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Author |
Whitehead, P.G. |
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Title |
Bioremediation of acid mine drainage: an introduction to the Wheal Jane wetlands project |
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Journal Article |
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2005 |
Publication |
Science of the Total Environment |
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338 |
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1-2 |
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15-21 |
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mine water treatment |
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Abstract |
Acid mine drainage (AMD) is a widespread environmental problem associated with both working and abandoned mining operations. As part of an overall strategy to determine a long-term treatment option for AMD, a pilot passive treatment plant was constructed in 1994 at Wheat Jane Mine in Cornwall, UK. The plant consists of three separate systems; each containing aerobic reed beds, anaerobic cell and rock filters, and represents the largest European experimental facility of its kind. The systems only differ by the type of pre-treatment utilised to increase the pH of the influent minewater (pH<4): lime-dosed (LD), anoxic limestone drain (ALD) and lime free (LF), which receives no form of pre-treatment. The Wheal Jane pilot plant offered a unique facility and a major research project was established to evaluate the pilot plant and study in detail the biological mechanisms and the geochemical and physical processes that control passive treatment systems. The project has led to data, knowledge, models and design criteria for the future design, planning and sustainable management of passive treatment systems. A multidisciplinary team of scientists and managers from the U.K. universities, the Environment Agency and the Mining Industry has been put together to obtain the maximum advantage from the excellent facilities facility at Wheal Jane. (C) 2004 Elseaier B.V All rights reserved. |
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Bioremediation of acid mine drainage: an introduction to the Wheal Jane wetlands project; Wos:000227130400003; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 16972 |
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116 |
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Olaniran, A.O. |
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Title |
Biostimulation and bioaugmentation enhances aerobic biodegradation of dichloroethenes |
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Journal Article |
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Year |
2006 |
Publication |
Chemosphere |
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63 |
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4 |
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600-608 |
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mine water treatment |
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The accumulation of dichloroethenes (DCEs) as dominant products of microbial reductive dechlorination activity in soil and water represent a significant obstacle to the application of bioremediation as a remedial option for chloroethenes in many contaminated systems. In this study, the effects of biostimulation and/or bioaugmentation on the biodegradation of cis- and trans-DCE in soil and water samples collected from contaminated sites in South Africa were evaluated in order to deter-mine the possible bioremediation option for these compounds in the contaminated sites. Results from this study indicate that cis- and trans-DCE were readily degraded to varying degrees by natural microbial populations in all the soil and water samples tested, with up to 44% of cis-DCE and 41% of trans-DCE degraded in the untreated soil and water samples in two weeks. The degradation rate constants ranged significantly (P < 0.05) between 0.0938 and 0.560 wk(-1) and 0.182 and 0.401 wk(-1), for cis- and trans-DCE, respectively, for the various treatments employed. A combination of biostimulation and bioaugmentation significantly increased the biodegradation of both compounds within two weeks; 14% for cis-DCE and 18% for trans-DCE degradation, above those observed in untreated soil and water samples. These findings support the use of a combination of biostimulation and bioaugmentation for the efficient biodegradation of these compounds in contaminated soil and water. In addition, the results clearly demonstrate that while naturally occurring microorganisms are capable of aerobic biodegradation of cis- and trans-DCE, biotransformation may be affected by several factors, including isomer structure, soil type, and the amount of nutrients available in the water and soil. (c) 2005 Elsevier Ltd. All rights reserved. |
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Biostimulation and bioaugmentation enhances aerobic biodegradation of dichloroethenes; Wos:000237379500007; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16936 |
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111 |
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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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Fricke, J.; Blickwedel, R.; Hagerty, P. |
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Title |
Biotreatment of metal mine waste waters; case histories |
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1997 |
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Open-File Report – US Geological Survey |
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Of 97-0496 |
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25 |
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abandoned mines acid mine drainage bacteria bioremediation chemical composition concentration efficiency geochemistry metals mines pollution remediation USGS waste water water quality water treatment |
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0196-1497 |
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Biotreatment of metal mine waste waters; case histories; 1; GeoRef: 98-68755 160101 / € 0; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 9627 |
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375 |
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Author |
Kringel, R. |
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Title |
Untersuchungen zur Verminderung von Auswirkungen der Pyritoxidation in Abraumsedimenten des Rheinischen Braunkohlenreviers auf die Chemie des Grundwassers |
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1998 |
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178 |
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Braunkohlentagebau Pyrit Oxidation Grubenwasser Gewässerversauerung Neutralisation <Chemie> |
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3-931713-52-0 |
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Bochum, Univ., Diss.; Untersuchungen zur Verminderung von Auswirkungen der Pyritoxidation in Abraumsedimenten des Rheinischen Braunkohlenreviers auf die Chemie des Grundwassers; Darmstadt : DDD, Dr. und Verl.; Bochum, Univ., Diss.; Opac |
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CBU @ c.wolke @ 6941 |
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326 |
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