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Author |
Laine, D.M.; Jarvis, A.P. |
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Title |
Engineering design aspects of passive in situ remediation of mining effluents |
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2003 |
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Land Contam. Reclam. |
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11 |
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2 |
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113-126 |
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Groundwater problems and environmental effects Pollution and waste management non radioactive waste management pyrite iron sulfide remediation mine drainage effluent |
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Abstract |
Passive treatment of contaminated effluents can offer a 'low cost' management opportunity to remediate drainages to the standards required by enforcement agencies. However, the initial cost of construction of passive treatment systems is significant and often in excess of that for active treatment systems. It is therefore important that the engineering design of the passive systems produces an effective and efficient scheme to enable the construction and maintenance costs to be minimised as far as possible. Possible parameters for the design of passive systems are suggested to seek to obtain uniformity in size and layout of treatment elements where this may be possible. Passive treatment systems include aeration systems, sedimentation ponds, aerobic and anaerobic wetlands, anoxic limestone drains and reducing alkalinity producing systems. Most active treatment systems also include passive elements in the treatment stream. The basic design considerations that should be considered to ensure the construction of efficient systems are discussed. |
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D.M. Laine, IMC Consulting Engineers, PO Box 18, Sutton-in-Ashfield NG17 2NS, United Kingdom |
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0967-0513 |
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Engineering design aspects of passive in situ remediation of mining effluents; 2530416; United-Kingdom 22; Geobase |
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CBU @ c.wolke @ 17523 |
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60 |
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Barton, C.D.; Karathanasis, A.D. |
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Title |
Aerobic and anaerobic metal attenuation processes in a constructed wetland treating acid mine drainage |
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Journal Article |
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Year |
1998 |
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Environ Geosci |
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5 |
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2 |
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43-56 |
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acid mine drainage aerobic environment anaerobic environment attenuation chemical fractionation chemical properties concentration constructed wetlands controls degradation detection environmental analysis ferric iron goethite heavy metals iron jarosite Kentucky McCreary County Kentucky metals oxides pollutants pollution seepage soils solubility sulfates surface water United States water treatment wetlands X-ray diffraction data 22, Environmental geology |
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1075-9565 |
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Aerobic and anaerobic metal attenuation processes in a constructed wetland treating acid mine drainage; 2001-034195; References: 41; illus. incl. 1 table United States (USA); GeoRef; English |
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CBU @ c.wolke @ 16623 |
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61 |
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Agency, U.S.E.P.; Development, O. of R. and |
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Active and semi-passive lime treatment of acid mine drainage at Leviathan Mine, California |
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RPT |
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2006 |
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94 |
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National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency |
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Cincinnati, OH |
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Mar; Active and semi-passive lime treatment of acid mine drainage at Leviathan Mine, California; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/7171.pdf; Opac |
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CBU @ c.wolke @ 7171 |
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62 |
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Laboratory, N.R.M.R. |
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Demonstration of Aquafix and SAPS passive mine water treatment technologies at the Summitville Mine site |
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2004 |
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Cincinnati, Ohio : National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency |
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Cincinnati, Ohio |
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June; Demonstration of Aquafix and SAPS passive mine water treatment technologies at the Summitville Mine site; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/7186.pdf; Opac |
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CBU @ c.wolke @ 7186 |
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63 |
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Author |
Kuyucak, N. |
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Title |
Acid mine drainage prevention and control options |
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2002 |
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CIM Bull. |
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95 |
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1060 |
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96-102 |
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acid mine drainage prevention tailings environment waste sulphides Groundwater problems and environmental effects Pollution and waste management non radioactive Surface water quality Waste Management and Pollution Policy tailings sulfide mining industry waste management |
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Acid mine drainage (AMD) is one of the most significant environmental challenges facing the mining industry worldwide. It occurs as a result of natural oxidation of sulphide minerals contained in mining wastes at operating and closed/decommissioned mine sites. AMD may adversely impact the surface water and groundwater quality and land use due to its typical low pH, high acidity and elevated concentrations of metals and sulphate content. Once it develops at a mine, its control can be difficult and expensive. If generation of AMD cannot be prevented, it must be collected and treated. Treatment of AMD usually costs more than control of AMD and may be required for many years after mining activities have ceased. Therefore, application of appropriate control methods to the site at the early stage of the mining would be beneficial. Although prevention of AMD is the most desirable option, a cost-effective prevention method is not yet available. The most effective method of control is to minimize penetration of air and water through the waste pile using a cover, either wet (water) or dry (soil), which is placed over the waste pile. Despite their high cost, these covers cannot always completely stop the oxidation process and generation of AMD. Application of more than one option might be required. Early diagnosis of the problem, identification of appropriate prevention/control measures and implementation of these methods to the site would reduce the potential risk of AMD generation. AMD prevention/control measures broadly include use of covers, control of the source, migration of AMD, and treatment. This paper provides an overview of AMD prevention and control options applicable for developing, operating and decommissioned mines. |
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Dr. N. Kuyucak, Golder Associates Ltd., Ottawa, Ont., Canada |
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0317-0926 |
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Acid mine drainage prevention and control options; 2419232; Canada 38; Geobase |
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CBU @ c.wolke @ 17532 |
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64 |
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