Read e-book online Acidic Mining Lakes: Acid Mine Drainage, Limnology and PDF

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

ISBN-10: 3642719546

ISBN-13: 9783642719547

ISBN-10: 3642719562

ISBN-13: 9783642719561

Acidification is a common challenge in any respect mining websites within which oxygenated water is available in touch with sulfide minerals or different decreased sulfur compounds. a global Workshop used to be held in September 1995 on the division for Inland Water study of the UFZ-Centre for Environmental examine in Magdeburg at the limnology of lakes created through open-cast lignite mining, emphasizing the usually saw geogenic acidification after oxidation of pyrite. issues of curiosity have been case experiences at the limnology of acid lakes, e.g. bacteriologically improved methods regarding heavy steel mobilization and acid iteration, the ecology of sulfur-acidic lakes, and at the inorganic tactics of acidification. moreover, techniques for the prevention and the abatement of acidification have been addressed together with the motives of acidification, and the choices for lowering the output of acidified groundwater from overburden dumps, for acid regulate through the flooding of open-cast mines, and power measures for triggered in situ organic neutralization. This quantity has 25 chapters together with a bankruptcy with result of workforce discussions concerning the subject matters pointed out above and extra difficulties that have been pointed out throughout the assembly. The monograph supplies a baseline of the nation of technological know-how at the around the globe challenge of geogenic adidification of lakes following human mining actions, and the way to deal with this environmental problem.

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

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11. Negative correlation between iron and dry weight 120----------------------------------------~ o 100 o 5 10 a o • • 20 o 15 o •• j • Group 1 o Group 2 A Group 3 A 20 25 30 LOI% 120--------------------------------------~ o 100 I :: '. c • Group 1 o o Group 2 • •• 40 20 A Group 3 o~----~--------------~----~----~--~ o b 1000 2000 3000 4000 5000 6000 7000 TN (rna/kg) Fig. 12. Correlation between a arsenic and loss on ignition (LOI) and between b arsenic and total nitrogen K. Friese et al. 3 Depth Profiles Metal distribution with depth in the sediments of two lakes (ML-B and ML-F) shows quite different patterns.

CD. 6 • /! = 10 ~ 10 c c III •II o 1 2 3 d 456 80 42- [mmoVI] Fig. 2 a-d. Profiles of lake water concentrations of Lake Au and Lake Murner. Surface water concentrations of Lakes Linden, Bruckel and Edelmann. a pH; b aluminium; c ferric iron; d sulphate 4 In-Lake Neutralization of Acid Mine Lakes Fig. 06 Fe2+ [mmoVlj Fig. 3. 01 N NaOH solution to the surface water samples. The dashed line denotes the inflection point which lies atpH=5 4 AA Lake Unden . - . Lake Au . - . Lake Bruckel a- a Lake Murner .

_ Lake Murner .. -" •••• •• I';>· - -- - -- - - - - - - - - - .... : --===-. L................. 234 5 6 d 7 pH Fig. 5 a-d. Concentrations of sulphate, ferrous and ferric iron, and pH at the sediment - water interface of Lake Au and Lake Murner. Samples were taken by a dialysis chamber in autumn 1994 A. Peine and S. 3 Sediment Composition A large amount ofreactive iron is found in the upper 5 - 6 cm of the sediments of Lake Au, Lake Murner and Lake Edelmann (Fig. 6a). In Lake Edelmann maximum values of 136 g/kg reactive iron (all values refer to mass of dry substance) were found, in Lake Murner 47 g/kg and in Lake Au 67 glkg.

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Acidic Mining Lakes: Acid Mine Drainage, Limnology and Reclamation by W. Geller, H. Klapper, M. Schultze (auth.), Prof. Dr. Walter Geller, Prof. Dr. Helmut Klapper, Prof. Dr. Wim Salomons (eds.)

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