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- 1Afshar, Shima
- 1Alberta Environmental Centre
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- 1Anas Khalil Sidahmed
- 77Graduate and Postdoctoral Studies (GPS), Faculty of
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- 47Department of Chemical and Materials Engineering
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- 6Xu, Zhenghe (Chemical and Materials Engineering)
- 4De Klerk, Arno (Chemical and Materials Engineering)
- 3Liu, Qi (Chemical and Materials Engineering)
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- 2Guigard, Selma (Department of Civil and Environmental Engineering)
- 2Xu, Zhenghe (Chemical Engineering)
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Fall 2014
The formation of stable water-in-oil emulsions during bitumen extraction poses problems for water separation from diluted bitumen, which leads to equipment corrosion and catalyst fouling in downstream operations. Demulsifiers are used to break the stable emulsions and assist the separation of...
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Development of an Experimental Apparatus for Studying the Effects of Acoustic Excitation on Viscosity
DownloadFall 2012
An experimental apparatus was developed capable of measuring changes in fluid viscosity occurring due to acoustic stimulation. Controls allowed measurements at simulated oil sand reservoir pressures and temperatures with near real-time data visualization. Calibration was performed...
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Development of Solvent Selection Criteria Based on Diffusion Rate, Mixing Quality, and Solvent Retrieval for Optimal Heavy-Oil and Bitumen Recovery at Different Temperatures
DownloadFall 2015
Heavy-oil and bitumen recovery requires high recovery factors to offset the extreme high cost of the process. Attention has been given to solvent injection for this purpose and it has been observed that high recoveries are achievable when combined with steam injection. Heavier (“liquid”) solvents...
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Fall 2020
Concerns over the environmental impacts of thermal production methods for bitumen and heavy oil have led to the exploration of alternative technologies including solvent-assisted production methods. While solvent-assisted production methods have been studied extensively, apparent diffusion rates...
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Fall 2009
The extraction of bitumen (heavy oil) from the oil sands is predominantly achieved through a water-based technology. This involves a slurrying process, typically called conditioning, which is categorized into three equally important steps: bitumen-sand liberation, bitumen coalescence, and...
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Spring 2014
In bitumen recovery from oil sands, a percentage of the bitumen is lost to tailings. The effect of fugitive bitumen on fines settling and consolidation in tailings ponds remains controversial. In the current study, the settling performance of mature fine tailings (MFT) in response to flocculant...
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Fall 2012
Stabilization of water droplets in froth treatment process results in poor de-watering efficiency and potentially affects final bitumen quality. The purpose of this research is to study the effect of solid contamination by diluted bitumen on water droplet stabilization in water in oil emulsions....