| Records |
| Author |
Guo, F.; Yu, H. |
| Title |
Hydrogeochemistry and treatment of acid mine drainage in southern China |
Type |
Book Chapter |
| Year |
1993 |
Publication |
Proceedings of the Annual National Meeting – American Society for Surface Mining and Reclamation, vol.10 |
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Issue |
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Pages |
277-283 |
| Keywords |
acid mine drainage Asia bacteria chemical reactions China coal mines ecology Far East geochemistry hydrochemistry Jiangxi China lime mines oxidation pH pollution sulfides surface water trace elements water quality 22 Environmental geology 02B Hydrochemistry |
| Abstract |
Coal mines and various sulfide ore deposits are widely distributed in Southern China. Acid mine drainage associated with coal and metal sulfide deposits affects water quality in some mined areas of Southern China. Mining operations accelerate this natural deterioration of water quality by exposing greater surface areas of reactive minerals to the weathering effects of the atmosphere, hydrosphere, and biosphere. Some approaches to reduce the effects of acid mine drainage on water quality are adopted, and they can be divided into two aspects: (a) Man-made control technology based on long-term monitoring of acid mine drainage; and, (b) Neutralization of acidity through the addition of lime. It is important that metals in the waste water are removed in the process of neutralization. A new method for calculating neutralization dosage is applied. It is demonstrated that the calculated value is approximately equal to the actual required value. |
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Zamora, B.A.; Connolly, R.E. |
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The challenge of integrating diverse perspectives in reclamation |
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Hydrogeochemistry and treatment of acid mine drainage in southern China; GeoRef; English; 2002-028935; 10th annual national meeting of the American Society for Surface Mining and Reclamation, Spokane, WA, United States, May 16, 1993 References: 3; illus. incl. 4 tables |
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no |
| Call Number |
CBU @ c.wolke @ 16744 |
Serial  |
366 |
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| Author |
Gusek, J.J. |
| Title |
Passive-treatment of acid rock drainage: what is the potential bottom line? |
Type |
Journal Article |
| Year |
1995 |
Publication |
Min. Eng. |
Abbreviated Journal |
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| Volume |
47 |
Issue |
3 |
Pages |
250-253 |
| Keywords |
mining acid drainage passive treatment system 3 Geology |
| Abstract |
Passive-treatment systems that mitigate acid-rock drainage from coal mines have been operating since the mid-1980s. Large systems at metal mines are being contemplated. A typical man-made passive-treatment-system can mimic a natural wetland by employing the same geochemical principles. Passive-treatment systems, however, are engineered to optimize the biogeochemical processes occurring in a natural wetland ecosystem. The passive-treatment methodology holds promise over chemical neutralization because large volumes of sludge are not generated. Metals may be precipitated as oxides, sulfides or carbonates in the passive-treatment system substrate. The key goal of a passive-treatment system is the long-term immobilization of metals in the substrate materials. The passive-treatment technique may not be applicable in all mine-drainage situations. -from Author |
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Knight-Piesold & Co, 1050 17th St., Suite 500, Denver, CO, 80265- 0550, USA |
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Passive-treatment of acid rock drainage: what is the potential bottom line?; (1121863); 95k-12693; Using Smart Source Parsing pp; Geobase |
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no |
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CBU @ c.wolke @ 17638 |
Serial |
365 |
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| Author |
Gusek, J.J. |
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Book Whole |
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2002 |
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Pages |
1-14 [Cd-Rom] |
| Keywords |
Constructed wetlands acid mine drainage heavy metals sulfate reduction |
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There are basically two kinds of biological passive treatment cells for treating mine drainage. Aerobic Cells, containing cattails and other plants, are typically applicable to coal mine drainage where iron and manganese and mild acidity are problematic. Anaerobic Cells or Sulfate-Reducing Bioreactors are typically applicable to metal mine drainage with high acidity and a wide range of metals. Most passive treatment systems employ one or both of these cell types. The track record of aerobic cells in treating coal mine drainage is impressive, especially in the eastern coalfields. Sulfate-reducing bioreactors have tremendous potential at metal mines and coal mines, but have not seen as wide an application. This paper presents the advantages of sulfate-reducing bioreactors in treating mine drainage, including: the ability to work in cold, high altitude environments, handle high flow rates of mildly affected ARD in moderate acreage footprints, treat low pH acid drainage with a wide range of metals and anions including uranium, selenium, and sulfate, accept acid drainagecontaining dissolved aluminum without clogging with hydroxide sludge, have life-cycle costs on the order of $0.50 per thousand gallons, and be integrated into “semi-passive” systems that might be powered by liquid organic wastes. Sulfate reducing bioreactors might not be applicable in every abandoned mine situation. However a phased design program of laboratory, bench, and pilot scale testing has been shown to increase the likelihood of a successful design. |
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Park City |
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Proceedings, Annual Conference – National Association of Abandoned Mine Land Programs |
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Sulfate-Reducing Bioreactor Design and Operating Issues – Is this the Passive Treatment Technology for your Mine Drainage?; 2; VORHANDEN | AMD ISI | Wolkersdorfer; als Datei vorhanden 4 Abb. |
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no |
| Call Number |
CBU @ c.wolke @ 17348 |
Serial |
364 |
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| Author |
Gusek, J.J.; Wildeman, T.R. |
| Title |
New developments in passive treatment of acid rock drainage Pollution prevention for process engineering |
Type |
Book Chapter |
| Year |
1995 |
Publication |
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Issue |
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Pages |
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| Keywords |
acid mine drainage; aerobic environment; alkalinity; bioaccumulation; bioremediation; constructed wetlands; decontamination; disposal barriers; geomembranes; heavy metals; hydroxides; nutrients; oxides; pH; physical properties; pollution; reclamation; remediation; soils; tailings; techniques; toxic materials; vegetation; waste disposal; water quality; wetlands 22, Environmental geology |
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Engineering Foundation |
Place of Publication |
New York |
Editor |
Richardson, P.E.; Scheiner, B.J.; Lanzetta, F., Jr. |
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0939204533 |
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New developments in passive treatment of acid rock drainage Pollution prevention for process engineering; GeoRef; English; 2000-063657; Engineering Foundation conference on Technical solution for pollution prevention in the mining and mineral processing industries, Palm Coast, FL, United States, Jan. 22-27, 1995 References: 3; illus. incl. 1 table |
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CBU @ c.wolke @ 6447 |
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363 |
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Haferkorn, B.; Mueller, M.; Zeh, E.; Benthaus, F.K.; Pester, L.; Lietzow, A.; Mansel, H.; Weber, H.; Franke, K.; Gelessius, G. |
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Book Whole |
| Year |
1999 |
Publication |
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Issue |
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Pages |
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abandoned mines; Central Europe; coal; ecology; Europe; geochemistry; Germany; ground water; hydrochemistry; hydrologic cycle; hydrology; lacustrine environment; lignite; limnology; mine drainage; mines; mining; monographs; pH; quality; remediation; reservoirs; Saxonian Massif; Saxony Germany; Saxony-Anhalt Germany; sedimentary rocks; surface mining; surface water 21 Hydrogeology; 22 Environmental geology; 28B Economic geology, economics of nonmetal deposits |
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Lmbv |
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Berlin |
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Schaffung von Tagebauseen im mitteldeutschen Bergbaurevier; die Wiederherstellung eines sich selbst regulierenden Wasserhaushaltes in den Braunkohleabbaugebieten des Freistaates Sachsen (Nordwestsachsen), des Landes Sachsen-Anhalt und des Freistaates Thueringen. Creation of open-pit lakes in central Germany mining district; the reclamation of some self-regulating water balance in abandoned lignite regions of the Saxony Free States Northwest Saxony), of the Saxony-Anhalt state and Free States |
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Schaffung von Tagebauseen im mitteldeutschen Bergbaurevier; die Wiederherstellung eines sich selbst regulierenden Wasserhaushaltes in den Braunkohleabbaugebieten des Freistaates Sachsen (Nordwestsachsen), des Landes Sachsen-Anhalt und des Freistaates Thueringen. Creation of open-pit lakes in central Germany mining district; the reclamation of some self-regulating water balance in abandoned lignite regions of the Saxony Free States Northwest Saxony), of the Saxony-Anhalt state and Free States; 351547-1; GeoRef In Process; German; References: 33; illus. incl. sects., 14 plates, 13 tables, geol. sketch maps |
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CBU @ c.wolke @ 6100 |
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362 |
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