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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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1999 |
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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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Coulton, R.; Bullen, C.; Hallett, C. |
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Title |
The design and optimisation of active mine water treatment plants |
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Journal Article |
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2003 |
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Land Contam. Reclam. |
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11 |
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2 |
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273-280 |
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sludge mine water treatment mine water active treatment precipitation iron manganese high density sludge sulphide Groundwater problems and environmental effects Pollution and waste management non radioactive manganese sulfide pollutant removal iron water treatment mine drainage |
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This paper provides a 'state of the art' overview of active mine water treatment. The paper discusses the process and reagent selection options commonly available to the designer of an active mine water treatment plant. Comparisons are made between each of these options, based on technical and financial criteria. The various different treatment technologies available are reviewed and comparisons made between conventional precipitation (using hydroxides, sulphides and carbonates), high density sludge processes and super-saturation precipitation. The selection of reagents (quick lime, slaked lime, sodium hydroxide, sodium carbonate, magnesium hydroxide, and proprietary chemicals) is considered and a comparison made on the basis of reagent cost, ease of use, final effluent quality and sludge settling criteria. The choice of oxidising agent (air, pure oxygen, peroxide, etc.) for conversion of ferrous to ferric iron is also considered. Whole life costs comparisons (capital, operational and decommissioning) are made between conventional hydroxide precipitation and the high density sludge process, based on the actual treatment requirements for four different mine waters. |
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R. Coulton, Unipure Europe Ltd., Wonastow Road, Monmouth NP25 5JA, United Kingdom |
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0967-0513 |
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The design and optimisation of active mine water treatment plants; 2530436; United-Kingdom 4; Geobase |
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CBU @ c.wolke @ 17513 |
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59 |
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Brooks, R.P.; Unz, R.F.; Davis, L.K.; Tarutis, W.J.; Yanchunas, J. |
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Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands |
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1990 |
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147 |
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Acid mine drainage Wetlands Biological treatment Iron removal Manganese removal |
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A promising low-technology solution for treating acidic mine drainage (AMD) emanating from coal mined lands involves the use of constructed wetlands.^The research was directed at addressing questions about retention mechanisms for the long-term storage of iron and manganese in constructed wetlands dominated by broad-leaved cattails (Typha latifolia).^Three sites in central Pennsylvania spanning the range of water chemistry parameters found in AMD were investigated.^When the AMD was circumneutral, and metal loadings were low, 79% of the iron, and 48% of the manganese were retained on average.^In the highly acidic site (pH approx.^= 3), < 10% of the metal loadings were retained.^The primary retention mechanism appears to be the formation of metal oxides in the aerobic zones of the sediments.^Although most microbial isolates extracted from sediment cores originated in the aerobic portions of the sediments, there was no evidence that they were transforming metals.^When AMD is circumneutral and metal loadings are low, constructed wetlands can be an effective approach to treating mine drainage.^At sites with highly acidic waters and high metal loadings, the use of constructed wetlands to treat AMD may be ineffectual, and should be implemented with caution. |
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Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands; Springfield, Va. : NTIS; Opac |
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CBU @ c.wolke @ 7082 |
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435 |
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Author |
Rukin, N. |
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Title |
Whittle mine water treatment system: In-river attenuation of manganese |
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Journal Article |
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2003 |
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Land Contam. Reclam. |
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11 |
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2 |
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137-144 |
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Pollution and waste management non radioactive Groundwater problems and environmental effects geological abstracts: environmental geology (72 14 2) geomechanics abstracts: excavations (77 10 10) river water natural attenuation manganese water treatment mine drainage coal mine |
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Much work has been undertaken on the design of treatment systems to remove iron from ochreous mine water discharges. Unlike iron, manganese removal is far more difficult and generally requires active chemical dosing rather than passive treatment. The need for manganese removal can therefore significantly change the economics, management attention and sustainability of a site. Understanding natural attenuation of manganese in river systems is therefore key to deciding whether (active) manganese treatment is needed to protect downstream receptors. Nuttall (2002, this volume) describes the effectiveness of the passive treatment system at Whittle in reducing both iron and manganese concentrations in ochreous mine waters. This paper discusses the results of in-river monitoring and provides evidence for manganese removal downstream of the discharge point. In addition to dilution, attenuation appears to be in the order of 20 to 50%, depending on relative rates of mine water discharge and river flows. Such attenuation means that active treatment may not be needed for the long-term operation of the Whittle scheme. Operation of the scheme commenced in July 2002, with monitoring to further examine evidence for manganese attenuation and any impact on the ecology of the recipient watercourses. |
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N. Rukin, Entec UK Ltd., 160-162 Abbey Foregate, Shrewsbury SY2 6BZ, United Kingdom |
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0967-0513 |
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Whittle mine water treatment system: In-river attenuation of manganese; 2530418; United-Kingdom 2; Geobase |
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CBU @ c.wolke @ 17521 |
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257 |
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Bernoth, L.; Firth, I.; McAllister, P.; Rhodes, S. |
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Title |
Biotechnologies for Remediation and Pollution Control in the Mining Industry |
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Journal Article |
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2000 |
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Miner. Metall. Process. |
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17 |
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2 |
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105-111 |
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bioremediation pollution control soil contamination solvents oils diesel hydrocarbons cyanide acid rock drainage microbial mats manganese bioremediation oxidation drainage removal water algae |
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As biotechnologies emerge from laboratories into main-stream application, the benefits they, offer are judged against competing technologies and business criteria. Bioremediation technologies have passed this test and are now widely used for the remediation of contaminated soils and ground waters. Bioremediation includes several distinct techniques that are used for the treatment of excavated soil and includes other techniques that are used for in situ applications. They play an important and growingrole in the mining industry for cost-effective waste management and site remediation. Most applications have been for petroleum contaminants, but advances continue to be made in the treatment of more difficult organ ic and inorganic species. This paper discusses the role of biotechnologies in remediation and pollution control from a mining-industry perspective. Several case studies are presented, including the land application of oily wastewater from maintenance workshops, the composting of hydrocarbon-contaminated soils and sludges, the bioventing of hydrocarbon solvents, the intrinsic bioremediation of diesel hydrocarbons, the biotreatment of cyanide in water front a gold mine, and the removal of manganese from acidic mine drainage. |
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0747-9182 |
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Biotechnologies for Remediation and Pollution Control in the Mining Industry; Isi:000087094600005; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17307 |
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450 |
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