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Simmons, J.A.; Andrew, T.; Arnold, A.; Bee, N.; Bennett, J.; Grundman, M.; Johnson, K.; Shepherd, R. |
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Title |
Small-Scale Chemical Changes Caused by In-stream Limestone Sand Additions to Streams |
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Journal Article |
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2006 |
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Mine Water Env. |
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25 |
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4 |
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241-245 |
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acid mine drainage aluminum calcium limestone sand sediment stream liming West Virginia |
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In-stream limestone sand addition (ILSA) has been employed as the final treatment for acid mine drainage discharges at Swamp Run in central West Virginia for six years. To determine the small-scale longitudinal variation in stream water and sediment chemistry and stream biota, we sampled one to three locations upstream of the ILSA site and six locations downstream. Addition of limestone sand significantly increased calcium and aluminum concentrations in sediment and increased the pH, calcium, and total suspended solids of the stream water. Increases in alkalinity were not significant. The number of benthic macroinvertebrate taxa was significantly reduced but there was no effect on periphyton biomass. Dissolved aluminum concentration in stream water was reduced, apparently by precipitation into the stream sediment. |
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1025-9112 |
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Small-Scale Chemical Changes Caused by In-stream Limestone Sand Additions to Streams; 1; FG 4 Abb., 2 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17420 |
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248 |
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Simmons, J.; Ziemkiewicz, P.; Black, D.C. |
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Title |
Use of Steel Slag Leach Beds for the Treatment of Acid Mine Drainage |
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Journal Article |
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2002 |
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Mine Water Env. |
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21 |
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2 |
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91-99 |
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acid mine drainage Beaver Creek check dam leach beds leaching metal sequestration mine water leaching procedure open limestone channel steel slag West Virginia |
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Steel slag from the Waylite steel-making plant in Bethlehem, Pennsylvania was leached with acidic mine drainage (AMD) of a known quality using an established laboratory procedure. Leaching continued for 60 cycles and leachates were collected after each cycle. Results indicated that the slag was very effective at neutralizing acidity. The AMD/slag leachates contained higher average concentrations of Ba, V, Mn, Cr, As, Ag, and Se and lower average concentrations of Sb, Fe, Zn, Be, Cd, Tl, Ni, Al, Cu, and Pb than the untreated AMD. Based on these tests, slag leach beds were constructed at the abandoned McCarty mine site in Preston County, West Virginia. The leach beds were constructed as slag check dams below limestone-lined settling basins. Acid water was captured in limestone channels and directed into basins to leach through the slag dams and discharge into a tributary of Beaver Creek. Since installation in October 2000, the system has been consistently producing net alkaline, pH 9 water. The treated water is still net alkaline and has a neutral pH after it encounters several other acidic seeps downstream. |
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1025-9112 |
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Use of Steel Slag Leach Beds for the Treatment of Acid Mine Drainage; 1; FG 20 Abb., 4 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17421 |
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249 |
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Sheoran, A.S.; Sheoran, V. |
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Title |
Heavy metal removal mechanism of acid mine drainage in wetlands: A critical review |
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Journal Article |
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2006 |
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Minerals Engineering |
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19 |
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2 |
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105-116 |
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Acid mine drainage Metal removal mechanism Wetlands |
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Acid mine drainage (AMD) is one of the most significant environmental challenges facing the mining industry worldwide. Water infiltrating through the metal sulphide minerals, effluents of mineral processing plants and seepage from tailing dams becomes acidic and this acidic nature of the solution allows the metals to be transported in their most soluble form. The conventional treatment technologies used in the treatment of acid mine drainage are expensive both in terms of operating and capital costs. One of the methods of achieving compliance using passive treatment systems at low cost, producing treated water pollution free, and fostering a community responsibility for acid mine water treatment involves the use of wetland treatment system. These wetlands absorb and bind heavy metals and make them slowly concentrated in the sedimentary deposits to become part of the geological cycle. In this paper a critical review of the heavy metal removal mechanism involving various physical, chemical and biological processes, which govern wetland performance, have been made. This information is important for the siting and use of wetlands for remediation of heavy metals. |
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Heavy metal removal mechanism of acid mine drainage in wetlands: A critical review; Science Direct |
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CBU @ c.wolke @ 17252 |
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41 |
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Schwartz, M.O.; Ploethner, D. |
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From mine water to drinking water; heavy-metal removal by carbonate precipitation in the Grootfontein-Omatako Canal, Namibia |
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Book Chapter |
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1999 |
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Africa; aluminum; cadmium; canals; carbonates; copper; drinking water; geochemistry; Grootfontein-Omatako Canal; heavy metals; hydrochemistry; iron; lead; manganese; metallogenic provinces; metals; mine drainage; mineral deposits, genesis; mines; Namibia; policy; precipitation; purification; Southern Africa; transport; water management; water treatment 22, Environmental geology |
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Bundesanst. fuer Geowiss. und Rohstoffe |
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Hanover |
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From mine water to drinking water; heavy-metal removal by carbonate precipitation in the Grootfontein-Omatako Canal, Namibia; GeoRef; English; 2002-033925; International congress on Mine, water and environment, Seville, Spain, Sept. 13, 1999 References: 7; 2 tables, sketch maps |
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CBU @ c.wolke @ 5929 |
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250 |
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Author |
Schueck, J.H. |
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Limestone diversion wells; a low-maintenance, cost-effective method for treating acid-mine drainage with limestone |
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1995 |
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Guidebook for the Annual Field Conference of Pennsylvania Geologists, vol.60 Applied geology in the Lock Haven and Williamsport region, Clinton and Lycoming counties, northcentral Pennsylvania |
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9-12 |
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acid mine drainage; Babb Creek watershed; Blossburg coal basin; carbonate rocks; ground water; hydrology; limestone; Pennsylvania; pollution; remediation; sedimentary rocks; Tioga County Pennsylvania; United States; water wells; watersheds; wells 22, Environmental geology |
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Carnein, C.R.; Way, J.H. |
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Limestone diversion wells; a low-maintenance, cost-effective method for treating acid-mine drainage with limestone; GeoRef; English; 1996-018760; 60th annual field conference of Pennsylvania geologists, Williamsport, PA, United States, Oct. 5-7, 1995 References: 3; 1 table, sketch map |
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CBU @ c.wolke @ 6420 |
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77 |
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