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Boonstra, J.; van Lier, R.; Janssen, G.; Dijkman, H.; Buisman, C.J.N. |
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Title |
Biological treatment of acid mine drainage |
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Book Chapter |
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1999 |
Publication |
Process Metallurgy, vol.9, Part B |
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559-567 |
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acid mine drainage adsorption alkaline earth metals arsenic Bingham Canyon Mine bioremediation Budelco Zinc Refinery cadmium copper Cornwall England England Europe Great Britain heavy metals iron magnesium manganese metals Netherlands pH phase equilibria pollution remediation sulfate ion United Kingdom United States Utah Western Europe Wheal Jane Mine zinc 22, Environmental geology |
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Amils, R.; Ballester, A. |
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Biohydrometallurgy and the environment toward the mining of the 21st century; proceedings of the International biohydrometallurgy symposium IBS'99, Part B, Molecular biology, biosorption, bioremediation |
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0444501932 |
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Biological treatment of acid mine drainage; GeoRef; English; 2000-049809; International biohydrometallurgy symposium IBS'99, Madrid, Spain, June 20-23, 1999 References: 11; illus. incl. 5 tables |
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CBU @ c.wolke @ 16595 |
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442 |
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Author |
Mitchell, P.; Rybock, J.; Wheaton, A. |
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Title |
Treatment and prevention of ARID using silica micro encapsulation |
Type |
Book Chapter |
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Year |
1999 |
Publication |
Proceedings of the 16th annual National meeting of the American Society for Surface Mining and Reclamation; Mining and reclamation for the next millennium |
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657-661 |
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acid mine drainage Bunker Hill Mine Idaho mines pollution Shoshone County Idaho United States water treatment 22, Environmental geology |
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In response to the known drawbacks of liming and the ever-increasing regulatory demands on the mining industry, KEECO has developed a silica micro encapsulation (SME) process. SME is a cost-effective, high performance reagent that is utilized in conjunction with simple chemical delivery systems. By encapsulating metals in a silica matrix formation and rapidly precipitating them into a sand-like sludge, it offers all the advantages of liming without the negative drawbacks. Utilizing an injection technique via a high shear mixing device, a slurry from of the SME product called KB-1 (super TM) was applied to ARD at the Bunker Hill Mine in Idaho and to ARD pumped from collection ponds at a remote mine site in the Sierra Nevada Mountains. Flow rates at both sites ranged from 500 to 800 gallons per minute. Treated water from the Bunker Hill Mine operation achieved the site's NPDES criteria for all evaluated metals and U.S. Drinking Water quality for arsenic, cadmium, chromium, lead and zinc with a dosage rate of 1.34 grams KB-1 (super TM) per liter. Treated water from the Sierra Nevada project focused on the control of aluminum, arsenic, copper, iron and nickel. All water samples displayed a >99.5% reduction in these metals, as well as an 84%-87% reduction in the concentration of sulfate. Testing on sludge generated from both operations achieved TCLP Action Limits. The SME process is currently under evaluation as a means to coat the pyrite surfaces of newly generated mine tailings to prevent oxidation and future acid generation. |
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Bengson, S.A.; Bland, D.M. |
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Treatment and prevention of ARID using silica micro encapsulation; GeoRef; English; 2001-047986; 16th annual National meeting of the American Society for Surface Mining and Reclamation, Scottsdale, AZ, United States, Aug. 13-19, 1999 2 tables |
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CBU @ c.wolke @ 16602 |
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297 |
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Skousen, J.; Rose, A.; Geidel, G.; Foreman, J.; Evans, R.; Hellier, W. |
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A handbook of technologies for avoidance and remediation of acid mine drainage |
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RPT |
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1998 |
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acid mine drainage bioremediation coal mines constructed wetlands disposal barriers ion exchange mines pollution pumping recharge remediation reverse osmosis surface water technology waste disposal waste management water treatment wetlands 22, Environmental geology |
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Acid Drainage Technology Initiative, A. and R.W.G.U.S. |
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A handbook of technologies for avoidance and remediation of acid mine drainage; 2001-074240; GeoRef; English; References: 72; illus. incl. 5 tables West Virginia University, National Mine Land Reclamation Center, Morgantown, WV, United States |
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no |
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Call Number |
CBU @ c.wolke @ 16615 |
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245 |
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Author |
Herbert, R.B., Jr.; Benner, S.G.; Blowes, D.W. |
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Title |
Reactive barrier treatment of groundwater contaminated by acid mine drainage; sulphur accumulation and sulphide formation |
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Book Chapter |
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1998 |
Publication |
Groundwater Quality: Remediation and Protection |
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451-457 |
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acid mine drainage Canada chemical analysis contaminant plumes Eastern Canada ground water hydraulic conductivity hydrolysis Nickel Rim Mine Ontario pH pollution porosity pyrrhotite remediation sample preparation Sudbury Basin sulfides sulfur tailings water pollution 22, Environmental geology |
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A permeable reactive barrier was installed in August 1995 at the Nickel Rim Mine near Sudbury, Ontario, Canada, for the passive remediation of groundwater contaminated with acid mine drainage. The reactive component of the barrier consists of a mixture of municipal and leaf compost and wood chips: the organic material promotes bacterially-mediated sulphate reduction. Hydrogen sulphide, a product of sulphate reduction, may then complex with aqueous ferrous iron and precipitate as iron sulphide. This study presents the solid phase sulphur chemistry of the reactive wall after two years of operation, and discusses the formation and accumulation of iron sulphide minerals in the reactive material. The results from the solid-phase chemical analysis of core samples indicate that there is an accumulation of reduced inorganic sulphur in the reactive wall, with levels reaching 190 mu mol g (super -1) (dry weight) by July 1997. |
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IAHS-AISH Publication, vol.250 |
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Herbert, M.; Kovar, K. |
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1901502554 |
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Reactive barrier treatment of groundwater contaminated by acid mine drainage; sulphur accumulation and sulphide formation; GeoRef; English; 1999-065115; GQ 98 conference, Tubingen, Federal Republic of Germany, Sept. 21-24, 1998 References: 15; illus. |
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Call Number |
CBU @ c.wolke @ 16621 |
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65 |
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Author |
Barton, C.D.; Karathanasis, A.D. |
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Title |
Aerobic and anaerobic metal attenuation processes in a constructed wetland treating acid mine drainage |
Type |
Journal Article |
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Year |
1998 |
Publication |
Environ Geosci |
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Volume |
5 |
Issue |
2 |
Pages |
43-56 |
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Keywords |
acid mine drainage aerobic environment anaerobic environment attenuation chemical fractionation chemical properties concentration constructed wetlands controls degradation detection environmental analysis ferric iron goethite heavy metals iron jarosite Kentucky McCreary County Kentucky metals oxides pollutants pollution seepage soils solubility sulfates surface water United States water treatment wetlands X-ray diffraction data 22, Environmental geology |
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1075-9565 |
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Aerobic and anaerobic metal attenuation processes in a constructed wetland treating acid mine drainage; 2001-034195; References: 41; illus. incl. 1 table United States (USA); GeoRef; English |
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CBU @ c.wolke @ 16623 |
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61 |
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