| Records |
| Author |
Kuyucak, N. |
| Title |
Acid mine drainage prevention and control options |
Type |
Journal Article |
| Year |
2002 |
Publication |
CIM Bull. |
Abbreviated Journal |
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| Volume |
95 |
Issue |
1060 |
Pages |
96-102 |
| Keywords |
acid mine drainage prevention tailings environment waste sulphides Groundwater problems and environmental effects Pollution and waste management non radioactive Surface water quality Waste Management and Pollution Policy tailings sulfide mining industry waste management |
| Abstract |
Acid mine drainage (AMD) is one of the most significant environmental challenges facing the mining industry worldwide. It occurs as a result of natural oxidation of sulphide minerals contained in mining wastes at operating and closed/decommissioned mine sites. AMD may adversely impact the surface water and groundwater quality and land use due to its typical low pH, high acidity and elevated concentrations of metals and sulphate content. Once it develops at a mine, its control can be difficult and expensive. If generation of AMD cannot be prevented, it must be collected and treated. Treatment of AMD usually costs more than control of AMD and may be required for many years after mining activities have ceased. Therefore, application of appropriate control methods to the site at the early stage of the mining would be beneficial. Although prevention of AMD is the most desirable option, a cost-effective prevention method is not yet available. The most effective method of control is to minimize penetration of air and water through the waste pile using a cover, either wet (water) or dry (soil), which is placed over the waste pile. Despite their high cost, these covers cannot always completely stop the oxidation process and generation of AMD. Application of more than one option might be required. Early diagnosis of the problem, identification of appropriate prevention/control measures and implementation of these methods to the site would reduce the potential risk of AMD generation. AMD prevention/control measures broadly include use of covers, control of the source, migration of AMD, and treatment. This paper provides an overview of AMD prevention and control options applicable for developing, operating and decommissioned mines. |
| Address |
Dr. N. Kuyucak, Golder Associates Ltd., Ottawa, Ont., Canada |
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0317-0926 |
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Acid mine drainage prevention and control options; 2419232; Canada 38; Geobase |
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CBU @ c.wolke @ 17532 |
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64 |
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| Author |
Bell, A.V. |
| Title |
Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages |
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Journal Article |
| Year |
1975 |
Publication |
CIM Bull. |
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| Volume |
68 |
Issue |
764 |
Pages |
39-46 |
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mine water treatment |
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Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages; Wos:A1975az60400006; Times Cited: 1; ISI Web of Science |
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no |
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CBU @ c.wolke @ 9249 |
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99 |
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| Author |
Berthelot, D.; Haggis, M.; Payne, R.; McClarty, D.; Courtain, M. |
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Application of water covers, remote monitoring and data management systems to environmental management at uranium tailings sites in the Serpent River Watershed |
Type |
Journal Article |
| Year |
1999 |
Publication |
CIM Bull. |
Abbreviated Journal |
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| Volume |
92 |
Issue |
1033 |
Pages |
70-77 |
| Keywords |
mine water treatment Bergbau Industrieabfall Abwasserbehandlung Umweltschutz Umwelttechnik Umweltüberwachung Umweltverschmutzung Versatzgut Uranbergbau Managementsystem Aufbereitungsrückstand |
| Abstract |
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 |
Serial |
131 |
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| Author |
Zinck, J.M.; Aube, B.C. |
| Title |
Optimization of lime treatment processes |
Type |
Journal Article |
| Year |
2000 |
Publication |
CIM Bull. |
Abbreviated Journal |
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| Volume |
93 |
Issue |
1043 |
Pages |
98-105 |
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Pollution and waste management non radioactive Groundwater problems and environmental effects geological abstracts: environmental geology (72 14 2) geomechanics abstracts: excavations (77 10 10) acid mine drainage buffering lime Canada |
| Abstract |
Lime neutralization technology is widely used in Canada for the treatment of acid mine drainage and other acidic effluents. In many locations, improvements to the lime neutralization process are necessary to achieve a maximum level of sludge densification and stability. Conventional lime neutralization technology effectively removes dissolved metals to below regulated limits. However, the metal hydroxide and gypsum sludge generated is voluminous and often contains less than 5% solids. Despite recent improvements in the lime neutralization technology, each year, more than 6 700 000 m3 of sludge are generated by treatment facilities operated by the Canadian mining industry. Because lime neutralization is still seen as the best available approach for some sites, sludge production and stability are expected to remain as issues in the near future. Several treatment parameters significantly impact operating costs, effluent quality, sludge production and the geochemical stability of the sludge. Studies conducted both at CANMET and NTC have shown that through minor modifications to the treatment process, plant operators can experience a reduction in operating costs, volume of sludge generated, metal release to the environment and liability. This paper discusses how modifications in plant operation and design can reduce treatment costs and liability associated with lime treatment. |
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J.M. Zinck, CANMET, Mining and Mineral Sciences Lab., Natural Resources Canada, Ottawa, Ont., Canada |
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0317-0926 |
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Optimization of lime treatment processes; 2291672; Canada 17; Geobase |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17537 |
Serial |
183 |
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| Author |
Walter, M.K. |
| Title |
Underground Water-treatment at the Kidd Creek Mines |
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Journal Article |
| Year |
1988 |
Publication |
CIM Bull. |
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81 |
Issue |
918 |
Pages |
59-62 |
| Keywords |
mine water |
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0317-0926 |
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Underground Water-treatment at the Kidd Creek Mines; Isi:A1988r080400011; AMD ISI | Wolkersdorfer |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17436 |
Serial |
220 |
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