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Author (down) Younger, P.L.
Title Minewater treatment using wetlands Type Journal Article
Year 1997 Publication Water and Environment Manager Abbreviated Journal
Volume 2 Issue 4 Pages 11
Keywords Wetlands and estuaries geographical abstracts: physical geography hydrology (71 6 8) wetlands mine drainage water treatment
Abstract 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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Notes Minewater treatment using wetlands; 0283405; Geobase Approved no
Call Number CBU @ c.wolke @ 10624 Serial 200
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Author (down) Ye, Z.H.
Title Removal and distribution of iron, manganese, cobalt, and nickel within a Pennsylvania constructed wetland treating coal combustion by-product leachate Type Journal Article
Year 2001 Publication Journal of Environmental Quality Abbreviated Journal
Volume 30 Issue 4 Pages 1464-1473
Keywords mine water treatment
Abstract 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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Notes 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 Approved no
Call Number CBU @ c.wolke @ 17061 Serial 122
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Author (down) Ye, Z.H.
Title Use of a wetland system for treating Pb/Zn mine effluent: A case study in southern China from 1984 to 2002 Type Journal Article
Year 2004 Publication Wetlands Ecosystems in Asia: Function and Management Abbreviated Journal
Volume 1 Issue Pages 413-434
Keywords mine water treatment
Abstract 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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Notes 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 Approved no
Call Number CBU @ c.wolke @ 16997 Serial 155
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Author (down) Wolkersdorfer, C.; Younger, P.L.
Title Passive mine water treatment as an alternative to active systems Type Journal Article
Year 2002 Publication Grundwasser Abbreviated Journal
Volume 7 Issue 2 Pages 67-77
Keywords Groundwater quality geographical abstracts: physical geography hydrology (71 6 11) water treatment groundwater pollution water quality mine
Abstract 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.
Address 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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ISSN 1430-483x ISBN Medium
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Notes Passive mine water treatment as an alternative to active systems; 2428851; Passive Grubenwasserreinigung als Alternative zu aktiven Systemen. Germany 51; Geobase Approved no
Call Number CBU @ c.wolke @ 17530 Serial 202
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Author (down) Wolkersdorfer, C.
Title Mine water tracer tests as a basis for remediation strategies Type Journal Article
Year 2005 Publication Chemie der Erde Abbreviated Journal
Volume 65 Issue Suppl. 1 Pages 65-74
Keywords 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
Abstract 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.
Address C. Wolkersdorfer, TU Bergakademie Freiberg, Lehrstuhl fur Hydrogeologie, 09596 Freiberg, Sachsen, Germany c.wolke@tu-freiberg.de
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ISSN 0009-2819 ISBN Medium
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Notes Sep 19; Mine water tracer tests as a basis for remediation strategies; 2767887; Germany 34; Geobase Approved no
Call Number CBU @ c.wolke @ 17499 Serial 34
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