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Author |
Calabrese, J.P.; Sexstone, A.J.; Bhumbla, D.K.; Skousen, J.G.; Bissonnette, G.K.; Sencindiver, J.C. |
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Title |
Long-term study of constructed model wetlands for treatment of acid mine drainage |
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Book Chapter |
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Year |
1994 |
Publication |
Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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406 |
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Keywords |
acid mine drainage; alkalinity; biodegradation; field studies; iron; metals; models; monitoring; pH; pollution; reduction; remediation; sulfates; surface water; water quality; 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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Long-term study of constructed model wetlands for treatment of acid mine drainage; GeoRef; English; 2007-045256; 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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Call Number |
CBU @ c.wolke @ 6631 |
Serial |
426 |
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Author |
Brown, M.M.; Atkinson, K.; Wilkins, C. |
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Title |
Acid mine drainage amelioration by wetlands; study of a natural ecosystem |
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Book Chapter |
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Year |
1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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Pages |
406 |
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Keywords |
acid mine drainage; Cornwall England; England; Europe; field studies; Great Britain; pollution; remediation; surface water; United Kingdom; water quality; Western Europe; 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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Acid mine drainage amelioration by wetlands; study of a natural ecosystem; GeoRef; English; 2007-045255; 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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Call Number |
CBU @ c.wolke @ 6630 |
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431 |
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Author |
Davis, L.K. |
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Title |
Constructed wetlands handbook |
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Book Chapter |
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Year |
1994 |
Publication |
Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
Abbreviated Journal |
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Pages |
409 |
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Keywords |
acid mine drainage; constructed wetlands; mining geology; pollution; remediation; waste disposal; wetlands 22, Environmental geology |
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Series Title |
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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Call Number |
CBU @ c.wolke @ 6633 |
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406 |
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Author |
Hedin, R.S.; Watzlaf, G.R.; Nairn, R.W. |
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Title |
Passive treatment of acid-mine drainage with limestone |
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Journal Article |
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Year |
1994 |
Publication |
J. Environ. Qual. |
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23 |
Issue |
6 |
Pages |
1338-1345 |
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Carbonate ALD |
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Abstract |
The water treatment performances of two anoxic limestone drains (ALDs) were evaluated. Anoxic limestone drains are buried beds of Limestone that are intended to add bicarbonate alkalinity to flow-through acid mine drainage. Both ALDs received mine water contaminated with Fe2+ (216-279 mg L(-1)) and Mn (41-51 mg L(- 1)). Flow through the Howe Bridge ALD increased alkalinity by an average 128 mg L(-1) (CaCO3 equivalent) and Ca by 52 mg L(- 1), while concentrations of Fe, K, Mg, Mn, Na, and SO42- were unchanged. The Morrison ALD increased alkalinity by an average 248 mg L(-1) and Ca by 111 mg L(-1). Concentrations of K, Mg, Mn, and SO42- all decreased by an average 17%, an effect attributed to dilution with uncontaminated water. Iron, which decreased by 30%, was partially retained within the Morrison ALD. Calcite dissolution was enhanced at both sites by high P- CO2. Untreated mine waters at the Howe Bridge and Morrison sites had average calculated P-CO2 values of 6.39 kPa (10(- 1.20) atm) and 9.24 kPa (10(-1.04) atm), respectively. At both sites, concentrations of bicarbonate alkalinity stabilized at undersaturated values (SICalcite = 10(-1.2) at Howe Bridge and 10(-0.8) at Morrison) after flowing through approximately half of the limestone beds. Flow through the second half of each ALD had little additional effect on mine water chemistry. At the current rates of calcite solubilization, 17.9 kg d(-1) CaCO3 at Howe Bridge and 2.7 kg d(-1) CaCO3 at Morrison, the ALDs have theoretical effective lifetimes in excess of 20 yr. By significantly increasing alkalinity concentrations in the mine waters; both ALDs increased metal removal in downstream constructed wetlands. |
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0047-2425 |
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Notes |
Passive treatment of acid-mine drainage with limestone; 2; ISI:A1994PR00300029 als Datei vorhanden 3 Abb., 6 Tab.; VORHANDEN | AMD ISI | Wolkersdorfer |
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Call Number |
CBU @ c.wolke @ 17352 |
Serial |
354 |
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