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Catalogue of Technologies for Reducing the Environmental Impact of Fine Tailings from Oil Sands Processing
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Rose, D. E., Taplin, D., Fuhr, B. J.
A catalogue containing 22 technologies for reducing the environmental impact of fine tailings derived from oil sand processing has been assembled. The simple format which was developed as part of this study consisted of a spreadsheet outline of the technologies and a process summary for each...
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2003
Usher, B. H., Hodgson, F. D. I.
Twenty-seven observation test pits were excavated at four different spoils dumps at three collieries in the Witbank Coalfield. The holes were dug into the upper three metres of the spoils to ascertain if any weathering profiles, variation with age or influence of topsoil covering could be gauged....
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Spring 2018
Pennetta de Oliveira, Leonardo
Bitumen has been extensively extracted from oil sands through the Clark Hot Water Extraction (CHWE) process. This extraction process uses hot water and alkaline conditions to remove bitumen from oil sands ores. The tailings produced by this process are mixtures of sand, clays, residual bitumen,...
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1977
Data in existence in the open literature or in unclassified company reports on the physical, chemical and microbiological characteristics of Alberta's oil sands clay tailings are reviewed. Treatment and disposal procedures for these tailings, as well as for clay tailings from other industries,...
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2003
Fines, P., Wilson, G. W., Landrialt, D., Langetine, L., Hulett, L.
Engineered soil covers are used for final closure options for both waste rock and tailings disposal facilities. Currently, cover construction requires excavation of appropriate cover material from a nearby site. If no suitable materials are available, the mine operation may have to ship...
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2003
Kempton, H., Martin, M., Martin, T.
Mining of sulfide-based ore deposits typically creates a potential for release sulfate and acid to groundwater, and many operating mines are thus predicted to require long-term post-closure treatment of groundwater. Toward the goal of selecting an optimal treatment, this paper compares costs of...
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2003
The design of soil covers as part of the remediation initiatives for mine waste facilities is common practice and more and more engineers are faced with designing these facilities. The design issues associated with these soil covers are complex and requires a good understanding of unsaturated...
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2003
Usher, B., Cruywagen, L-M., de Necker, E., Hodgson, F. D. I.
The acid mine drainage (AMD) situation at three opencast collieries in the Witbank Coalfield, South Africa, was evaluated from different perspectives. Twenty-seven test pits were dug into the spoils of these collieries to characterise the in situ conditions of spoils of varying age. Detailed...
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2003
Four siltite-argillite rock samples were characterised (particle size, chemistry, mineralogy) and subjected to laboratory dissolution testing for 36 to 298 weeks. In two samples sulfur (0.99, 1.69 wt per cent) occurred largely as pyrite, and in the other two samples sulfur (0.96, 1.93 wt per...