Records |
Author |
Brown, M.; Barley, B.; Wood, H. |
Title |
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Type |
Book Whole |
Year |
2002 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
acid mine drainage acidic composition bioremediation case studies chemical composition chemical reactions coal mines concentration constructed wetlands discharge England Europe Great Britain ground water international cooperation ion exchange kinetics legislation mines mining open-pit mining physicochemical properties policy pollution regulations remediation Scotland sulfate ion surface mining surface water tailings techniques technology underground mining United Kingdom Wales waste disposal waste management waste rock water pollution water resources water treatment weathering Western Europe wetlands 22, Environmental geology |
Abstract |
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Corporate Author |
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Thesis |
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Publisher |
IWA Publishing |
Place of Publication |
London |
Editor |
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Language |
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Original Title |
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Series Editor |
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Series Title |
Minewater treatment; technology, application and policy |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
1843390043 |
Medium |
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Notes |
Minewater treatment; technology, application and policy; 2006-084782; GeoRef; English; Includes appendices References: 416; illus. |
Approved |
no |
Call Number |
CBU @ c.wolke @ 16503 |
Serial |
433 |
Permanent link to this record |
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Author |
Arango, I. |
Title |
Evaluation of the beneficial effects of the acidophilic alga Euglena mutabilis on acid mine drainage systems |
Type |
Book Whole |
Year |
2002 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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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 |
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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Thesis |
Ph.D. thesis |
Publisher |
Indiana State University, |
Place of Publication |
Terre Haute |
Editor |
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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 |
Approved |
no |
Call Number |
CBU @ c.wolke @ 16491 |
Serial |
476 |
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Author |
Anonymous |
Title |
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Type |
Book Whole |
Year |
1998 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
acid mine drainage; discharge; effluents; industrial waste; mines; mining; pollution; smelting; soils; surface water; tailings; toxic materials; waste disposal; waste management; water pollution; water treatment 22, Environmental geology |
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Publisher |
University of Concepcion |
Place of Publication |
Concepcion |
Editor |
Castro, S.H.; Vergara, F.; Sanchez, M.A.; University of Concepcion, D. of M.E.C. |
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Original Title |
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Series Title |
Effluent treatment in the mining industry |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
9562271560 |
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Conference |
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Notes |
Effluent treatment in the mining industry; 2002-047082; GeoRef; English; Individual chapters are cited separately illus. |
Approved |
no |
Call Number |
CBU @ c.wolke @ 6212 |
Serial |
481 |
Permanent link to this record |
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Author |
Rees, B. |
Title |
An overview of passive mine water treatment in Europe |
Type |
Journal Article |
Year |
2005 |
Publication |
Mine Water Env. |
Abbreviated Journal |
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Volume |
24 |
Issue |
1 |
Pages |
26-28 |
Keywords |
abandoned mines; Europe; ground water; mines; mining; pollutants; pollution; protection; surface water; water pollution; water quality; water treatment 22, Environmental geology |
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Edition |
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ISSN |
1025-9112 |
ISBN |
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Notes |
An overview of passive mine water treatment in Europe; 2007-023994; 1 table Federal Republic of Germany (DEU); GeoRef; English |
Approved |
no |
Call Number |
CBU @ c.wolke @ 5411 |
Serial |
19 |
Permanent link to this record |
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Author |
Coulton, R.H.; Williams, K.P. |
Title |
Active treatment of mine water; a European perspective |
Type |
Journal Article |
Year |
2005 |
Publication |
Mine Water Env. |
Abbreviated Journal |
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Volume |
24 |
Issue |
1 |
Pages |
23-26 |
Keywords |
abandoned mines; Europe; ground water; mines; mining; pollutants; pollution; protection; surface water; water pollution; water quality; water treatment 22, Environmental geology |
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Series Issue |
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Edition |
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ISSN |
1025-9112 |
ISBN |
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Area |
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Expedition |
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Conference |
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Notes |
Active treatment of mine water; a European perspective; 2007-023995; illus. incl. 3 tables Federal Republic of Germany (DEU); GeoRef; English |
Approved |
no |
Call Number |
CBU @ c.wolke @ 5412 |
Serial |
20 |
Permanent link to this record |