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Younger, P.L. |
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Title |
Minewater treatment using wetlands |
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Journal Article |
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1997 |
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Water and Environment Manager |
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2 |
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4 |
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11 |
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Wetlands and estuaries geographical abstracts: physical geography hydrology (71 6 8) wetlands mine drainage water treatment |
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Experiences gained by the UK Mining Industry and effluent treatment companies in theuse of wetlands for treating minewaters are discussed. Discharges from abandoned mines is a major cause of freshwater pollution in some regions. Key topics relating to the use of wetlands for minewater treatment will be discussed at a CIWEM conference in Newcastle on 5 September 1997. |
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Minewater treatment using wetlands; 0283405; Geobase |
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CBU @ c.wolke @ 10624 |
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200 |
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Ye, Z.H. |
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Removal and distribution of iron, manganese, cobalt, and nickel within a Pennsylvania constructed wetland treating coal combustion by-product leachate |
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2001 |
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Journal of Environmental Quality |
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30 |
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4 |
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1464-1473 |
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mine water treatment |
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A flow-through wetland treatment system was constructed to treat coal combustion by-product leachate from an electrical power station at Springdale, Pennsylvania. In a nine-compartment treatment system, four cattail (Typha latifolia L.) wetland cells (designated Cells I through 4) successfully removed iron (Fe) and manganese (Mn) from the inlet water; Fe and Mn concentrations were decreased by an average of 91% in the first year (May 1996-May 1997), and by 94 and 98% in the second year (July 1997-June 1998), respectively. Cobalt (Co) and nickel (Ni) were decreased by an average of 39 and 47% in the first year, and 98 and 63% in the second year, respectively. Most of the metal removed by the wetland cells was accumulated in sediments, which constituted the largest sink. Except for Fe, metal concentrations in the sediments tended to be greater in the top 5 em of sediment than in the 5- to 10- or 10- to 15-cm layers, and in Cell I than in Cells 2, 3, and 4. Plants constituted a much smaller sink for metals; only 0.91, 4.18, 0.19, and 0.38% of the Fe, Mn, Co, and Ni were accumulated annually in the aboveground tissues of cattail, respectively. A greater proportion of each metal (except Mn) was accumulated in cattail fallen litter and submerged Chara (a macroalga) tissues, that is, 2.81, 2.75, and 1.05% for Fe, Co, and Ni, respectively. Considerably higher concentrations of metals were associated with cattail roots than shoots, although Mn was a notable exception. |
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Removal and distribution of iron, manganese, cobalt, and nickel within a Pennsylvania constructed wetland treating coal combustion by-product leachate; Wos:000174863000040; Times Cited: 15; ISI Web of Science |
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CBU @ c.wolke @ 17061 |
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122 |
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Author |
Ye, Z.H. |
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Use of a wetland system for treating Pb/Zn mine effluent: A case study in southern China from 1984 to 2002 |
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2004 |
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Wetlands Ecosystems in Asia: Function and Management |
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1 |
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413-434 |
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mine water treatment |
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A constructed wetland system in Guangdong Province, South of China has been used for treating Pb/Zn mine discharge since 1984. In this chapter, the performance of this system in the purification of mine discharge, metal accumulation in different ecological compartments and ecological succession within the system during the period of 1984-2002 has been reviewed. The data show that the wetland system not only effectively remove metals (mainly Pb, Zn, Cd and Cu) and total suspended solids from the mine discharge over a long period leading to significant improvement in water quality, but also gradually increase diversity and abundance of living organisms. |
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Use of a wetland system for treating Pb/Zn mine effluent: A case study in southern China from 1984 to 2002; Isip:000226088800023; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16997 |
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155 |
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Author |
Wolkersdorfer, C.; Younger, P.L. |
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Title |
Passive mine water treatment as an alternative to active systems |
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2002 |
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Grundwasser |
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7 |
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2 |
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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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Author |
Wolkersdorfer, C. |
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Title |
Mine water tracer tests as a basis for remediation strategies |
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Year |
2005 |
Publication |
Chemie der Erde |
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65 |
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Suppl. 1 |
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65-74 |
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Mine water treatment Stratification Convection First flush Tracer tests Microspheres Reactive transport Groundwater problems and environmental effects Pollution and waste management non radioactive acid mine drainage remediation |
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Mining usually causes severe anthropogenic changes by which the ground- or surface water might be significantly polluted. One of the main problems in the mining industry are acid mine drainage, the drainage of heavy metals, and the prediction of mine water rebound after mine closure. Therefore, the knowledge about the hydraulic behaviour of the mine water within the flooded mine might significantly reduce the costs of mine closure and remediation. In the literature, the difficulties in evaluating the hydrodynamics of flooded mines are well described, but only few tracer tests in flooded mines have been published so far. Most tracer tests linked to mine water problems were related to either pollution of the aquifer or radioactive waste disposal and not the mine water itself. Applying the results of the test provides possibilities f or optimizing the outcome of the source-path-target methodology and therefore diminishes the costs of remediation strategies. Consequently, prior to planning of remediation strategies or numerical simulations, relatively cheap and reliable results for decision making can be obtained via a well conducted tracer test. < copyright > 2005 Elsevier GmbH. All rights reserved. |
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C. Wolkersdorfer, TU Bergakademie Freiberg, Lehrstuhl fur Hydrogeologie, 09596 Freiberg, Sachsen, Germany c.wolke@tu-freiberg.de |
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0009-2819 |
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Sep 19; Mine water tracer tests as a basis for remediation strategies; 2767887; Germany 34; Geobase |
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CBU @ c.wolke @ 17499 |
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34 |
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