activities of E. mutabilis may have a beneficial effect on AMD systems by removing iron from effluent via oxygenic photosynthesis, and/or by internal sequestration. Photosynthesis by E. mutabilis contributes elevated concentrations of dissolved oxygen (DO), up to 17.25 mg/l in the field and up to 11.83 mg/l in the laboratory, driving oxidation and precipitation of reduced metal species, especially Fe (II), which are dissolved in the effluent. In addition, preliminary electro-microscopic and staining analyses of the reddish intracellular granules in E. mutabilis indicate that the granules contain iron, suggesting that E. mutabilis sequesters iron from AMD. Inductive coupled plasma analysis of iron concentration in AMD with and without E. mutabilis also shows that E. mutabilis accelerates the rate of Fe removal from the media. Whether iron removal is accelerated by internal sequestration of iron and/or by precipitation via oxygenic photosynthesis has yet to be determined. These biological activities may play an important role in the natural remediation of AMD systems. |
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Ph.D. thesis |
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Publisher |
Indiana State University, |
Place of Publication |
Terre Haute |
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Evaluation of the beneficial effects of the acidophilic alga Euglena mutabilis on acid mine drainage systems; GeoRef; English; References: 39; illus. incl. 3 tables |
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Call Number |
CBU @ c.wolke @ 16491 |
Serial |
476 |
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Author |
Barton, C.D.; Karathanasis, A.D. |
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Title |
Aerobic and anaerobic metal attenuation processes in a constructed wetland treating acid mine drainage |
Type |
Journal Article |
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Year |
1998 |
Publication |
Environ Geosci |
Abbreviated Journal |
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Volume |
5 |
Issue |
2 |
Pages |
43-56 |
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Keywords |
acid mine drainage aerobic environment anaerobic environment attenuation chemical fractionation chemical properties concentration constructed wetlands controls degradation detection environmental analysis ferric iron goethite heavy metals iron jarosite Kentucky McCreary County Kentucky metals oxides pollutants pollution seepage soils solubility sulfates surface water United States water treatment wetlands X-ray diffraction data 22, Environmental geology |
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1075-9565 |
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Aerobic and anaerobic metal attenuation processes in a constructed wetland treating acid mine drainage; 2001-034195; References: 41; illus. incl. 1 table United States (USA); GeoRef; English |
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Call Number |
CBU @ c.wolke @ 16623 |
Serial |
61 |
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