| 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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| Notes |
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 |
Serial |
76 |
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| Author |
Karathanasis, A.D.; Barton, C.D. |
| Title |
The revival of a failed constructed wetland treating a high Fe load AMD |
Type |
Book Chapter |
| Year |
1999 |
Publication |
Proceedings; biogeochemistry of trace elements in coal and coal combustion byproducts |
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Pages |
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abandoned mines acid mine drainage anaerobic environment carbonate rocks characterization composting constructed wetlands design environmental analysis ferrihydrite geologic hazards hydrology hydroxides iron iron hydroxides Kentucky limestone metals minerals mines organic compounds oxides pollution remediation runoff sedimentary rocks sediments solubility sulfate ion United States water quality water treatment wetlands 22, Environmental geology |
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Kluwer Academic/Plenum Publishers |
Place of Publication |
New York |
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Sajwan, K.S.; Alva, A.K.; Keefer, R.F. |
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0306462885 |
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The revival of a failed constructed wetland treating a high Fe load AMD; GeoRef; English; 2002-039561; Fourth international conference on the Biogeochemistry of trace elements, Berkeley, CA, United States, June 23, 1997 References: 45; illus. incl. 2 tables, sketch maps |
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no |
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CBU @ c.wolke @ 16571 |
Serial |
82 |
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Ziemkiewicz, P.F.; Skousen, J.G.; Lovett, R.; Skousen, J.G.; Ziemkiewicz, P.F. |
| Title |
Open limestone channels for treating acid mine drainage; a new look at an old idea |
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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; acidic composition; acidification; Appalachians; carbonate rocks; chemical reactions; concentration; constructed wetlands; ground water; limestone; North America; Pennsylvania; pollution; sedimentary rocks; surface water; United States; water quality; water treatment; West Virginia; western Pennsylvania; wetlands 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
Place of Publication |
Morgantown |
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Open limestone channels for treating acid mine drainage; a new look at an old idea; GeoRef; English; 2004-051154; Edition: 2 References: 5; illus. incl. 5 tables |
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no |
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CBU @ c.wolke @ 6364 |
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188 |
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| Author |
Wiseman, I. |
| Title |
Constructed wetlands for minewater treatment |
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RPT |
| Year |
2002 |
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125 |
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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 |
Place of Publication |
Bristol, England |
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Constructed wetlands for minewater treatment; Opac |
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no |
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CBU @ c.wolke @ 7122 |
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207 |
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| Author |
Skousen, J.; Rose, A.; Geidel, G.; Foreman, J.; Evans, R.; Hellier, W. |
| Title |
A handbook of technologies for avoidance and remediation of acid mine drainage |
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RPT |
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1998 |
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acid mine drainage bioremediation coal mines constructed wetlands disposal barriers ion exchange mines pollution pumping recharge remediation reverse osmosis surface water technology waste disposal waste management water treatment wetlands 22, Environmental geology |
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Acid Drainage Technology Initiative, A. and R.W.G.U.S. |
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A handbook of technologies for avoidance and remediation of acid mine drainage; 2001-074240; GeoRef; English; References: 72; illus. incl. 5 tables West Virginia University, National Mine Land Reclamation Center, Morgantown, WV, United States |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16615 |
Serial |
245 |
| Permanent link to this record |
