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- 154University of Alberta Libraries Licensed Resources/Sixth International Conference on Acid Rock Drainage
- 78Oil Sands Research and Information Network (OSRIN)
- 28Oil Sands Research and Information Network (OSRIN)/AOSERP Reports
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- 2Soares, Joao (Chemical and Materials Engineering)
- 1Beier, Nicholas (Civil and Environmental Engineering)
- 1Beier,Nicholas
- 1Belosevic, Miodrag (Biological Sciences)
- 1Choi,Phillip (Chemical and Materials Engineering)
- 1Dr. Hooman Askari-Nasab (Department of Civil and Environmental Engineering, University of Alberta)
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Fall 2017
The focus of the research presented here was to directly measure actual evaporation rates from a tailings surface using a micrometeorological technique known as the eddy covariance method. Depending on the results, it would be determined whether current drying models need to be calibrated with...
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2003
There are a number of different mechanisms by which wetlands can immobilise the metals in mine drainage. Here, the biogeochemistry behind four of these mechanisms (adsorption, biological uptake, precipitation as oxyhydroxides, and precipitation as sulfides) is discussed from the perspective of...
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2003
Martin, A. J., Pedersen, T. F., Crusius, J., McNee, J. J., Yanful, E. K.
The use of water covers is a globally-applied method for minimising acid rock drainage (ARD) and metal leaching. Although the subaqueous disposal of potentially acid-generating materials has been shown to effectively limit ARD, under certain scenarios, metal remobilisation can occur at...
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Methane Production and Emission Mitigation in Oil Sands Tailings Concurrent with Hydrocarbon Degradation under Nitrogen Limited Conditions
DownloadFall 2020
Alberta’s oil sands generate large volumes of tailings from bitumen ore processing. These tailings ponds produce biogenic methane, which can be measured across 60-80% of the tailings surface. Based on current surface area data and emissions studies, tailings ponds could account for 8% of Canada’s...
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2003
Rehabilitation of tailings impoundments is one of the most challenging aspects in mine closure, as not only does the potential for producing leachate pose a challenge to the rehabilitation designer, but also other aspects such as stability and settlement must be considered. The water balance of a...
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Microcosm Evaluation of Community Level Physiological Profiling in Oil Sands Process Affected Water
Download2012-11-02
Eaton, B., Humphries, D., Davies, J.
A microcosm-based experiment was conducted to investigate the ability of community level physiological profiling (CLPP) to detect changes in an aquatic microbial community resulting from exposure to oil sands process affected water (OSPW). Detection of the microbial response was done by using...
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2003-01-01
Tremblay, G. A., Hogan, C. M., Gardiner, E. J.
Acidic drainage has long been recognised as the largest environmental liability facing the mining industry, and to a lesser extent, the public, through abandoned mines. The Canadian Mine Environment Neutral Drainage (MEND) initiative was the first international multi-stakeholder program to...
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2003
Current best management practice requires the placement of a cover onto most types of mine waste including tailings, waste rock and/or spent heap leach rock at closure of the mine. The objectives of a cover system may vary from site to site but generally include 1. dust and erosion control; 2....
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2003
Marcoline, J. R., Beckie, R. D., Smith, L., Nichol, C. F.
A better understanding of the hydrogeology within mine waste rock and cover systems is essential for the quantification, prediction and prevention of metals loading to the environment surrounding waste rock piles. The effect of surface condition on the internal flow mechanisms within an...
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2003
Remnants of Plio-Pleistocene hot spring systems in Northland, New Zealand contain sulfide minerals, principally pyrite, marcasite and cinnabar. The climate is warm temperate to subtropical, with up to 3 m of rainfall per annum, and rocks are deeply weathered. Decomposition of the iron sulfides in...