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Bates, M.H.; Veenstra, J.N.; Barber, J.; Bernard, R.; Karleskint, J.; Khan, P.; Pakanti, R.; Tate, M. |
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Physical-chemical treatment of acid-mine water from a superfund site |
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Year |
1990 |
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Journal of Environmental Systems |
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19 |
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3 |
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237-263 |
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mine water |
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0047-2433 |
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Physical-chemical treatment of acid-mine water from a superfund site; Isi:A1990dt04100004; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 9523 |
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464 |
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Author |
Brooks, R.P.; Unz, R.F.; Davis, L.K.; Tarutis, W.J.; Yanchunas, J. |
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Title |
Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands |
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Journal Article |
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Year |
1990 |
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147 |
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Keywords |
Acid mine drainage Wetlands Biological treatment Iron removal Manganese removal |
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A promising low-technology solution for treating acidic mine drainage (AMD) emanating from coal mined lands involves the use of constructed wetlands.^The research was directed at addressing questions about retention mechanisms for the long-term storage of iron and manganese in constructed wetlands dominated by broad-leaved cattails (Typha latifolia).^Three sites in central Pennsylvania spanning the range of water chemistry parameters found in AMD were investigated.^When the AMD was circumneutral, and metal loadings were low, 79% of the iron, and 48% of the manganese were retained on average.^In the highly acidic site (pH approx.^= 3), < 10% of the metal loadings were retained.^The primary retention mechanism appears to be the formation of metal oxides in the aerobic zones of the sediments.^Although most microbial isolates extracted from sediment cores originated in the aerobic portions of the sediments, there was no evidence that they were transforming metals.^When AMD is circumneutral and metal loadings are low, constructed wetlands can be an effective approach to treating mine drainage.^At sites with highly acidic waters and high metal loadings, the use of constructed wetlands to treat AMD may be ineffectual, and should be implemented with caution. |
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Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands; Springfield, Va. : NTIS; Opac |
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CBU @ c.wolke @ 7082 |
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435 |
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Author |
Kleinmann, R.L.P. |
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Title |
Biological treatment of acid mine water using engineered wetlands |
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Year |
1990 |
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Keywords |
acid mine drainage; biodegradation; natural resources; reclamation; surface water; wetlands 22, Environmental geology |
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Annual Meeting - Association of Engineering Geologists |
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Engineering geology for the 90's |
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1991-006081; Association of Engineering Geologists, 33rd annual meeting; Engineering geology for the 90's, Pittsburgh, PA, United States, Oct. 1-5; GeoRef; English |
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CBU @ c.wolke @ 6736 |
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329 |
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Author |
Kleinmann, R.L.P. |
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Title |
Acid Mine Water Treatment using Engineered Wetlands |
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Journal Article |
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Year |
1990 |
Publication |
Int. J. Mine Water |
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9 |
Issue |
1-4 |
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269-276 |
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Keywords |
wetlands AMD passive treatment pollution control water treatment abandoned mines biological treatment pH bacterial oxidation wetland sizing sphagnum |
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400 systems installed within 4 years During the last two decades, the United States mining industry has greatly increased the amount it spends on pollution control. The application of biotechnology to mine water can reduce the industry's water treatment costs (estimated at over a million dollars a day) and improve water quality in streams and rivers adversely affected by acidic mine water draining from abandoned mines. Biological treatment of mine waste water is typically conducted in a series of small excavated ponds that resemble, in a superficial way, a small marsh area. The ponds are engineered to first facilitate bacterial oxidation of iron; ideally, the water then flows through a composted organic substrate that supports a population of sulfate-reducing bacteria. The latter process raises the pH. During the past four years, over 400 wetland water treatment systems have been built on mined lands as a result of research by the U.S. Bureau of Mines. In general, mine operators find that the wetlands reduce chemical treatment costs enough to repay the cost of wetland construction in less than a year. Actual rates of iron removal at field sites have been used to develop empirical sizing criteria based on iron loading and pH. If the pH is 6 or above, the wetland area (in2) required is equivalent to the iron. load (grams/day) divided by 10. Theis requirement doubles at a pH of 4 to 5. At a pH below 4, the iron load (grams/day) should be divided by 2 to estimate the area required (in2). |
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0255-6960 |
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Acid Mine Water Treatment using Engineered Wetlands; 1; Fg; AMD ISI | Wolkersdorfer |
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Call Number |
CBU @ c.wolke @ 17368 |
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328 |
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Author |
Palmer, J.P. |
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Title |
Reclamation and Decontamination of Metalliferous Mining Tailings |
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Journal Article |
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Year |
1990 |
Publication |
Int. J. Mine Water |
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9 |
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1-4 |
Pages |
223-235 |
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Britain tailings metals land reclamation environmental damage ground water surface water Wales treatment options |
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Parts of Britain have large accumulations of metalliferous tailings derived from mining in the lath, 19th and 20th centuries. These tailings were never subject to land reclamation schemes at the time of mining and are situated very close to water courses. They cause considerable environmental damage in terms of contamination of soils, dust blow and pollution of water courses and groundwater. In some parts of the country mine drainage is a major part of river pollution. In recent years, particularly in Wales, efforts have been made to “clean up” these sites. This has involved using techniques to isolate and contain the spoil, diversion of water courses, and the installation of water treatment facilities and drainage and the establishment of a vegetation cover. Research is also being initiated to investigate ways of decontaminating these metalliferous spoils as an alternative to using covering systems to reclaim them. |
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0255-6960 |
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Reclamation and Decontamination of Metalliferous Mining Tailings; 1; FG 2 Abb., 3 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17405 |
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274 |
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