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Fyson, A.; Nixdorf, B.; Steinberg, C.E.W. |
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Title |
Manipulation of the sediment-water interface of extremely acidic mining lakes with potatoes; laboratory studies with intact sediment cores Geochemical and microbial processes in sediments and at the sediment-water interface of acidic mining lakes |
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1998 |
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Water, Air and Soil Pollution |
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353-363 |
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acid mine drainage; acidification; ammonium ion; Brandenburg Germany; Central Europe; concentration; dissolved materials; ecology; Europe; eutrophication; ferric iron; Germany; iron; lacustrine environment; Lusatia; mass balance; metals; nitrate ion; pollutants; pollution; pore water; remediation; sediment-water interface; sediments; surface water; titration; transport 22, Environmental geology |
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108 |
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Peiffer, S. |
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Manipulation of the sediment-water interface of extremely acidic mining lakes with potatoes; laboratory studies with intact sediment cores Geochemical and microbial processes in sediments and at the sediment-water interface of acidic mining lakes; GeoRef; English; 1999-021233; Conference on Geochemical and microbial processes in sediments and at the sediment-water interface of acidic mining lakes, Bayreuth, Federal Republic of Germany, Feb. 1997 References: 17; illus. |
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CBU @ c.wolke @ 6102 |
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21 |
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Ntengwe, F.W. |
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An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies – The case of Nkana Mine in Zambia |
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Journal Article |
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2005 |
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Phys. Chem. Earth |
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30 |
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11-16 Spec. Iss. |
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726-734 |
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mine water treatment Groundwater problems and environmental effects Pollution and waste management non radioactive geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) wastewater pollution control acid mine drainage Hyacinthus Zambia Southern Africa Sub Saharan Africa Africa Eastern Hemisphere World |
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The wastewaters coming from mining operations usually have low pH (acidic) values and high levels of metal pollutants depending on the type of metals being extracted. If unchecked, the acidity and metals will have an impact on the surface water. The organisms and plants can adversely be affected and this renders both surface and underground water unsuitable for use by the communities. The installation of a treatment plant that can handle the wastewaters so that pH and levels of pollutants are reduced to acceptable levels provides a solution to the prevention of polluting surface and underground waters and damage to ecosystems both in water and surrounding soils. The samples were collected at five points and analyzed for acidity, total suspended solids, and metals. It was found that the pH fluctuated between pH 2 when neutralization was forgotten and pH 11 when neutralization took place. The levels of metals that could cause impacts to the water ecosystem were found to be high when the pH was low. High levels of metals interfere with multiplication of microorganisms, which help in the natural purification of water in stream and river bodies. The fish and hyacinth placed in water at the two extremes of pH 2 and pH 11 could not survive indicating that wastewaters from mining areas should be adequately treated and neutralized to pH range 6-9 if life in natural waters is to be sustained. < copyright > 2005 Elsevier Ltd. All rights reserved. |
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F.W. Ntengwe, Copperbelt University, School of Technology, P.O. Box 21692, Kitwe, Zambia fntengwe@cbu.ac.zm |
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1474-7065 |
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Review; An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies – The case of Nkana Mine in Zambia; 2790318; United-Kingdom 23; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10301.pdf; Geobase |
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CBU @ c.wolke @ 17497 |
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24 |
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Arnekleiv, J.V.; Storset, L. |
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Downstream effects of mine drainage on benthos and fish in a Norwegian river; a comparison of the situation before and after river rehabilitation |
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1995 |
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Heavy metal aspects of mining pollution and its remediation |
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52 |
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35-43 |
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Chordata copper Europe experimental studies fluvial environment Gaula River metals Norway Pisces pollutants pollution reclamation Scandinavia trace metals Vertebrata Western Europe zinc 22, Environmental geology |
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Parts of the Norwegian river Gaula are strongly polluted from former mining activity in the area. In the most polluted parts of the river the concentration levels of Cu and Zn in 1986-1987 were up to 155 mu g l (super -1) and 186 mu g l (super -1) , respectively. In 1989 the spoil heaps in the mining area were covered with protective layers of moss-covered plastic. In 1991-1992 the concentration levels of Cu and Zn had decreased by 75% and 65%, respectively. Animal life in the polluted area seemed to be strongly affected by the trace metals in 1986-1987. The 1991-1992 results showed a marked increase in the number of species and in the number of individuals of each species of Ephemeroptera and Plecoptera, compared with the results from 1986-87. Good correlations were found between the concentrations of Cu in the water and both the number of species and the number of individuals of Ephemeroptera and Plecoptera. Analysis of the species Baetis rhodani, Diura nanseni and Rhyacophila nubila showed an average total dry weight content of Cu up to 264 mu g g (super -1) , of Zn up to 1930 mu g g (super -1) and of Cd up to 16 mu g g (super -1) . The contents of the three trace metals were significantly different from one species to another and in part between the stations for each species. In 1987 trout died after an exposure of one to two days on three test sites in the river, whereas in 1991-1992 40-75% of the trout survived an exposure period of several weeks at two of the sites. Electrofishing in 1991-1992 indicated recolonization of trout in the lower parts of the former affected and uninhabitable area. |
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Downstream effects of mine drainage on benthos and fish in a Norwegian river; a comparison of the situation before and after river rehabilitation; 1995-033037; 9th international conference on Heavy metals in the environment, Toronto, ON, Canada, Sept. 12-17, 1993 Special Issue References: 23; illus. incl. 2 tables; GeoRef; English |
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CBU @ c.wolke @ 16683 |
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30 |
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Banks, S.B.; Banks, D. |
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Abandoned mines drainage; impact assessment and mitigation of discharges from coal mines in the UK |
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Book Chapter |
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2001 |
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Geoenvironmental engineering Engineering Geology |
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31-37 |
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abandoned mines coal mines cost discharge drainage England environmental effects Europe feasibility studies Great Britain mine drainage mines mitigation pollution remediation Scotland United Kingdom Western Europe 22, Environmental geology |
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The UK has a legacy of pollution caused by discharges from abandoned coal mines, with the potential for further pollution by new discharges as groundwaters continue to rebound to their natural levels. In 1995, the Coal Authority initiated a scoping study of 30 gravity discharges from abandoned coal mines in England and Scotland. Mining information, geological information and water quality data were collated and interpreted in order to allow a preliminary assessment of the source and nature of each of the discharges. An assessment of the potential for remediation was made on the basis of the feasibility and relative costs of alternative remediation measures. Environmental impacts of the discharges and of the proposed remediation schemes were also assessed. The results, together with previous Coal Authority studies of discharges in Wales, were used by the Coal Authority, in collaboration with the former National Rivers Authority and the former Forth and Clyde River Purification Boards, to rank discharge sites in order of priority for remediation. |
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60 |
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Yong, R.N.; Thomas, H.R. |
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Abandoned mines drainage; impact assessment and mitigation of discharges from coal mines in the UK; GeoRef; English; 2001-052748; British Geotechnical Society, second conference on Geoenvironmental engineering, London, United Kingdom, Sept. 1999 References: 12; illus. incl. 2 tables |
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CBU @ c.wolke @ 16515 |
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31 |
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Author |
Wolkersdorfer, C. |
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Mine water tracer tests as a basis for remediation strategies |
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Journal Article |
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2005 |
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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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