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Hubbard, K.L.; Darling, G.D.; Rao, S.R.; Finch, J.A. |
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Title |
New functional polymers as sorbents for the selective recovery of toxic heavy metals from acid mine drainage |
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Book Chapter |
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Year |
1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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273-280 |
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absorption; acid mine drainage; chelation; experimental studies; geochemistry; heavy metals; ion exchange; iron; metals; pollution; remediation; toxic materials; zinc 22, Environmental geology |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 2 of 4; Mine drainage |
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New functional polymers as sorbents for the selective recovery of toxic heavy metals from acid mine drainage; GeoRef; English; 2007-045229; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 8; illus. incl. 7 tables |
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CBU @ c.wolke @ 6611 |
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346 |
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Author |
Eger, P.; Wagner, J.R.; Kassa, J.R.; Melchert, G.D. |
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Title |
Metal removal in wetland treatment systems |
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Book Chapter |
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Year |
1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06A-94 |
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80-88 |
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Keywords |
acid mine drainage; cobalt; constructed wetlands; copper; flows; geochemistry; hydrology; metals; mines; Minnesota; nickel; peat; pollution; remediation; sediments; sulfides; surface water; United States; waste disposal; water quality; wetlands; zinc 22, Environmental geology |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 1 of 4; Mine Drainage |
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Metal removal in wetland treatment systems; GeoRef; English; 2007-045160; International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 21; illus. incl. 2 tables |
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CBU @ c.wolke @ 6570 |
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391 |
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Author |
Eger, P.; Melchert, G.; Antonson, D.; Wagner, J. |
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Title |
Magnesium hydroxide as a treatment for acid mine drainage in northern Minnesota |
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Book Chapter |
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Year |
1993 |
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Proceedings of the Annual National Meeting – American Society for Surface Mining and Reclamation, vol.10 |
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204-217 |
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acid mine drainage acidification alkaline earth metals chemical properties cobalt copper drainage experimental studies hydroxides laboratory studies lime magnesium magnesium hydroxide metals Minnesota nickel northern Minnesota oxides pH pollution porous materials reagents remediation residence time trace metals United States waste disposal zinc 22, Environmental geology |
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Abstract |
Three alkaline materials were investigated for their suitability to treat acid mine drainage generated by a research facility located at a remote site in northern Minnesota. The materials investigated were hydrated lime, sodium hydroxide, and magnesium hydroxide. All three reagents were successful at raising pH and removing trace metals from the drainage, but the magnesium hydroxide had the added benefit of producing a maximum pH of approximately 9.5, while the other two reagents resulted in pH values of 12 and greater. In addition, the magnesium hydroxide was available as a high solid content slurry (58%) which simplified application and handling, and which produced the lowest volume of sludge of the materials tested. |
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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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Magnesium hydroxide as a treatment for acid mine drainage in northern Minnesota; GeoRef; English; 2002-028930; 10th annual national meeting of the American Society for Surface Mining and Reclamation, Spokane, WA, United States, May 16, 1993 References: 7; illus. incl. 4 tables |
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Call Number |
CBU @ c.wolke @ 16743 |
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393 |
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Author |
Eger, P. |
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Title |
Wetland Treatment for Trace-metal Removal from Mine Drainage – the Importance of Aerobic and Anaerobic Processes |
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Journal Article |
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Year |
1994 |
Publication |
Water Sci. Technol. |
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Volume |
29 |
Issue |
4 |
Pages |
249-256 |
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Keywords |
copper cobalt nickel zinc ion exchange sulfate reduction adsorption acid mine drainage passive treatment |
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Abstract |
When designing wetland treatment systems for trace metal removal, both aerobic and anaerobic processes can be incorporated into the final design. Aerobic processes such as adsorption and ion exchange can successfully treat neutral drainage in overlandflow systems. Acid drainage can be treated in anaerobic systems as a result of sulfate reduction processes which neutralize pH and precipitate metals.Test work on both aerobic and anaerobic systems has been conducted in Minnesota. For the past three years, overland flow test systems have successfully removed copper, cobalt, nickel and zinc from neutral mine drainage. Nickel, which is the major contaminant, has been reduced around 90 percent from 2 mg/L to 0.2 mg/L. A sulfate reduction system has successfully treated acid mine drainage for two years, increasing pH from 5 to over 7 and reducing concentrations of all metals by over 90 percent.Important factors to consider when designing wetlands to remove trace metals include not only the type of wetlandrequired but also the size of the system and the residence time needed to achieve the water quality standards. |
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0273-1223 |
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Wetland Treatment for Trace-metal Removal from Mine Drainage – the Importance of Aerobic and Anaerobic Processes; Isi:A1994nv30000032; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17336 |
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394 |
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Author |
Diz, H.R. |
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Title |
Chemical and biological treatment of acid mine drainage for the removal of heavy metals and acidity |
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Year |
1997 |
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acid mine drainage; copper; effluents; ferrous iron; heavy metals; iron; manganese; metals; nickel; oxidation; pH; pollution; precipitation; rates; tailings; temperature; waste water; zinc 22, Environmental geology |
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Ph.D. thesis |
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Virginia Polytechnic Institute and State University, |
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Blacksburg |
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Chemical and biological treatment of acid mine drainage for the removal of heavy metals and acidity; GeoRef; English |
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CBU @ c.wolke @ 6316 |
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400 |
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