| Records |
| Author |
Ye, Z.H.; Whiting, S.N.; Qian, J.H.; Lytle, C.M.; Lin, Z.Q.; Terry, N. |
| Title |
Trace element removal from coal ash leachate by a 10-year-old constructed wetland |
Type |
Journal Article |
| Year |
2001 |
Publication |
J. Environ. Qual. |
Abbreviated Journal |
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| Volume |
30 |
Issue |
5 |
Pages |
1710-1719 |
| Keywords |
acid mine drainage; Alabama; ash; bioaccumulation; boron; cadmium; constructed wetlands; environmental analysis; environmental effects; iron; Jackson County Alabama; Juncus effusus; leachate; manganese; metals; pH; pollutants; pollution; remediation; soils; sulfur; trace elements; Typha latifolia; United States; vegetation; waste water; wetlands; Widows Creek; Widows Creek Steam Plant; zinc; Typha; Juncus 22, Environmental geology |
| Abstract |
This study investigated the ability of a 10-yr-old constructed wetland to treat metal-contaminated leachate emanating from a coal ash pile at the Widows Creek electric utility, Alabama (USA). The two vegetated cells, which were dominated by cattail (Typha latifolia L.) and soft rush (Juncus effusus L.), were very effective at removing Fe and Cd from the wastewater, but less efficient for Zn, S, B, and Mn. The concentrations were decreased by up to 99% for Fe, 91% for Cd, 63% for Zn, 61% for S, 58% for Mn, and 50% for B. Higher pH levels (>6) in standing water substantially improved the removing efficiency of the wetland for Mn only. The belowground tissues of both cattail and soft rush had high concentrations of all elements; only for Mn, however, did the concentration in the shoots exceed those in the belowground tissues. The concentrations of trace elements in fallen litter were higher than in the living shoots, but lower than in the belowground tissues. ne trace element accumulation in the plants accounted for less than 2.5% of the annual loading of each trace element into the wetland. The sediments were the primary sinks for the elements removed from the wastewater. Except for Mn, the concentrations of trace elements in the upper layer (0-5 cm) of the sediment profile tended to be higher than the lower layers (5-10 and 10-15 cm). We conclude that constructed wetlands are still able to efficiently remove metals in the long term (i.e., >10 yr after construction). |
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0047-2425 |
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Aug 1; Trace element removal from coal ash leachate by a 10-year-old constructed wetland; 2002-017274; References: 33; illus. incl. 2 tables United States (USA); file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/5703.pdf; GeoRef; English |
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CBU @ c.wolke @ 5703 |
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76 |
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Cravotta, C.A., III; Watzlaf, G.R.; Naftz, D.L.; Morrison, S.J.; Fuller, C.C.; Davis, J.A. |
| Title |
Design and performance of limestone drains to increase pH and remove metals from acidic mine drainage Handbook of groundwater remediation using permeable reactive barriers; applications to radionuclides, trace metals, and nutrients |
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Book Chapter |
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2002 |
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acid mine drainage; alkaline earth metals; aquatic environment; aquifers; calcium; carbonate rocks; chemical properties; construction; construction materials; crushed stone; dissolved materials; drainage; effluents; ground water; limestone; magnesium; metals; pH; pollution; porous materials; precipitation; retention; saturation; sedimentary rocks; sulfate ion; suspended materials 22, Environmental geology |
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Academic Press |
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Amsterdam |
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0125135637 |
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Design and performance of limestone drains to increase pH and remove metals from acidic mine drainage Handbook of groundwater remediation using permeable reactive barriers; applications to radionuclides, trace metals, and nutrients; GeoRef; English; 2004-040518; References: 66; illus. incl. 4 tables |
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CBU @ c.wolke @ 5686 |
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81 |
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Ziemkiewicz, P.F.; Meek, F.A., Jr.; Skousen, J.G.; Ziemkiewicz, P.F. |
| Title |
Long term behavior of acid forming rock; results of 11-year field studies |
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Book Chapter |
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1996 |
Publication |
Acid mine drainage control and treatment |
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acid mine drainage; acid rock drainage; alkaline earth metals; alkalinity; calcium; chemical composition; clastic rocks; coal mines; leachate; metals; mines; pH; pollution; prediction; reclamation; remediation; sandstone; sedimentary rocks; shale; spoils; sulfate ion; sulfur; United States; Upshur County West Virginia; waste disposal; waste rock; weathered materials; weathering; West Virginia 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
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Morgantown |
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Long term behavior of acid forming rock; results of 11-year field studies; GeoRef; English; 2004-051147; Edition: 2 References: 9; illus. incl. 1 table |
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no |
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CBU @ c.wolke @ 6357 |
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190 |
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Zamzow, M.J.; Schultze, L.E. |
| Title |
Treatment of acid mine drainage using natural zeolites |
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Journal Article |
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1993 |
Publication |
International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites |
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1993 |
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Pages |
220-221 |
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abandoned mines; acid mine drainage; clinoptilolite; experimental studies; feasibility studies; framework silicates; hydrochemistry; mines; Nevada; northeastern Nevada; phillipsite; remediation; Rio Tinto Deposit; silicates; surface water; United States; zeolite group abandoned mines acid mine drainage clinoptilolite experimental studies feasibility studies framework silicates hydrochemistry mines Nevada northeastern Nevada phillipsite remediation Rio Tinto Deposit silicates surface water United States zeolite group |
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Treatment of acid mine drainage using natural zeolites; GeoRef: 95-04036 1 table; AMD ISI | Wolkersdorfer |
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no |
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CBU @ c.wolke @ 9998 |
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192 |
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| Author |
Younger, P.L. |
| Title |
Minewater treatment using wetlands |
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Journal Article |
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1997 |
Publication |
Water and Environment Manager |
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2 |
Issue |
4 |
Pages |
11 |
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Wetlands and estuaries geographical abstracts: physical geography hydrology (71 6 8) wetlands mine drainage water treatment |
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Experiences gained by the UK Mining Industry and effluent treatment companies in theuse of wetlands for treating minewaters are discussed. Discharges from abandoned mines is a major cause of freshwater pollution in some regions. Key topics relating to the use of wetlands for minewater treatment will be discussed at a CIWEM conference in Newcastle on 5 September 1997. |
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Minewater treatment using wetlands; 0283405; Geobase |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 10624 |
Serial |
200 |
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