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MDAG Case Study 17
Thiobacillus ferrooxidans, which has been granted the mighty powers of driving acidic drainage (ARD) and metal leaching at minesites. To some, there would be no ARD without ... Environments. Can the Gaia Theorem help to explain this? In our own work with minesite-drainage chemistry, we see repeating patterns over decades of monitoring and in high-frequency monitoring. ...
www.mdag.com


MDAG Case Study 14
Because predictions indicated acidic drainage from the on-land ... acidic drainage is diluted in the saltwater column and that some sulphide production is beginning. As a result, Island Copper has implemented a low-maintenance closure plan for control of acidic drainage ...
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Mine Environment Neutral Drainage
Drainage Mine Environment Neutral Drainage at CANMET-MMSL Through the Mine Environment Neutral Drainage (MEND) Program, Canadian mining companies and provincial/territorial and federal departments have reduced the liability due to acidic drainage ... control acidic drainage. Tremendous progress has been made. The target is for new mines to open without long-term concerns about acidic drainage upon ...
www.nrcan.gc.ca


Free Video - Mine Environment Neutral Drainage at CANMET-MMSL
Drainage at CANMET-MMSL Site Map Free Video Publications/Reports • MEND Monitor Case Studies Upcoming Events Technical Contacts Photo Gallery Related Links Free Video Mine Environment Neutral Drainage at CANMET-MMSL "Acidic Drainage ...
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Internet Case Studies
Long-Term Control of Acidic Drainage at Island Copper Mine, British Columbia, Canada Morin, K.A., and N.M. Hutt. 1999. Mine Closure and Long-Term Control of Acidic Drainage at Island Copper Mine ... ABA Results for the Prediction of Acidic Drainage Morin, K.A., and N.M. Hutt. 1999. Comparison of NAG Results to ABA Results for the Prediction of Acidic Drainage. MDAG Internet Case Study #10 ...
mdag.com


Links
ANSTO has carried out many studies around the world on sulphide-mineral oxidation and acidic drainage. http://www.claire.co.uk - Claire (Contaminated Lands: Applications in Real Environments) is a partnership ...
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Evaluation of Low Sulphur Tailings for Reducing Acid Mine Drainage
Evaluation of Low Sulphur Tailings for Reducing Acid Mine Drainage Introduction The reduction of sulphur content in tailings waste ... surface 0.3 and 1.4 years after deposition, respectively. Acidic pore-water pH values near the surface of the LST ... in the prevention of acid mine drainage. Proceedings of the Fourth International Conference on Acid Rock Drainage, May 30 June 6, 1997, Vancouver ...
www.science.uwaterloo.ca


Metal Mobility in an Aquifer affected by Acid Mine Drainage
Sciences University of Waterloo Metal Mobility in Tailings and an Aquifer affected by Acid Mine Drainage Introduction Although the acid produced by the oxidation of sulfidic mine tailings is often ... 50 years or more after the initial exposure of the tailings to the atmosphere. These acidic waters have the potential to dissolve minerals in downgradient aquifers, including metal-rich minerals, ...
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What is Acid Drainage? - International Network for Acid Prevention
(ARD) or acid mine drainage (AMD)). As the water becomes more acidic, its capacity to leach out other elements from the rock, such as metals, increases. The resulting drainage ...
inap.com.au




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