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Berthelot, D.; Haggis, M.; Payne, R.; McClarty, D.; Courtain, M. |
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Title |
Application of water covers, remote monitoring and data management systems to environmental management at uranium tailings sites in the Serpent River Watershed |
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Journal Article |
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1999 |
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CIM Bull. |
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92 |
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1033 |
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70-77 |
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mine water treatment Bergbau Industrieabfall Abwasserbehandlung Umweltschutz Umwelttechnik Umweltüberwachung Umweltverschmutzung Versatzgut Uranbergbau Managementsystem Aufbereitungsrückstand |
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Over forty years of uranium mining in the Elliot lake region of Ontario (1956-1996) has resulted in the production of over 300 million pounds of uranium. With the completion of mining activity Rio Algom limited and Denison Mines limited are utilizing progressive environmental technologies and management systems to reduce and manage the environmental risks associated with the 150 million tonnes of potentially acid-generating tailings in nine regional waste management areas. Water covers designed to reduce oxygen entry and, thereby, significantly inhibit acid generation, have been applied at six of the sites with the Quirke site serving as a demonstration site for the Mine Environmental Neutral Drainage program, All five of Rio Algom limited's effluent treatment plants are monitored and controlled from a central control station utilizing a Supervisory Control and Data Acquisition (SCADA) system based on “Fix Dmacs” technology Scheduling, auditing and reporting of plant operating and environmental monitoring programs for the entire watershed are controlled utilizing the Regional Environmental Information Management System (REIMS). Proper application of these technologies and management systems facilitates delivery of cost-effective environmental monitoring, care and maintenance programs at these sites and provides tools to demonstrate compliance with all environmental performance criteria. |
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Sept.; Application of water covers, remote monitoring and data management systems to environmental management at uranium tailings sites in the Serpent River Watershed; Wos:000083074000018; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 8475 |
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131 |
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Groudev, S.N.; Georgiev, P.S.; Spasova, I.I.; Nicolova, M.N. |
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Title |
In situ treatment of mine waters by means of a permeable barrier |
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Journal Article |
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2000 |
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Groundwater 2000 |
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417-418 |
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mine water treatment |
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Acid ground waters contaminated with radioactive elements (U, Ra, Th), toxic heavy metals (Cu, Zn, Cd, Mn, Fe), arsenic and sulphates were treated by means of a permeable barrier. The barrier was filled with a mixture of biodegradable solid organic substrates (spent mushroom compost, sawdust and cow manure) and was inhabited by a mixed microbial community consisting of sulphate-reducing bacteria and other metabolically interdependent microorganisms. An efficient removal of the pollutants was achieved by this barrier during the different climatic seasons, even at ambient temperatures close to degrees C. The microbial dissimilatory sulphate reduction and the sorption of pollutants by the organic matter in the barrier were the main processes involved in this removal. |
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In situ treatment of mine waters by means of a permeable barrier; Isip:000088384300185; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 8407 |
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173 |
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Lawrence, R. |
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Technology reduces sulphur compounds – A new way of treating acid mine drainage |
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2002 |
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Canadian Mining Journal |
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123 |
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7 |
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27-27 |
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mine water treatment |
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Technology reduces sulphur compounds – A new way of treating acid mine drainage; Wos:000179123100016; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 8075 |
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120 |
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Konieczny, K. |
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Title |
Mining waters treatment for drinking and economic aims |
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Journal Article |
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2003 |
Publication |
VI National Polish Scientific Conference on Complex and Detailed Problems of Environmental Engineering |
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21 |
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333-348 |
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mine water treatment |
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Poland is comparatively a poor country in relation to resources of drinking water. In count per capita it is oil one of the last places in Europe. Such state forces to save resources for example by closing water circulations and also desalination of mining waters. |
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Mining waters treatment for drinking and economic aims; Isip:000245280000020; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 7958 |
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149 |
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Catalan, L.J.J.; Yin, G. |
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Comparison of calcite to quicklime for amending partially oxidized sulfidic mine tailings before flooding |
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2003 |
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Environ Sci Technol |
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37 |
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7 |
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1408-1413 |
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mine water treatment |
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Flooding partially oxidized mine tailings for the purpose of mitigating further oxidation of sulfide minerals and generation of acid drainage is generally preceded by treatment with alkaline amendments to prevent releasing previously accumulated acidity to the water cover. This work compares the ability of calcite (CaCO3) and quicklime (CaO), two common amendments, to establish and maintain pH conditions and dissolved metal concentrations within environmentally acceptable ranges over long time periods. Although higher initial pH values were obtained with quicklime, the pH of quicklime treated tailings decreased over time. This was attributed to the low buffering capacity of quicklime treated tailings and to the consumption of hydroxide ions by incongruent dissolution of water-insoluble iron oxyhydroxysulfate minerals. In contrast, the pH of tailings treated with calcite increased initially and then remained stable at pH approximate to 6.7. This pH behavior was due to the lower reactivity of iron oxyhydroxysulfates with calcite, the increased buffering capacity provided by bicarbonate ions, and the incomplete dissolution of calcite. Overall, calcite was found preferable to quicklime for maintaining long-term neutral pH conditions in the treated tailings. With the exception of zinc, acceptable dissolved metal concentrations were achieved with calcite treated tailings. |
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0013-936x |
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Apr. 01; Comparison of calcite to quicklime for amending partially oxidized sulfidic mine tailings before flooding; Wos:000181977000050; Times Cited: 2; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/7917.pdf; ISI Web of Science |
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CBU @ c.wolke @ 7917 |
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118 |
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