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Wolkersdorfer, C. |
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Title |
Tracer tests as a mean of remediation procedures in mines |
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Journal Article |
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2006 |
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Uranium in the Environment: Mining Impact and Consequences |
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817-822 |
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mine water treatment |
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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. Consequently, the knowledge about the hydraulic behaviour of the mine water within a 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, although 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. |
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Tracer tests as a mean of remediation procedures in mines; Isip:000233396400084; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 7590 |
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153 |
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Totsche, O.; Fyson, A.; Kalin, M.; Steinberg Christian, E.W. |
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Title |
Titration curves: A useful instrument for assessing the buffer systems of acidic mining waters |
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Journal Article |
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2006 |
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ESPR Environmental Science and Pollution Research |
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13 |
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4 |
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215-224 |
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Abwasseraufbereitung Bergbau Titration Säuregehalt Grundwasser Pufferlösung Neutralisation Titrationskurve Bergbauabwasser |
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The acidification of mine waters is generally caused by metal sulfide oxidation, related to mining activities. These waters are characterized by low pH and high acidity due to strong buffering systems. The standard acidity parameter, the BNC (Base Neutralization Capacity), is determined by endpoint titration, and reflects a cumulative parameter of both hydrogen ions and all buffering systems, but does not give information on the individual buffer systems. It is demonstrated that a detailed interpretation of titration curves can provide information about the strength of the buffering systems. The buffering systems are of importance for environmental studies and treatment of acidic mining waters. Titrations were carried out by means of an automatic titrator using acidic mining waters from Germany and Canada. The curves were interpreted, compared with each other, to endpoint titration results and to elemental concentrations contained therein. The titration curves were highly reproducible, and contained information about the strength of the buffer systems present. Interpretations are given, and the classification and comparison of acidic mining waters, by the nature and strength of their buffering systems derived from titration curves are discussed. The BNC-values calculated from the curves were more precise than the ones determined by the standard endpoint titration method. Due to the complex buffer mechanisms in acidic mining waters, the calculation of major metal concentrations from the shape of the titration curve resulted in estimates, which should not be confused with precise elemental analysis results. Conclusion. Titration curves provide an inexpensive, valuable and versatile tool, by which to obtain sophisticated information of the acidity in acidic water. The information about the strength of the present buffer systems can help to understand and document the complex nature of acidic mining water buffer systems. Finally, the interpretation of titration curves could help to improve treatment measurements and the ecological understanding of these acidic waters. |
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Leibniz-Institut für Gewässerökologie und Binnenfischerei, Berlin, DE; Boojum Research, Toronto, CA; Humboldt-Universität Berlin, DE |
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0944-1344 |
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Titration curves: A useful instrument for assessing the buffer systems of acidic mining waters; 39481, BERG , 13.11.06; Words: 519; 200610 05282; 10 Seiten, 15 Bilder, 2 Tabellen, 39 Quellen 3UXX *Belastung von Wasser, Wasserreinhaltung, Abwasser* 3BX *chemische Grundlagen* 3IFC *Messung und Prüfung chemischer Größen, chemische Analytik* 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik*; BERG, Copyright FIZ Technik e.V.; EN Englisch |
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CBU @ c.wolke @ 17580 |
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224 |
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Younger, P.L.; Banwart, S.A. |
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2001 |
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419-421 |
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mine water |
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Preprints volume Conference 'Groundwater Quality 2001' (Third International Conference on Groundwater Quality, International Association of Hydrological Sciences) |
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Sheffield |
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Time-scale issues in the remediation of pervasively contaminated groundwaters at abandoned mines sites |
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Time-scale issues in the remediation of pervasively contaminated groundwaters at abandoned mines sites; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17629 |
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197 |
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Author |
Roscoe, H. |
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Title |
Evaluation of Passive Systems for the Treatment of Mine Drainage |
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1999 |
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234 |
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Thesis (Master's); Evaluation of Passive Systems for the Treatment of Mine Drainage; [United States] : Pennsylvania State Univ. University Park Dept. of Civil Engineering; Opac |
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CBU @ c.wolke @ 7128 |
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259 |
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Author |
Magdziorz, A.; Sewerynski, J. |
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The use of membrane technique in mineralised water treatment for drinking and domestic purposes at “Pokoj” coal mine district under liquidation |
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Book Chapter |
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2000 |
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7th international Mine Water Association congress; Mine water and the environment |
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430-442 |
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abandoned mines; Central Europe; coal mines; drinking water; environmental analysis; Europe; ground water; Katowice Poland; mine drainage; mines; Pokoj mining district; Poland; remediation; Upper Silesian coal basin; water treatment 22, Environmental geology |
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Uniwersytet Slaski |
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Sosnowiec |
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Rozkowski, A. |
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8387431230 |
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The use of membrane technique in mineralised water treatment for drinking and domestic purposes at “Pokoj” coal mine district under liquidation; GeoRef; English; 2002-018165; 7th international Mine Water Association congress; Mine water and the environment, Katowice-Ustron, Poland, Sept. 11-15, 2000 References: 4; illus. incl. 4 tables |
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CBU @ c.wolke @ 5849 |
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311 |
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