Download Acidic Mining Lakes: Acid Mine Drainage, Limnology and by W. Geller, H. Klapper, M. Schultze (auth.), Prof. Dr. Walter PDF

By W. Geller, H. Klapper, M. Schultze (auth.), Prof. Dr. Walter Geller, Prof. Dr. Helmut Klapper, Prof. Dr. Wim Salomons (eds.)

Acidification is a common challenge in any respect mining websites during which oxygenated water is available in touch with sulfide minerals or different decreased sulfur compounds. a global Workshop was once held in September 1995 on the division for Inland Water study of the UFZ-Centre for Environmental learn in Magdeburg at the limnology of lakes created through open-cast lignite mining, emphasizing the customarily saw geogenic acidification after oxidation of pyrite. issues of curiosity have been case stories at the limnology of acid lakes, e.g. bacteriologically superior methods with regards to heavy steel mobilization and acid iteration, the ecology of sulfur-acidic lakes, and at the inorganic procedures of acidification. moreover, strategies for the prevention and the abatement of acidification have been addressed together with the factors of acidification, and the choices for decreasing the output of acidified groundwater from overburden dumps, for acid regulate in the course of the flooding of open-cast mines, and capability measures for brought on in situ organic neutralization. This quantity has 25 chapters together with a bankruptcy with result of staff discussions in regards to the themes pointed out above and additional difficulties that have been pointed out through the assembly. The monograph provides a baseline of the nation of technology at the around the globe challenge of geogenic adidification of lakes following human mining actions, and the way to address this environmental problem.

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Additional info for Acidic Mining Lakes: Acid Mine Drainage, Limnology and Reclamation

Example text

Schreck and W. S Environmental Impact of Lignite Mining Open-pit lignite mining requires the water table to be lowered by up to m and the cover sediments above the lignite seams (including the upper aquifers) to be removed. After closure of the mine, rising water fills the remaining cavities and eventually leads to the formation of the popular mining lakes. These mining lakes act as a link between the various groundwater horizons. Many of these hydraulic short-cuts already exist and their number is set to increase (Glasser 1995).

The release of the oxidation products, mainly acidity, iron and sulphate, is known as acid mine drainage (AMD) and has been the subject of intense research for decades (e. g. Singer and Stumm 1970; Lowsen 1982; Nordstrom 1982; van Berk 1987; Morrison et al. 1990; Blowes et al. 1991, Hedin et al. 1994; Wisotzky 1994). The residual hollow forms of the abandoned surface mines were fIlled by the rising water table and/or with river water forming the mining lakes. In regions with bedrocks rich in pyrite/marcasite and poor in carbonate, many mining lakes are strongly acidified (Schultze and Geller 1996).

Chern Rev 82:461-497 Morrison JL, Scheetz BE, Strickler DW, Williams EG, Rose AW, Davis A, Parizk R (1990) Predicting the occurrence of acid mine drainage in the Alleghenian coalbearing strata of western Pennsylvania: an assessment by simulated weathering (leaching) experiments and overburden characterisation. Geol Soc Am Spec Pap 248:87-99 Nixdorf B, Rucker J, Kocher B, Deneke R (1995) Erste Ergebnisse zur Limnologie von Tagebaurestseen in Brandenburg unter besonderer Berucksichtigung der Besiedlung im Pelagial.

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