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Skip to Search Results- 1Afshar, Shima
- 1Aghaie, Ermia
- 1Amani, Mohammad Javad
- 1Anas Khalil Sidahmed
- 1Baker, Kathleen E.N.
- 1Baldygin, Aleksey
- 56Department of Chemical and Materials Engineering
- 17Department of Civil and Environmental Engineering
- 7Department of Earth and Atmospheric Sciences
- 7Department of Mechanical Engineering
- 5Department of Renewable Resources
- 3Department of Physics
- 6Xu, Zhenghe (Chemical and Materials Engineering)
- 4De Klerk, Arno (Chemical and Materials Engineering)
- 4Liu, Qingxia (Chemical and Materials Engineering)
- 4Zeng, Hongbo (Chemical and Materials Engineering)
- 3Liu, Qi (Chemical and Materials Engineering)
- 2Froese, Duane (Earth and Atmospheric Sciences)
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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....
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Spring 2020
Albertan oil sands ores are becoming more difficult to process efficiently as the clay content of the ore increases and the grade of the ore worsens. A key to improving the extraction of bitumen from low-grade oil sands, thereby increasing the longevity of this critical resource, is reducing the...
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Electrocoalescence of Water Droplets in Oil Emulsions: Effect of Electric Fields, Surfactants, and Chemical Demulsifiers
DownloadSpring 2019
Stabilization of water-in-oil droplets during bitumen extraction and refining process poses a major challenge in the oil sands industry. These crude oil emulsions are stabilized by rigid films at water droplet-oil interfaces. The salty water remaining in oil causes equipment corrosion, catalyst...
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Estimation of the Life Cycle Greenhouse Gas Emissions of Bitumen-Derived Petroleum Fuels using Enhanced Solvent Extraction Incorporating Electromagnetic Heating (ESEIEH) and Toe-to-Heel Air Injection (THAI) Extraction Technologies
DownloadSpring 2019
There is increased focus on reduction of greenhouse gas (GHG) emissions to reduce global warming. Combustion of fossil fuels are a key contributor to emissions of GHG. Alberta is the largest hydrocarbon base in North America due to its oil sands deposit. Bitumen from oil sands is refined to...
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Spring 2017
The formation of stable water-in-oil emulsions during oil sands extraction process causes a number of operational issues, such as equipment corrosion, storage and transportation problems. One common method for emulsion breakup in industry is to use chemical demulsifiers. The chemical demulsifiers...
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Spring 2011
Extraction of hydrocarbons from an Athabasca oil sand slurry were conducted using supercritical carbon dioxide (SC-CO2). The oil sand was slurried to a 1:1 ratio with water and experiments were conducted using a laboratory-scale batch supercritical fluid extraction (SFE) system. Preliminary tests...
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Extraction of Hydrocarbons from Bitumen and Bitumen-containing Process and Process Waste Streams using Supercritical Carbon Dioxide
DownloadSpring 2019
Extractions of hydrocarbons from bitumen and bitumen-containing process and process waste streams generated from surface mined oil sands were conducted using supercritical carbon dioxide (SC-CO2). Dynamic extractions were performed on a bench-scale batch supercritical fluid extraction (SFE)...
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Spring 2024
A diffuse interface model to simulate a system of two immiscible liquids with surfactants is proposed. This model is based on a modified Ginzburg-Landau free energy functional to account for non-ionic soluble surfactants and couples the Navier-Stokes equations with two Cahn-Hilliard equations...