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O'Sullivan, A.D.; McCabe, O.M.; Murray, D.A.; Otte, M.L. |
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Wetlands for rehabilitation of metal mine wastes |
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1999 |
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Biology and Environment-Proceedings of the Royal Irish Academy |
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99b |
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1 |
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11-17 |
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mine water treatment |
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Abstract |
Aspects of research work undertaken by the Wetland Ecology Research Group at University College Dublin are summarised here. Wastes from mining activities generally contain high concentrations of heavy metals and other toxic substances. Reclamation methods to treat these wastes include the use of wetlands, for revegetation of mine tailings under flooded conditions and for the treatment of tailings water. Both natural and constructed wetlands are frequently employed for the treatment of mine wastes. Through a complex array of plant, soil and microbial interactions contaminants, such as heavy metals and sulphates, can be successfully removed from wastewater. Suitable vegetation can stabilise the tailings sediment, thereby preventing it from being dust-blown or leached into the surrounding environment. Our research suggests that these two techniques for treatment of mine wastes are successful and economically viable. |
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Wetlands for rehabilitation of metal mine wastes; Wos:000083281300003; Times Cited: 4; ISI Web of Science |
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CBU @ c.wolke @ 17127 |
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130 |
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Author |
White, R.T. |
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Title |
Water-treatment Practice in South-african Gold-mines |
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Journal Article |
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1985 |
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J. S. Afr. Inst. Min. Metall. |
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85 |
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3 |
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81-87 |
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mine water |
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0038-223x |
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Water-treatment Practice in South-african Gold-mines; Isi:A1985akk0500002; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 9957 |
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214 |
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Oleary, W. |
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Title |
Wastewater recycling and environmental constraints at a base metal mine and process facilities |
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1996 |
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Water Sci. Technol. |
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33 |
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10-11 |
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371-379 |
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mine water treatment |
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In temperate areas of abundant freshwater there is seldom an urgency to recycle. The statutory protection of inland waters for beneficial uses such as drinking, food processing and game fishing is requiring industries to choose recycling. A European success in this trend is a base metal mining/milling industry which, since 1977, is implementing hydraulic, hydrological, treatment and ecological studies with wastewaters and mine tailings. A model activity, located 50 km from Dublin is considered. Zinc and lead concentrates produced and exported to smelters ultimately yield approximately 194,000 t and 54,000 t of these respective metals (32 and 21 percent of European production). Water use as originally planned would have been approximately 6m(3)/t of ore milled. While ore milling increased by 25 percent to 8,500t/d in 1993, water use declined by 33 percent to 4m(3)/t. The components making up this reduction range from milling technology efficiency to greater recycling from the 165 ha tailings pond. Environmental standards, based on framework regulations originating in EU Directives, have been instrumental in achieving wastewater savings. A conclusion is the value of integrating water quantity, quality, recycling, storage, production and other factors early in project planning. Copyright (C) 1996 IAWQ. Published by Elsevier Science Ltd. |
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Wastewater recycling and environmental constraints at a base metal mine and process facilities; Wos:A1996vb13300041; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 17170 |
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84 |
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Stewart, D.; Norman, T.; Cordery-Cotter, S.; Kleiner, R.; Sweeney, E.; Nelson, J.D. |
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Title |
Utilization of a ceramic membrane for acid mine drainage treatment |
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Journal Article |
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1997 |
Publication |
Tailings and Mine Waste '97 |
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453-460 |
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acid mine drainage; Black Hawk Colorado; Central City Colorado; ceramic materials; Colorado; cost; disposal barriers; geochemistry; Gilpin County Colorado; heavy metals; mines; organic compounds; pollution; remediation; surface water; tailings; United States; utilization; volatile organic compounds; volatiles; waste disposal mine water treatment |
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BASX Systems LLC has developed a treatment system based on ceramic membranes for the removal of heavy metals from an acid mine drainage stream. This stream also contained volatile organic compounds that were required to be removed prior to discharge to a Colorado mountain stream. The removal of heavy metals was greater than 99% in most cases. A decrease of 30% in chemicals required for treatment and a reduction by more than 75% in labor over a competing technology were achieved. These decreases were obtained for operating temperatures of less than 5 degrees C. This system of ceramic microfiltration is capable of treating many different types of acid mine waste streams for heavy metals removal. |
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90-5410-857-6 |
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Jan 13-17; Utilization of a ceramic membrane for acid mine drainage treatment; Isip:A1997bg96u00050; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 8744 |
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135 |
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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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2002 |
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Mine Water Env. |
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21 |
Issue |
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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