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Skip to Search Results- 1Afshar, Shima
- 1Ahmed, Nirob
- 1Ali, Mohamed Ali Hassan
- 1Amani, Mohammad Javad
- 1Amundarain, Jesus
- 1Anas Khalil Sidahmed
- 80Department of Chemical and Materials Engineering
- 13Department of Civil and Environmental Engineering
- 4Department of Chemistry
- 4Department of Mechanical Engineering
- 3Department of Earth and Atmospheric Sciences
- 3Department of Physics
- 11Xu, Zhenghe (Chemical and Materials Engineering)
- 5De Klerk, Arno (Chemical and Materials Engineering)
- 4Liu, Qingxia (Chemical and Materials Engineering)
- 3Gupta, Rajender (Chemical and Materials Engineering)
- 3Stryker, Jeffrey M (Chemistry)
- 3Zeng, Hongbo (Chemical and Materials Engineering)
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Fall 2012
Better definition of asphaltene structure is needed to develop new technology for upgrading, and to understand various bitumen properties. Analysis of asphaltene structure is hampered by aggregation of molecules at a length scale of 5 to 10 nm. At 300°C, the addition of aromatic solvents can...
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Spring 2013
Solvents are ubiquitously used in oil sands extraction industry to enhance the separation of bitumen froth. With developing new technologies such as non-aqueous bitumen extraction, the need to track solvent interactions with oil sands components throughout the extraction process and to identify...
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Ultrasonic Characterization of Bitumen with Pressure and Temperature: Implications for seismic monitoring of the Grosmont Formation
DownloadFall 2018
The vastly untapped carbonate Grosmont Formation in north-eastern Alberta may hold in excess of a couple of hundred billion barrels initial volume of bitumen in place. Bitumen, an ultra-heavy hydrocarbon oil, possesses a density comparable to water, but a dynamic shear viscosity million times...
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Fall 2017
Asphaltene is the most difficult fraction of bitumen and heavy oil to upgrade, as it has low H/C, high molecular weight and metal content. Asphaltenes are insoluble in paraffinic solvents, and undergo aggregation and coke formation during refining and cracking processes. No attention is usually...
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Spring 2017
Interactions mechanisms of deformable air bubbles and liquid droplets play critical roles in many established and modern industrial processes. Understanding the interaction mechanisms of oil droplets and air bubbles is of fundamental and practical importance to solve many challenging issues,...
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Understanding stability of water-in-diluted bitumen emulsions by colloidal force measurements
DownloadSpring 2011
Removal of emulsified water is a challenge in oil sands and heavy oil processing. The flocculation and coagulation of emulsified water droplets depend on the interactions between the water droplets covered mainly by asphaltenes and oil-contaminated fine solids. To quantitatively evaluate the...
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Understanding the Role of Caustic Addition: A Comparison of Sodium Hydroxide and Ammonium Hydroxide
DownloadSpring 2012
To understand the role of caustic addition and its effect on the bitumen extraction process, a novel flow cell and a Denver Cell extraction unit were utilized. This allowed for the comparison of sodium hydroxide and ammonium hydroxides effect on real oil sands ores. Several ores (A1, C-ore,...
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Use of a solvent in the oxidative desulfurization of bitumen via autoxidation; effects on viscosity and oxidation
DownloadSpring 2014
This work describes the effect that including a solvent in the reaction media of the autoxidation of Cold Lake bitumen has on the viscosity and also on the oxidation degree reached. The comparison of viscosity was performed both in the basis of equal residence time and equal oxygen conversion...
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Utilizing Asphaltenes and Polyethylene Terephthalate Fibres in Developing High-Performance Asphalt Concrete
DownloadSpring 2024
Asphalt pavement performance is significant in order to ensure safety, longevity, cost-effectiveness, environmental sustainability, and the overall socio-economic well-being. A substantial amount of financial allocation is dedicated every year to enhance the performance of asphalt pavement in a...