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Author |
Wiseman, I. |
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Title |
Constructed wetlands for minewater treatment |
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RPT |
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Year |
2002 |
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Pages |
125 |
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Keywords |
Sewage Ecology Constructed wetlands — Wales Mineral industries — Waste disposal Mine water Water quality management — Wales Pelenna minewaters Water pollution & oil pollution Hydrology & limnology |
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Environment Agency |
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Bristol, England |
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Constructed wetlands for minewater treatment; Opac |
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Call Number |
CBU @ c.wolke @ 7122 |
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207 |
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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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Thesis |
Ph.D. thesis |
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Publisher ![sorted by Publisher field, ascending order (up)](img/sort_asc.gif) |
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 |
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476 |
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Author |
Brown, M.; Barley, B.; Wood, H. |
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Book Whole |
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2002 |
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500 pp |
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Keywords |
minewater treatment case studies wetlands passive treatment active treatment |
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Much work has been carried out in recent decades concerning minewater treatment, both in the UK and worldwide. Many different bodies and organizations are involved in developing minewater treatment processes and schemes. Minewater Treatment addresses the need for a single source of state-of-the-art information that draws all the latest research material together. Key features of the book include: a full literature review of minewater treatment throughout the world; an overview of relevant legislation and policy in a global context; a review of currently available methods for treating minewater worldwide; a site specific inventory of minewater treatment schemes within the UK, including compilation of available monitoring data and assessment of performance; a review of emerging and innovative minewater treatment technologies and consideration of related academic research within the UK; a comprehensive list of active and innovative minewater treatment technologies that are not currently compiled in a book or other review publication; a detailed summary and recommendations section assessing the applicability, efficiency and cost-effectiveness of minewater treatment schemes. Relevant scientific subject matter is presented in a concise, easily accessible manner to assist with the objective assessment of the progress made to date. Heavily illustrated with many colour photographs, the book allows best use to be made of the collective experience of minewater treatment practitioners throughout the UK, whilst at the same time placing the UK experience within a global context. An invaluable reference work for mining companies, consultants, planning officers, environmental research scientists, environmental agencies, water utilities and regulatory bodies, Minewater Treatment is a definitive source of information on minewater treatment technologies and will help facilitate the selection of the most appropriate technique required to tackle particular minewater discharge problems. Contents 1. The mine water problem 2. Treatment options 3. Existing sites in the UK: Case studies 4. Existing sites in the UK: Site summaries 5. Summary & conclusions |
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Publisher ![sorted by Publisher field, ascending order (up)](img/sort_asc.gif) |
IWA Publishing |
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London |
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Series Title |
Minewater Treatment – Technology, Application and Policy |
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1-843-39004-3 |
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Minewater Treatment – Technology, Application and Policy; 1; AMD ISI | Wolkersdorfer; FG zahlr. Abb., zahlr. Tab. |
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CBU @ c.wolke @ 17317 |
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432 |
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Author |
Brown, M.; Barley, B.; Wood, H. |
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Book Whole |
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Year |
2002 |
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Abbreviated Journal |
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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 |
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Publisher ![sorted by Publisher field, ascending order (up)](img/sort_asc.gif) |
IWA Publishing |
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London |
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Series Title |
Minewater treatment; technology, application and policy |
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1843390043 |
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Minewater treatment; technology, application and policy; 2006-084782; GeoRef; English; Includes appendices References: 416; illus. |
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Call Number |
CBU @ c.wolke @ 16503 |
Serial |
433 |
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Permanent link to this record |
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Author |
Younger, P.L.; Banwart, S.A.; Hedin, R.S. |
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Book Whole |
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Year |
2002 |
Publication |
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Abbreviated Journal |
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Pages |
464 pp |
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Keywords |
mine water hydrology |
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Abstract |
Nowhere is the conflict between economic progress and environmental quality more apparent than in the mineral extraction industries. The latter half of the 20th century saw major advances in the reclamation technologies. However, mine water pollution problems have not been addressed. In many cases, polluted mine water long outlives the life of the mining operation. As the true cost of long-term water treatment responsibilities has become apparent, interest has grown in the technologies that would decrease the production of contaminated water and make its treatment less costly. This is the first book to address the mine water issue head-on. The authors explain the complexities of mine water pollution by reviewing the hydrogeological context of its formation, and provide an up-to-date presentation of prevention and treatment technologies. The book will be a valuable reference for all professionals who encounter polluted mine water on a regular or occasional basis. Foreword; R. Fernández Rubio. Preface. 1. Mining and the Water Environment. 2. Mine Water Chemistry. 3. Mine Water Hydrology. 4. Active Treatment of Polluted Mine Waters. 5. Passive Treatment of Polluted Mine Waters |
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Publisher ![sorted by Publisher field, ascending order (up)](img/sort_asc.gif) |
Kluwer |
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Dordrecht |
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Series Title |
Mine Water – Hydrology, Pollution, Remediation |
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1-4020-0137-1 |
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Notes |
Mine Water – Hydrology, Pollution, Remediation; 1; AMD ISI | Wolkersdorfer |
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Call Number |
CBU @ c.wolke @ 17449 |
Serial |
195 |
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Permanent link to this record |