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

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 lowered sulfur compounds. a global Workshop was once held in September 1995 on the division for Inland Water examine of the UFZ-Centre for Environmental study in Magdeburg at the limnology of lakes created through open-cast lignite mining, emphasizing the customarily saw geogenic acidification after oxidation of pyrite. subject matters of curiosity have been case reports at the limnology of acid lakes, e.g. bacteriologically greater strategies on the topic of heavy steel mobilization and acid iteration, the ecology of sulfur-acidic lakes, and at the inorganic methods of acidification. in addition, ideas for the prevention and the abatement of acidification have been addressed together with the reasons of acidification, and the choices for decreasing the output of acidified groundwater from overburden dumps, for acid regulate throughout the flooding of open-cast mines, and capability measures for brought about in situ organic neutralization. This quantity has 25 chapters together with a bankruptcy with result of workforce discussions in regards to the subject matters pointed out above and additional difficulties that have been pointed out throughout the assembly. The monograph supplies a baseline of the country 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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Extra info for Acidic Mining Lakes: Acid Mine Drainage, Limnology and Reclamation

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5), has very high dissolved iron concentrations (about 200 mg/l) and the highest ionic strength (ca. 70 mmolll) which is more likely for the acid mining lakes. For further explanation see text ~ tb tb '" .... ~ "ri .... :;. B. Comparison of depth profIles for temperature (1'), oxygen (02), dissolved aluminium (Ai), iron (Fe) and manganese (Mn) in neutral mining lake ML-B. 3). The occurrence of acid lakes with neutral sediments is really unusual. ). 2 Metals and Phosphorus The sediments are rich in iron (up to 290 glkg) and aluminium (up to 62 glkg).

Correlation between a total phosphorus and zinc; b total phosphorus and copper and c total phosphorus and mercury [the value for lake FKA (4) is excluded from all diagrams] 3 Chemical Characteristics of Water and Sediment in Acid Mining Lakes 41 300~-----0--------------------------------~ 250 . 00 _200 g :g 150 • Group 1 •• • u. 100 o Group 2 • 50 A Group 3 ·A O+-______--~--__- -__~~~~__--~--~c o 10 20 30 40 50 Dry weight % Fig. 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 :: '.

Q .... E 1 , • I • I •• I I • •• I 2345678910 pH pH , 10-----1 • \ o • o 0,1 o • I • I 0 • • •• .... =' Q E 0,1 0,01 008 • 1 ~ M •• 0,001 , I •• I ••• • DO [] CJ:IDD , •••• •• I ••••• •• 2345678910 2345678910 pH pH Fig. 6. Concentrations of dissolved iron, manganese, aluminium and zinc in mining lakes of the Lusatian lignite district in relation to pH (mean value). 0 I Fig. 7. Ionic composition (mmolll) of neutral mining lakes or neutral sampling points.

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