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Author |
LaPointe, F.; Fytas, K.; McConchie, D. |
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Title |
Using permeable reactive barriers for the treatment of acid rock drainage |
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Journal Article |
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Year |
2005 |
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International journal of surface mining, reclamation and environment |
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19 |
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1 |
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57-65 |
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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) waste management remediation mining industry pollution control acid mine drainage reactive barrier aluminium industry effluents industrial waste mineral processing industry oxidation waste handling permeable reactive barriers acid rock drainage treatment acid mine drainage environmental problem Canadian mineral industry oxidation sulphide minerals mine waste mine tailings heavy metals acid remediation technology metallurgical residues aluminium extraction industry acid mine effluents Manufacturing and Production acid mine drainage Bauxsol Canada disposal barriers effluents experimental studies heavy metals instruments oxidation permeable reactive barriers pollutants pollution pyrite pyrrhotite remediation sulfides tailings waste disposal waste management |
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Acid mine drainage (AMD) is the most serious environmental problem facing the Canadian mineral industry today. It results from oxidation of sulphide minerals (e.g. pyrite or pyrrhotite) contained in mine waste or mine tailings and is characterized by acid effluents rich in heavy metals that are released into the environment. A new acid remediation technology is presented, by which metallurgical residues from the aluminium extraction industry are used to construct permeable reactive barriers (PRBs) to treat acid mine effluents. This technology is very promising for treating acid mine effluents in order to decrease their harmful environmental effects |
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1389-5265 |
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Using permeable reactive barriers for the treatment of acid rock drainage; 8467608; Journal Paper; SilverPlatter; Ovid Technologies |
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CBU @ c.wolke @ 16786 |
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12 |
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Author |
Rees, B. |
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Title |
An overview of passive mine water treatment in Europe |
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Journal Article |
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Year |
2005 |
Publication |
Mine Water Env. |
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24 |
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1 |
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26-28 |
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abandoned mines; Europe; ground water; mines; mining; pollutants; pollution; protection; surface water; water pollution; water quality; water treatment 22, Environmental geology |
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1025-9112 |
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An overview of passive mine water treatment in Europe; 2007-023994; 1 table Federal Republic of Germany (DEU); GeoRef; English |
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CBU @ c.wolke @ 5411 |
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19 |
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Coulton, R.H.; Williams, K.P. |
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Title |
Active treatment of mine water; a European perspective |
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Journal Article |
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2005 |
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Mine Water Env. |
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24 |
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1 |
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23-26 |
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abandoned mines; Europe; ground water; mines; mining; pollutants; pollution; protection; surface water; water pollution; water quality; water treatment 22, Environmental geology |
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1025-9112 |
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Active treatment of mine water; a European perspective; 2007-023995; illus. incl. 3 tables Federal Republic of Germany (DEU); GeoRef; English |
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CBU @ c.wolke @ 5412 |
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20 |
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Akcil, A.; Koldas, S. |
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Acid Mine Drainage (AMD): causes, treatment and case studies |
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Journal Article |
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2006 |
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J. Cleaner Prod. |
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14 |
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12-13 |
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1139-1145 |
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contamination effluents government industrial pollution industrial waste mining industry research initiatives wastewater treatment acid mine drainage environmental problems mining industry government research initiatives contamination civil engineering mining quarrying activity environmental impact acid generating process acid drainage migration prevention measures effluent treatment chemical treatment biological treatment Manufacturing and Production Entwässern=Gelände Umweltbelastung Bauingenieurwesen Bergbau Sickerwasser Steinbruch Säureproduktion Neutralisation Bergbauindustrie technische Forschung Ingenieurswissenschaft Steinbruchabbau Acid Mine Drainage Mining Environmental Chemical and biological treatment |
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This paper describes Acid Mine Drainage (AMD) generation and its associated technical issues. As AMD is recognized as one of the more serious environmental problems in the mining industry, its causes, prediction and treatment have become the focus of a number of research initiatives commissioned by governments, the mining industry, universities and research establishments, with additional inputs from the general public and environmental groups. In industry, contamination from AMD is associated with construction, civil engineering mining and quarrying activities. Its environmental impact, however, can be minimized at three basic levels: through primary prevention of the acid-generating process; secondary control, which involves deployment of acid drainage migration prevention measures; and tertiary control, or the collection and treatment of effluent. |
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0959-6526 |
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Acid Mine Drainage (AMD): causes, treatment and case studies; Science Direct |
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CBU @ c.wolke @ 17462 |
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36 |
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Potgieter-Vermaak, S.S.; Potgieter, J.H.; Monama, P.; Van Grieken, R. |
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Title |
Comparison of limestone, dolomite and fly ash as pre-treatment agents for acid mine drainage |
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Journal Article |
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Year |
2006 |
Publication |
Minerals Engineering |
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19 |
Issue |
5 |
Pages |
454-462 |
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Acid rock drainage Mining Tailings Environmental |
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The physical, chemical and biological nature of Vaal Dam water, the main source of water in Gauteng, South Africa, is often affected by underground water pollution (acid mine water) and industrial effluents. The ecological significance and detrimental effects necessitate investigations into treating the water prior to discharge into public streams. Although several acid mine water treatment techniques and methods exist, they all have certain disadvantages. Lime treatment is the most common approach. In this investigation, limestone, dolomite and fly ash were selected as pre-treatment agents based on their low cost. Simulated acid mine water containing these agents was tested using a Jar Test apparatus. Samples were analyzed before and after treatment for pH, ferrous, ferric, calcium, magnesium and sulphate ions. The study demonstrated that the quality of the water improved with an increase in the amount and surface area of the raw material dosed and an increase in contact time. It was also influenced by the chemical composition of the acid mine water and aeration. Chemical cost savings of 38% are achieved when lime is replaced with limestone, and cost savings of 23% and 48% can be accomplished when limestone is substituted with dolomite and fly ash respectively. This could result in significant savings to the gold and coal mining industries, and could lead to a mutual benefit/gain between industrialists/polluters and the public. |
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0892-6875 |
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Apr.; Comparison of limestone, dolomite and fly ash as pre-treatment agents for acid mine drainage; Science Direct |
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CBU @ c.wolke @ 17461 |
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42 |
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