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Author |
Fyson, A.; Nixdorf, B.; Steinberg, C.E.W. |
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Title |
Manipulation of the sediment-water interface of extremely acidic mining lakes with potatoes; laboratory studies with intact sediment cores Geochemical and microbial processes in sediments and at the sediment-water interface of acidic mining lakes |
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Book Chapter |
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Year |
1998 |
Publication |
Water, Air and Soil Pollution |
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353-363 |
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Keywords |
acid mine drainage; acidification; ammonium ion; Brandenburg Germany; Central Europe; concentration; dissolved materials; ecology; Europe; eutrophication; ferric iron; Germany; iron; lacustrine environment; Lusatia; mass balance; metals; nitrate ion; pollutants; pollution; pore water; remediation; sediment-water interface; sediments; surface water; titration; transport 22, Environmental geology |
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108 |
Editor |
Peiffer, S. |
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Manipulation of the sediment-water interface of extremely acidic mining lakes with potatoes; laboratory studies with intact sediment cores Geochemical and microbial processes in sediments and at the sediment-water interface of acidic mining lakes; GeoRef; English; 1999-021233; Conference on Geochemical and microbial processes in sediments and at the sediment-water interface of acidic mining lakes, Bayreuth, Federal Republic of Germany, Feb. 1997 References: 17; illus. |
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Call Number |
CBU @ c.wolke @ 6102 |
Serial |
21 |
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Author |
Cravotta, C.A., III; Watzlaf, G.R.; Naftz, D.L.; Morrison, S.J.; Fuller, C.C.; Davis, J.A. |
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Design and performance of limestone drains to increase pH and remove metals from acidic mine drainage Handbook of groundwater remediation using permeable reactive barriers; applications to radionuclides, trace metals, and nutrients |
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Book Chapter |
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Year |
2002 |
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acid mine drainage; alkaline earth metals; aquatic environment; aquifers; calcium; carbonate rocks; chemical properties; construction; construction materials; crushed stone; dissolved materials; drainage; effluents; ground water; limestone; magnesium; metals; pH; pollution; porous materials; precipitation; retention; saturation; sedimentary rocks; sulfate ion; suspended materials 22, Environmental geology |
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Academic Press |
Place of Publication |
Amsterdam |
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0125135637 |
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Design and performance of limestone drains to increase pH and remove metals from acidic mine drainage Handbook of groundwater remediation using permeable reactive barriers; applications to radionuclides, trace metals, and nutrients; GeoRef; English; 2004-040518; References: 66; illus. incl. 4 tables |
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Call Number |
CBU @ c.wolke @ 5686 |
Serial |
81 |
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Author |
Isaacson, A.E.; Jeffers, T.H. |
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Title |
Acid mine drainage remediation through applied water treatment systems Pollution prevention for process engineering |
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Book Chapter |
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Year |
1995 |
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acid mine drainage; acidification; aquifer vulnerability; aquifers; chemical reactions; discharge; dissolved materials; ground water; infiltration; ion exchange; leachate; metal ores; mining; mining geology; models; open-pit mining; pollutants; pollution; preventive measures; reclamation; remediation; soils; sulfides; surface mining; surface water; techniques; toxicity; uranium ores; waste water; water treatment 22, Environmental geology |
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Engineering Foundation |
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New York |
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Richardson, P.E.; Scheiner, B.J.; Lanzetta, F., Jr. |
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0939204533 |
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Acid mine drainage remediation through applied water treatment systems Pollution prevention for process engineering; GeoRef; English; 2000-063662; Engineering Foundation conference on Technical solution for pollution prevention in the mining and mineral processing industries, Palm Coast, FL, United States, Jan. 22-27, 1995 illus. |
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CBU @ c.wolke @ 6450 |
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344 |
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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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Abbreviated Journal |
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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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CBU @ c.wolke @ 6351 |
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230 |
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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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Keywords |
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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Notes |
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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no |
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Call Number |
CBU @ c.wolke @ 16491 |
Serial |
476 |
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