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Mitchell, P. |
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Title |
Silica micro encapsulation: An innovative commercial technology for the treatment of metal and radionuclide contamination in water and soil |
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Journal Article |
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2000 |
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Environmental Issues and Management of Waste in Energy and Mineral Production |
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307-314 |
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mine water treatment |
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Klean Earth Environmental Company (KEECO) has developed the Silica Micro Encapsulation (SME) technology to treat heavy metals and radionuclides in water and soil. Unlike conventional neutralization/precipitation methods, SME encapsulates the contaminants in a permanent silica matrix resistant to degradation under even extreme environmental conditions. Encapsulated metals and radionuclides are effectively immobilized, minimising the potential for environmental contamination and impacts on human or ecosystem health. The effectiveness of SME has been proven through independent reviews, laboratory and field trials and commercial contracts, and the technology can be used to control and prevent acid drainage and the transport of soluble metals from mine sites, tailings areas, landfills and industrial sites. Successful demonstrations in the treatment of sediments and in brownfield redevelopment, treatment of metal-finishing wastewaters, and control of hazardous, low-level, and mixed waste at DOE/DOD sites and commercial nuclear power plants have also been undertaken. This paper describes the reactions involved in the SME process, the methods by which SME chemicals are introduced to various media, and recent project applications relevant to the cost effective remediation and prevention of environmental problems arising from energy and mineral production. |
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Silica micro encapsulation: An innovative commercial technology for the treatment of metal and radionuclide contamination in water and soil; Isip:000088357300049; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 17088 |
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174 |
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McGregor, R. |
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The use of an in-situ porous reactive wall to remediate a heavy metal plume |
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2000 |
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ICARD 2000, Vols I and II, Proceedings |
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1227-1232 |
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mine water treatment |
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The oxidation of sulfide minerals at an ore transfer location in Western Canada has resulted in widespread contamination of underlying soil and groundwater. The oxidation of sulfide minerals has released sulfate [SO4] and heavy metals including cadmium [Cd], copper [Cu], nickel [Ni], lead [Pb], and zinc [Zn] into the groundwater. A compost-based sulfate-reducing reactive wall was installed in the path of the plume in an attempt to reduce the potential impact of the heavy metals on a down-gradient marine inlet. Monitoring of the reactive wall over a 21-month period has shown that Cu concentrations decrease from over 4000 mug/L to less than 5 mug/L. Cadmium, Ni, Pb, and Zn concentrations also show similar decreases with treated concentrations generally being observed near or below detection limits. |
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The use of an in-situ porous reactive wall to remediate a heavy metal plume; Isip:000169875500122; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 17109 |
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166 |
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McConchie, D.M.; Clark, M.; Hanahan, C.; Baun, R. |
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New treatments for the old problems of acid mine drainage and sulphidic mine tailings storage |
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2000 |
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acid mine drainage; ash; carbonate rocks; clastic sediments; construction materials; crushed stone; hydroxides; iron hydroxides; iron oxides; mines; mud; oxides; pH; pollution; reclamation; red mud; remediation; sea water; sedimentary rocks; sediments; storage; sulfides; tailings; waste management 22, Environmental geology |
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Programme & Abstracts - International Symposium on Environmental Geochemistry (ISEG), vol.5 |
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5th international symposium on Environmental geochemistry; conference abstracts and scientific programme |
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2006-033067; 5th international symposium on Environmental geochemistry, Cape Town, South Africa, April 2004; GeoRef; English |
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CBU @ c.wolke @ 5858 |
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304 |
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Magdziorz, A.; Sewerynski, J. |
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The use of membrane technique in mineralised water treatment for drinking and domestic purposes at “Pokoj” coal mine district under liquidation |
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Book Chapter |
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2000 |
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7th international Mine Water Association congress; Mine water and the environment |
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430-442 |
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abandoned mines; Central Europe; coal mines; drinking water; environmental analysis; Europe; ground water; Katowice Poland; mine drainage; mines; Pokoj mining district; Poland; remediation; Upper Silesian coal basin; water treatment 22, Environmental geology |
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Uniwersytet Slaski |
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Sosnowiec |
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Rozkowski, A. |
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8387431230 |
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The use of membrane technique in mineralised water treatment for drinking and domestic purposes at “Pokoj” coal mine district under liquidation; GeoRef; English; 2002-018165; 7th international Mine Water Association congress; Mine water and the environment, Katowice-Ustron, Poland, Sept. 11-15, 2000 References: 4; illus. incl. 4 tables |
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CBU @ c.wolke @ 5849 |
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311 |
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Komnitsas, K.; Xenidis, A.; Tabouris, S. |
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Composite cover for the prevention of acid mine drainage |
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2000 |
Publication |
Mining Environmental Management |
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8 |
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6 |
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14-17 |
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acid mine drainage; case studies; dams; Europe; field studies; Greece; Laurion Greece; pollution; preventive measures; remediation; Southern Europe; Sterea Ellas; tailings; tailings dams 22, Environmental geology |
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0969-4218 |
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Composite cover for the prevention of acid mine drainage; 2001-038333; References: 4; illus. incl. 4 tables United Kingdom (GBR); GeoRef; English |
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CBU @ c.wolke @ 5800 |
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327 |
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