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Brooks, R.P.; Unz, R.F.; Davis, L.K.; Tarutis, W.J.; Yanchunas, J. |
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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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1990 |
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147 |
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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 ![sorted by Author field, ascending order (up)](img/sort_asc.gif) |
Davis, L. |
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A handbook of constructed wetlands: a guide to creating wetlands for: agricultural wastewater, domestic wastewater, coal mine drainage, stormwater in the Mid-Atlantic Region |
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1994 |
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0-16-052999-9 (*v. 1) 0-16-053000-8 (*v. 2) 0-16-053001-6 (*v. 3) 0-16-053002-4 (*v. 4) 0-16-053003- |
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A handbook of constructed wetlands: a guide to creating wetlands for: agricultural wastewater, domestic wastewater, coal mine drainage, stormwater in the Mid-Atlantic Region; Washington, DC: U.S. G.P.O., Supt. of Docs United States / Natural Resources Conservation Service; Opac |
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CBU @ c.wolke @ 16822 |
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407 |
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Author ![sorted by Author field, ascending order (up)](img/sort_asc.gif) |
Davis, L.K. |
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Constructed wetlands handbook |
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1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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409 |
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acid mine drainage; constructed wetlands; mining geology; pollution; remediation; waste disposal; wetlands 22, Environmental geology |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 2 of 4; Mine drainage |
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Constructed wetlands handbook; GeoRef; English; 2007-045261; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 |
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CBU @ c.wolke @ 6633 |
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406 |
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