| Records |
| Author |
Ntengwe, F.W. |
| Title |
An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies – The case of Nkana Mine in Zambia |
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Journal Article |
| Year |
2005 |
Publication  |
Phys. Chem. Earth |
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30 |
Issue |
11-16 Spec. Iss. |
Pages |
726-734 |
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mine water treatment Groundwater problems and environmental effects Pollution and waste management non radioactive geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) wastewater pollution control acid mine drainage Hyacinthus Zambia Southern Africa Sub Saharan Africa Africa Eastern Hemisphere World |
| Abstract |
The wastewaters coming from mining operations usually have low pH (acidic) values and high levels of metal pollutants depending on the type of metals being extracted. If unchecked, the acidity and metals will have an impact on the surface water. The organisms and plants can adversely be affected and this renders both surface and underground water unsuitable for use by the communities. The installation of a treatment plant that can handle the wastewaters so that pH and levels of pollutants are reduced to acceptable levels provides a solution to the prevention of polluting surface and underground waters and damage to ecosystems both in water and surrounding soils. The samples were collected at five points and analyzed for acidity, total suspended solids, and metals. It was found that the pH fluctuated between pH 2 when neutralization was forgotten and pH 11 when neutralization took place. The levels of metals that could cause impacts to the water ecosystem were found to be high when the pH was low. High levels of metals interfere with multiplication of microorganisms, which help in the natural purification of water in stream and river bodies. The fish and hyacinth placed in water at the two extremes of pH 2 and pH 11 could not survive indicating that wastewaters from mining areas should be adequately treated and neutralized to pH range 6-9 if life in natural waters is to be sustained. < copyright > 2005 Elsevier Ltd. All rights reserved. |
| Address |
F.W. Ntengwe, Copperbelt University, School of Technology, P.O. Box 21692, Kitwe, Zambia fntengwe@cbu.ac.zm |
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1474-7065 |
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Review; An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies – The case of Nkana Mine in Zambia; 2790318; United-Kingdom 23; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10301.pdf; Geobase |
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CBU @ c.wolke @ 17497 |
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24 |
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Laspidou, C.S. |
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Constructed wetlands technology and water quality improvement: Recent advances |
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Journal Article |
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2005 |
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Proceeding of the 9th International Conference on Environmental Science and Technology Vol B – Poster Presentations |
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B503-B508 |
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mine water treatment |
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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 |
Johnson, D.B.; Hallberg, K.B. |
| Title |
Acid mine drainage remediation options: a review |
Type |
Journal Article |
| Year |
2005 |
Publication |
Science of the Total Environment |
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| Volume |
338 |
Issue |
1-2 |
Pages |
3-14 |
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Wetlands and estuaries Pollution and waste management non radioactive geographical abstracts: physical geography hydrology (71 6 8) geological abstracts: environmental geology (72 14 2) biological method pollutant removal water treatment wastewater bioremediation constructed wetland acid mine drainage Cornwall England England United Kingdom Western Europe Europe Eurasia Eastern Hemisphere World Acid mine drainage Bioreactors Bioremediation Sulfidogenesis Wetlands Wheal Jane |
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Acid mine drainage (AMD) causes environmental pollution that affects many countries having historic or current mining industries. Preventing the formation or the migration of AMD from its source is generally considered to be the preferable option, although this is not feasible in many locations, and in such cases, it is necessary to collect, treat, and discharge mine water. There are various options available for remediating AMD, which may be divided into those that use either chemical or biological mechanisms to neutralise AMD and remove metals from solution. Both abiotic and biological systems include those that are classed as “active” (i.e., require continuous inputs of resources to sustain the process) or “passive” (i.e., require relatively little resource input once in operation). This review describes the current abiotic and bioremediative strategies that are currently used to mitigate AMD and compares the strengths and weaknesses of each. New and emerging technologies are also described. In addition, the factors that currently influence the selection of a remediation system, and how these criteria may change in the future, are discussed. |
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0048-9697 |
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Feb. 01; Acid mine drainage remediation options: a review; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10052.pdf; Science Direct |
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CBU @ c.wolke @ 17464 |
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47 |
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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 |
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2005 |
Publication |
Science of the Total Environment |
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| Volume |
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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Yeon, K.-M.; Park, J.-S.; Lee, C.-H.; Kim, S.-M. |
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Membrane coupled high-performance compact reactor: A new MBR system for advanced wastewater treatment |
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Journal Article |
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2005 |
Publication |
Water Res |
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| Volume |
39 |
Issue |
10 |
Pages |
1954-1961 |
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0043-1354 |
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Membrane coupled high-performance compact reactor: A new MBR system for advanced wastewater treatment; 1674274289; UB Bayreuth <703> TU Berlin <83> UB Braunschweig <84> SUB Bremen <46> UB Cottbus <Co 1> SLUB Dresden <14> SUB Goettingen <7> SUB+Uni Hamburg <18> TUB Hamburg <830> TIB/UB Hannover <89> UB Ilmenau <Ilm 1> UB Karlsruhe <90> ULB + FH Merseburg <3/55> BSB München <12> Österreichische ZB Physik, Wie; OLC-SSG Technik – Online Contents-Sondersammelgebiete |
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CBU @ c.wolke @ 2188 |
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201 |
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