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Skip to Search Results- 59Graduate and Postdoctoral Studies (GPS), Faculty of
- 59Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3Helmholtz-Alberta Initiative
- 3Helmholtz-Alberta Initiative/Journal Articles & Research Abstracts (Helmholtz-Alberta Initiative)
- 2Pharmacy and Pharmaceutical Sciences, Faculty of
- 2Pharmacy and Pharmaceutical Sciences, Faculty of/Journal Articles (Pharmacy and Pharmaceutical Sciences)
- 45Department of Chemical and Materials Engineering
- 5Department of Civil and Environmental Engineering
- 3Department of Chemistry
- 2Department of Agricultural, Food, and Nutritional Science
- 1Department of Agricultural, Food and Nutritional Science
- 1Department of Civil & Environmental Engineering
- 6Xu, Zhenghe (Chemical and Materials Engineering)
- 3Gupta, Rajender (Chemical and Materials Engineering)
- 3Liu, Qingxia (Chemical and Materials Engineering)
- 3Zeng, Hongbo (Chemical and Materials Engineering)
- 2Choi, Phillip (Chemical and Materials Engineering)
- 2Gray, Murray R. (Chemical and Materials Engineering)
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Control of D-Spacing and Graphitic Defects in Asphaltene-Derived Hard Carbons for Energy Storage
DownloadSpring 2024
With the increasing demand for energy storage and declining lithium stores around the globe, sodium is emerging as an alternative source due to its natural abundance and similar reaction kinetics and chemical properties to lithium. While sodium-ion and lithium-ion batteries started development at...
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Spring 2015
This thesis presents a thorough examination of the corrosion and fouling behaviour of crude oil at refining conditions on industrially applicable heat transfer surfaces. The depletion of light sweet crude oil reserves means that the processing of ever heavier and more sour crude oils is...
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Spring 2010
In recent years, the use of self-associating block copolymer based drug delivery systems have attracted increasing attention as nanoscopic carriers for the encapsulation and the controlled delivery of water insoluble drugs. Currently, most of the drug formulations proceed by “trial and error”...
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Spring 2016
The tendency of asphaltenes to aggregate in crude oil is observed at SATP and is enhanced at elevated temperatures. At these conditions, asphaltenes aggregation is a problem as it will ultimately lead to mesophase formation, a precursor of coke, known for causing plugging and fouling of...
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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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Dynamic Demulsification Mechanism of Asphaltene-Stabilized Water-in-Oil Emulsions by Ethylcellulose
DownloadFall 2015
In previous studies, nontoxic and biodegradable ethylcellulose (EC) was shown to be capable of breaking water-in-diluted bitumen emulsions. Nevertheless, the demulsification mechanism of EC has not been correlated to its effect on the physical properties of stabilizing interfacial asphaltene...
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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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Evaluation of Mechanical Performance of Asphalt Emulsion Stabilized Base Course Using Asphaltenes or Cement
DownloadFall 2021
Civilization has become highly reliant on the road industry in recent years for both commercial and personal purposes. A typical road's function is to promote traffic flow comfortably and safely. The pavement is a structure made up of natural ground with varying layers on top that can distribute...
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Extending Depletion Flocculation Phase Behavior Models to Partially Soluble and Aggregating Colloids—Asphaltenes
DownloadFall 2015
Mixtures of colloids + non-adsorbing polymers + good solvents are well known to exhibit multiphase behaviors that are driven by the depletion flocculation mechanism where one phase, designated a colloid gas, is largely comprised of polymer and solvent, while the other phase, designated a colloid...