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| Author |
Bolzicco, J.; Carrera, J.; Ayora, C. |
| Title |
Eficiencia de la barrera permeable reactiva de Aznalcollar (Sevilla, Espana) como remedio de aguas acidas de mina. Reactive permeable disposal barrier at Aznalcollar Mine, Seville, Spain; as remediation for acid mine drainage |
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Journal Article |
| Year |
2004 |
Publication |
Revista Latino-Americana de Hidrogeologia |
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4 |
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27-34 |
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abandoned mines acid mine drainage Agrio River Andalusia Spain aquifers Aznalcollar Mine Cenozoic chemical composition chemical ratios copper ores dams disposal barriers drainage basins Europe geochemistry ground water Guadiamar River hydrochemistry Iberian Peninsula Iberian pyrite belt igneous rocks metal ores mineral composition mines mining Miocene Neogene permeability pH pollution reactive barriers remediation sedimentary rocks sediments Seville Spain Southern Europe Spain surface water tailings Tertiary volcanic rocks waste disposal water treatment zinc ores 22, Environmental geology |
| Abstract |
As a result of the collapse of a mine tailing dam in april 1998 about 40 km of the Agrio and Guadiamar valleys were covered with a layer of pyrite sludge. Although most of the sludge was removed, a small amount remains in the soil of the Agrio valley and the aquifer remains polluted with acid water (ph<4) and metals (10 mg/L Zn, 5 mg/L Cu and Al). A permeable reactive barrier was build across the aquifer to increase the alcalinity and retain the metals. The barrier is made up of three sections of 30 m longX1.4 m thickX5 m deep (average) containing different proportions of limestone gravel, organic compost and zero-valent iron. The residence time of the water in the barrier is about two days. Within the barrier, the pH values increase to near neutral mainly due to calcite dissolution. Metals co-precipitate as oxyhydroxides, and they are also adsorbed on the organic matter surface. Down-stream the barrier, the total pollution removal is around 60-90% for Zn and Cu, and from 50 to 90% for Al and acidity. |
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Eficiencia de la barrera permeable reactiva de Aznalcollar (Sevilla, Espana) como remedio de aguas acidas de mina. Reactive permeable disposal barrier at Aznalcollar Mine, Seville, Spain; as remediation for acid mine drainage; 2004-072864; References: 7; illus. incl. geol. sketch map Brazil (BRA); GeoRef; Spanish |
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CBU @ c.wolke @ 16471 |
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443 |
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Bienvenu, L. |
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Activites de recherche du ministere des Ressources naturelles du Quebec sur le drainage minier acide; activites realisees dans le cadre de l'Entente auxiliaire Canada-Quebec 1992-1998 sur le developpement mineral; rapport 1993-1994. Research activities of Quebec Natural Resources Ministry on acid mine drainage; research related to the Canada-Quebec agreement 1992-1998 on mineral development; report 1993-1994 |
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RPT |
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1994 |
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acid mine drainage; annual report; Canada; cost; Doyon Mine; Eastern Canada; methods; mining; mining geology; models; monitoring; organic compounds; organic materials; oxidation; permeability; pollution; programs; pyrite; Quebec; remediation; report; resins; sulfides; waste disposal; waste management; Weedon Mine 22, Environmental geology |
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Activites de recherche du ministere des Ressources naturelles du Quebec sur le drainage minier acide; activites realisees dans le cadre de l'Entente auxiliaire Canada-Quebec 1992-1998 sur le developpement mineral; rapport 1993-1994. Research activities of Quebec Natural Resources Ministry on acid mine drainage; research related to the Canada-Quebec agreement 1992-1998 on mineral development; report 1993-1994; 1995-039993; GeoRef; French; 18 tables Ministere des Ressources Naturelles, Charlesbourg, PQ, Canada |
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CBU @ c.wolke @ 6520 |
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448 |
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Baskin, L. |
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Linear relationship between mine flow-acid load and influence of depositional environment |
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Book Chapter |
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1979 |
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Underground coal mining symposium |
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acid mine drainage; Bell Gap Run; Blair County Pennsylvania; Cambria County Pennsylvania; environmental geology; ground water; hydrology; inorganic acids; iron; land use; Little Schuykill River; Loyalsock Creek; metals; Pennsylvania; pollution; programs; pyrite; Randolph County West Virginia; reclamation; rivers and streams; Roaring Creek; Schuylkill County Pennsylvania; statistical analysis; sulfides; sulfuric acid; Sullivan County Pennsylvania; surveys; Swatara Creek; treatment; United States; waste disposal; watersheds; West Virginia 22, Environmental geology |
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McGraw-Hill |
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New York City |
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Linear relationship between mine flow-acid load and influence of depositional environment; GeoRef; English; 1981-015370; Coal conference and expo V ; Underground coal mining symposium, Louisville, KY, United States, Oct. 23-25, 1979 References: 36; illus. incl. tables, sketch maps |
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CBU @ c.wolke @ 6819 |
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465 |
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Ahmed, S.M. |
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Surface chemical methods of forming hardpan in pyrrhotite tailings and prevention of the acid mine drainage |
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1994 |
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acid mine drainage; chemical composition; experimental studies; mines; oxidation; pollution; pyrite; pyrrhotite; remediation; sulfides; tailings; waste disposal; weathering rinds 22, Environmental geology |
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Special Publication - United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 2 of 4; Mine drainage |
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2007-045205; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 4; illus. incl. 1 table; GeoRef; English |
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CBU @ c.wolke @ 6593 |
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488 |
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LaPointe, F.; Fytas, K.; McConchie, D. |
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Using permeable reactive barriers for the treatment of acid rock drainage |
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2005 |
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International journal of surface mining, reclamation and environment |
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19 |
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1 |
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57-65 |
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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) waste management remediation mining industry pollution control acid mine drainage reactive barrier aluminium industry effluents industrial waste mineral processing industry oxidation waste handling permeable reactive barriers acid rock drainage treatment acid mine drainage environmental problem Canadian mineral industry oxidation sulphide minerals mine waste mine tailings heavy metals acid remediation technology metallurgical residues aluminium extraction industry acid mine effluents Manufacturing and Production acid mine drainage Bauxsol Canada disposal barriers effluents experimental studies heavy metals instruments oxidation permeable reactive barriers pollutants pollution pyrite pyrrhotite remediation sulfides tailings waste disposal waste management |
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Acid mine drainage (AMD) is the most serious environmental problem facing the Canadian mineral industry today. It results from oxidation of sulphide minerals (e.g. pyrite or pyrrhotite) contained in mine waste or mine tailings and is characterized by acid effluents rich in heavy metals that are released into the environment. A new acid remediation technology is presented, by which metallurgical residues from the aluminium extraction industry are used to construct permeable reactive barriers (PRBs) to treat acid mine effluents. This technology is very promising for treating acid mine effluents in order to decrease their harmful environmental effects |
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1389-5265 |
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Using permeable reactive barriers for the treatment of acid rock drainage; 8467608; Journal Paper; SilverPlatter; Ovid Technologies |
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CBU @ c.wolke @ 16786 |
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12 |
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