Search
Skip to Search Results- 6Xu, Zhenghe (Chemical and Materials Engineering)
- 3Gupta, Rajender (Chemical and Materials Engineering)
- 3Liu, Qingxia (Chemical and Materials Engineering)
- 3Zeng, Hongbo (Chemical and Materials Engineering)
- 2Amirfazli, Alidad (Mechanical Engineering)
- 2Babadagli, Tayfun (Civil and Environmental Engineering)
-
Spring 2010
Most crude oils contain traces of vanadyl porphyrins within their asphaltene fraction. Although these metals are only present in trace quantities, they have a significant detrimental impact on crude oil processing units; therefore, their selective removal is highly desirable. The current work...
-
Studying Structure-Nanoaggregation Relations of Polyaromatic Molecules in the Bulk Oil Phase and at the Oil-Water Interface Using Molecular Dynamics Simulation
DownloadSpring 2014
The detection, identification and characterization of early stage molecular association of polyaromatic molecules into nanoaggregates, where these nanoaggregates represent the first level of molecular clusters or building blocks are critical in areas such as design and fabrication of advanced 3-D...
-
The Synthesis of and Methodology for Archipelago Model Asphaltenes with a Benzo[b]anthraquinoline Core
DownloadFall 2013
The efficient synthesis of model asphaltenes as polyaromatic, nitrogenous compounds is reported. These model asphaltenes are to be used for supramolecular investigation for developing enhanced bitumen processing methodology. Our synthesis of benzo[f]quinoline and benzo[b]anthraquinoline...
-
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...
-
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...
-
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...
-
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,...
-
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...