| Records |
| Author |
Laspidou, C.S. |
| Title |
Constructed wetlands technology and water quality improvement: Recent advances |
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Journal Article |
| Year |
2005 |
Publication |
Proceeding of the 9th International Conference on Environmental Science and Technology Vol B – Poster Presentations |
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Pages |
B503-B508 |
| Keywords |
mine water treatment |
| Abstract |
Today's demands for improved water quality in receiving waters are widespread and require the implementation of systems that are natural, low-cost and minimal-maintenance that could effectively treat polluted discharges. Wetlands are such systems and are recently receiving a lot of attention from scientists, ecologists and engineers, as they are deemed appropriate for reducing the impact of effluent and run-off on receiving waters. Since a large part of natural wetlands have been lost-about 53% of them in the United States from the 1780s to the 1980s-management options for improving receiving water quality, water reclamation and reuse involve the application of constructed wetlands technology. |
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Constructed wetlands technology and water quality improvement: Recent advances; Isip:000237755500082; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16966 |
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152 |
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| Author |
Whitehead, P.G. |
| Title |
Bioremediation of acid mine drainage: an introduction to the Wheal Jane wetlands project |
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Journal Article |
| Year |
2005 |
Publication |
Science of the Total Environment |
Abbreviated Journal |
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338 |
Issue |
1-2 |
Pages |
15-21 |
| Keywords |
mine water treatment |
| 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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Maniatis, T. |
| Title |
Biological removal of arsenic from tailings pond water at Canadian mine |
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Journal Article |
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2005 |
Publication |
Arsenic Metallurgy |
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Pages |
209-214 |
| Keywords |
mine water treatment |
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Applied Biosciences has developed a biological technology for removal of arsenic, nitrate, selenium, and other metals from mining and industrial waste waters. The ABMet((R)) technology was implemented at a closed gold mine site in Canada for removing arsenic from tailings pond water. The system included six bioreactors that began treating water in the spring of 2004. Design criteria incorporated a maximum flow of 567 L/min (150 gallons per minute) and water temperatures ranging from 10 degrees C to 15 degrees C. Influent arsenic concentrations range from 0.5 mg/L to 1.5 mg/L. The ABMet((R)) technology consistently removes arsenic to below detection limits (0.02 mg/L). Data from the full scale system will be presented, as well as regulatory requirements and site specific challenges. |
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Biological removal of arsenic from tailings pond water at Canadian mine; Isip:000228449400016; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16976 |
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154 |
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| Author |
Ayala, J.; Fernández, B. |
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Book Whole |
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2005 |
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Pages |
649-654 |
| Keywords |
flying ash copper cyanide gold mine tailing ponds detoxification |
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The objective of this study was to examine the use of flying ash to remove the copper cyanide species from gold mine effluents. In order to discharge them safely with minimum impact to the environment the effluents must be treated in such a way that the legal conditions were attained with the lowest possible cost. This paper presents the treatment of cyanide solution originating from tailing ponds at the end of detoxification by direct contact with flying ash. |
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University of Oviedo |
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Oviedo |
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Loredo, J.; Pendás, F. |
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Mine Water 2005 – Mine Closure |
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84-689-3415-1 |
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Adsorption of copper cyanide species from tailings pond on flying ash; 1; AMD ISI | Wolkersdorfer; FG 'aha' 4 Abb., 6 Tab. |
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CBU @ c.wolke @ 17296 |
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472 |
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Greben, H.A.; Matshusa, M.P.; Maree, J.P. |
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Book Whole |
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2005 |
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339-345 |
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water pollution biological Sulphate removal technology sulphate acidity metals treatment technique |
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Mining is implicated as a significant contributor to water pollution, the prime reason being, that pyrites oxidize to sulphuric acid when exposed to air and water. Mine effluents, often containing sulphate, acidity and metals, should be treated to render it suitable for re-use in the mining industry, for irrigation of crops or for discharge in water bodies. This study describes the removal of all three mentioned pollutants in mine effluents, from different origins, containing different concentrations of various metals. The objectives were achieved, applying the biological sulphate removal technology, using ethanol as the carbon and energy source. It was shown that diluting the mine effluent with the effluent from the biological treatment, the pH increased due to the alkalinity in the treated water while the metals precipitated with the produced sulphide. When this treatment regime was changed and the mine water was fed undiluted, it was found that the metals stimulated the methanogenic bacteria (MB) as trace elements. This resulted in a high COD utilization of the MB, such that too little COD was available for the SRB. Metal removal in all three studies was observed and in most instances the metals were eliminated to the required disposal concentration. |
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University of Oviedo |
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Oviedo |
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Loredo, J.; Pendás, F. |
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Mine Water 2005 – Mine Closure |
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84-689-3415-1 |
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The biological Sulphate removal technology; 1; AMD ISI | Wolkersdorfer; FG 'aha' 3 Abb., 9 Tab. |
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no |
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CBU @ c.wolke @ 17347 |
Serial |
367 |
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