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Author |
Fernandez Rubio, R. |
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Title |
Un recurso valioso las aguas de mina. A valuable resource, mine waters |
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Journal Article |
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Year |
2001 |
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Industria y Mineria |
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Volume |
345 |
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14-22 |
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Keywords |
acid mine drainage; Africa; aquifers; case studies; East Africa; Europe; ground water; hydrogeochemical exploration; hydrogeological survey; Iberian Peninsula; injection; mining; mining geology; open-pit mining; pollution; Portugal; Southern Europe; surface mining; surface water; underground mining; water supply; water treatment; Zambia 21, Hydrogeology |
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1137-8042 |
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Un recurso valioso las aguas de mina. A valuable resource, mine waters; 374358-2; illus. Spain (ESP); GeoRef In Process; Spanish |
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CBU @ c.wolke @ 5784 |
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381 |
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Author |
Faulkner, B.B.; Skousen, J.G.; Skousen, J.G.; Ziemkiewicz, P.F. |
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Title |
Treatment of acid mine drainage by passive treatment systems |
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Book Chapter |
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Year |
1996 |
Publication |
Acid mine drainage control and treatment |
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acid mine drainage; acidification; alkalinity; carbonate rocks; chemical reactions; constructed wetlands; controls; depositional environment; ground water; heavy metals; limestone; microorganisms; pollution; sedimentary rocks; substrates; surface water; techniques; United States; water pollution; water treatment; West Virginia; wetlands 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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Treatment of acid mine drainage by passive treatment systems; GeoRef; English; 2004-051153; Edition: 2 References: 13; illus. incl. 4 tables |
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CBU @ c.wolke @ 6363 |
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384 |
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Author |
Entrena, A.L.; Serrano, J.R.; Villoria, A. |
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Descontaminacion de aguas de mina con recuperacion de los metales contenidos en ellas. Decontamination of mine waters by recovering the metals contained within them VIII congreso internacional de Mineria y metalurgia; tomo 8. VIII international conference on Mining and metallurgy; Volume 8 |
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Book Chapter |
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1988 |
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Congreso Internacional de Mineria y Metalurgia, vol.8 |
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156-173 |
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actinides; Castilla y Leon Spain; decontamination; Europe; Iberian Peninsula; iron minerals; Leon region; metals; mines; pollution; recovery; remediation; Salamanca Spain; Southern Europe; Spain; uranium; water pollution 22, Environmental geology |
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Asociacion Nacional de Ingenieros de Minas de Espana, O. |
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Descontaminacion de aguas de mina con recuperacion de los metales contenidos en ellas. Decontamination of mine waters by recovering the metals contained within them VIII congreso internacional de Mineria y metalurgia; tomo 8. VIII international conference on Mining and metallurgy; Volume 8; GeoRef; Spanish; 1997-066026; 8. Congreso internacional de Mineria y metalurgia, Oviedo, Spain, 1988 4 tables |
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CBU @ c.wolke @ 6774 |
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389 |
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Author |
Emerick, J.C.; Wildeman, T.R.; Cohen, R.R.; Klusman, R.W. |
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Constructed wetland treatment of acid mine discharge at Idaho Springs, Colorado Guidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado |
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RPT |
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1994 |
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C 1097 |
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acid mine drainage; Big Five Tunnel; Clear Creek County Colorado; Colorado; ecology; hydrology; Idaho Springs Colorado; metals; north-central Colorado; pilot plants; pollutants; pollution; reclamation; rivers and streams; surface water; tunnels; United States; USGS; water treatment; wetlands 22 Environmental geology; 21 Hydrogeology |
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Severson, R.C. |
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Stewart, K.C. |
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Constructed wetland treatment of acid mine discharge at Idaho Springs, Colorado Guidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado; 1994-037816; GeoRef; English; 0364-6017 References: 6; illus. incl. 2 tables, block diags. |
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CBU @ c.wolke @ 6664 |
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390 |
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Author |
Eger, P.; Melchert, G.; Wagner, J. |
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Title |
Using passive treatment systems for mine closure – A good approach or a risky alternative? |
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Journal Article |
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Year |
2000 |
Publication |
Min. Eng. |
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52 |
Issue |
9 |
Pages |
78-83 |
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Pollution and waste management non radioactive Groundwater problems and environmental effects geological abstracts: environmental geology (72 14 2) geomechanics abstracts: excavations (77 10 10) acid mine drainage decommissioning mine waste open pit mine pH remediation |
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Abstract |
In 1991, LTV Steel Mining decided to close an open-pit taconite mine in northeastern Minnesota using a passive-treatment approach consisting of limiting infiltration into the stockpiles and wetland treatment to remove metals. More than 50 Mt (55 million st) of sulfide-containing waste had been stockpiled adjacent to the mine during its 30 years of operation. Drainage from the stockpiles contained elevated levels of copper, nickel, cobalt and zinc. Nickel is the major trace metal in the drainages. Before the closure, the annual median concentrations ranged from 1.5 to 50 mg/L. Copper, cobalt and zinc are also present but they are generally less than 5% of the nickel values. Median pH levels range from 5 to 7.5, but most of the stockpile drainages have pH levels greater than 6.5. Based on the chemical composition of each stockpile, a cover material was selected. The higher the potential that a stockpile had to produce acid drainage, the lower the permeability of the capping material required. Covers ranged from overburden soil removed at the mine to a flexible plastic liner. Predictions of the reduction in infiltration ranged from 40% for the native soil to more than 90% for the plastic liner. Five constructed wetlands have been installed since 1992. They have removed 60% to 90% of the nickel in the drainages. Total capital costs for all the infiltration reduction and wetlands exceeded $6.5 million, but maintenance costs are less than 1% of those for an active treatment plant. Because mine-drainage problems can continue for more than 100 years, the lower annual operating costs should pay for the construction of the wetland-treatment systems within seven years. |
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P. Eger, Minnesota Dept. of Natural Rsrces., St. Paul, MN, United States |
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0026-5187 |
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Using passive treatment systems for mine closure – A good approach or a risky alternative?; 2285715; United-States 19; Geobase |
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CBU @ c.wolke @ 17539 |
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392 |
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