| Records |
| Author |
Laine, D.M.; Jarvis, A.P. |
| Title |
Engineering design aspects of passive in situ remediation of mining effluents |
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Journal Article |
| Year |
2003 |
Publication |
Land Contam. Reclam. |
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| Volume |
11 |
Issue  |
2 |
Pages |
113-126 |
| Keywords |
Groundwater problems and environmental effects Pollution and waste management non radioactive waste management pyrite iron sulfide remediation mine drainage effluent |
| 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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| Author |
Barton, C.D.; Karathanasis, A.D. |
| 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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1998 |
Publication |
Environ Geosci |
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5 |
Issue |
2 |
Pages |
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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| Author |
Wolkersdorfer, C.; Younger, P.L. |
| Title |
Passive mine water treatment as an alternative to active systems |
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Journal Article |
| Year |
2002 |
Publication |
Grundwasser |
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7 |
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2 |
Pages |
67-77 |
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Groundwater quality geographical abstracts: physical geography hydrology (71 6 11) water treatment groundwater pollution water quality mine |
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For the treatment of contaminated mine waters reliable treatment methods with low investment and operational costs are essential. Therefore, passive treatment systems recently have been installed in Great Britain and in Germany (e.g. anoxic limestone drains, constructed wetlands, reactive barriers, roughing filters) and during the last eight years such systems successfully treated mine waters, using up to 6 ha of space. In some cases with highly contaminated mine water, a combination of active and passive systems should be applied, as in any case the water quality has to reach the limits. Because not all the processes of passive treatment systems are understood in detail, current research projects (e.g. EU-project PIRAMID) were established to clarify open questions. |
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Dr. Ch. Wolkersdorfer, TU Bergakademie Freiberg, Lehrstuhl fur Hydrogeologie, Gustav-Zeuner-Str. 12, Freiberg/Saichen 09596, Germany c.wolke@tu-freiberg.de |
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1430-483x |
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Passive mine water treatment as an alternative to active systems; 2428851; Passive Grubenwasserreinigung als Alternative zu aktiven Systemen. Germany 51; Geobase |
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CBU @ c.wolke @ 17530 |
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202 |
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Wiseman, I.M.; Edwards, P.J.; Rutt, G.P. |
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Recovery of an aquatic ecosystem following treatment of abandoned mine drainage with constructed wetlands |
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Journal Article |
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2003 |
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Land Contam. Reclam. |
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11 |
Issue |
2 |
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221-230 |
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Pollution and waste management non radioactive Groundwater problems and environmental effects Wetlands and estuaries geological abstracts: environmental geology (72 14 2) geomechanics abstracts: excavations (77 10 10) geographical abstracts: physical geography hydrology (71 6 8) coal mine recovery aquatic ecosystem constructed wetland water treatment mine drainage abandoned mine |
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Seven kilometres of the River Pelenna in South Wales were impacted for approximately 30 years by discharges from abandoned coal mines. Elevated iron and low pH caused significant ochreous staining and had detrimental effects on the river ecology. The River Pelenna Mine water project constructed a series of passive wetland treatment systems to treat these discharges. Monitoring of the performance and environmental benefits of these has been undertaken as part of an Environment Agency R&D project. This project has assessed the changes in water quality as well as monitoring populations of invertebrates, fish and birds between 1993 and 2001. Performance data from the wetlands show that on average the three systems are removing between 82 and 95% of the iron loading from the mine waters. In the rivers downstream, the dissolved iron concentration has dropped to below the Environmental Quality Standard (EQS) of 1 mg/L for the majority of the time. Increases in pH downstream of the discharges have also been demonstrated. Trout (Salmo trutta) recovered quickly following mine water treatment, returning the next year to areas that previously had no fish. Intermittent problems with overflows from the treatment systems temporarily depleted the numbers, but the latest data indicate a thriving population. The overflow problems and also background episodes of acidity have affected the recovery of the riverine invertebrates. However, there have been gradual improvements in the catchment, and in the summer of 2001 most sites held faunas which approached those found in unpolluted controls. Recovery of the invertebrate fauna is reflected in marked increases in the breeding success of riverine birds between 1996 and 2001. This study has shown that constructed wetlands can be an effective, low cost and sustainable solution to ecological damage caused by abandoned mine drainage. |
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I.M. Wiseman, Environment Agency Wales, 19 Penyfai Lane, Furnace, Llanelli SA15 4EL, United Kingdom |
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0967-0513 |
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Recovery of an aquatic ecosystem following treatment of abandoned mine drainage with constructed wetlands; 2530429; United-Kingdom 25; Geobase |
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| Call Number |
CBU @ c.wolke @ 17516 |
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206 |
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| Author |
Wieder, R.K. |
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A survey of constructed wetlands for acid coal mine drainage treatment in the Eastern United States |
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Journal Article |
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1989 |
Publication |
Wetlands |
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9 |
Issue |
2 |
Pages |
299-315 |
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acid mine drainage; coal; Eastern U.S.; environmental geology; human activity; organic residues; Pennsylvania; pollution; reclamation; sedimentary rocks; United States; water quality; water treatment; wetlands 22 Environmental geology; 21 Hydrogeology |
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0277-5212 |
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A survey of constructed wetlands for acid coal mine drainage treatment in the Eastern United States; 1990-040374; Dec References: 19; illus. incl. 4 tables United States (USA); GeoRef; English |
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CBU @ c.wolke @ 6755 |
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212 |
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