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Skip to Search Results- 1Abraham, Tinu M
- 1Bagheri, Mehrdad
- 1Chae, Inseok
- 1Hande, Aharnish Bhojaraj
- 1Hassanpourfard, Mahtab
- 1Jiang, Keren
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Fall 2012
One-dimensional BiFeO3 (BFO) nanofibers were fabricated using the simple electrospinning of a Nylon6/BFO solution, carried out on a homemade electrospinning apparatus, and subsequent calcination at 600 °C. The photocatalytic activity of the nanofibers and their application in water purification...
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Spring 2013
Biofilm formation in porous media is of significant importance in many environmental and industrial processes such as bioremediation, oil recovery, and wastewater treatment. In the present study, we fabricated a porous media mimic inside a microfluidic device to observe the growth of bacteria in...
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Accelerated Dewatering and Drying Treatment of Oil Sands Tailings by Electrical Resonant Auto-Transformer
DownloadFall 2014
Canada has world’s third largest oil reserves in the form of oil sands and 20% of those are easily accessible by surface mining. The hot water bitumen extraction process has been used since 1967 and the process produces vast amount of tailings which are stored in ponds. Tailings ponds pose a...
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Toward Direct Thermal-to-Electric Conversion: On-chip Microreactors for Catalytic Combustion of Methanol-Air Mixture
DownloadFall 2014
In this thesis, on-chip microreactors for catalytic combustion of methanol-air mixture were designed, fabricated and characterized. Using standard optical lithography, deep reactive-ion etching (DRIE) and other fabrication techniques, microreactors with integrated micropillars having four...
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Spring 2014
Crude oils contain a distribution of molecules with diverse chemical structures and molecular weights. Asphaltenes are considered the most problematic of these structures. We have investigated the adsorption and aggregation of asphaltenes on surfaces using scanning probe microscopy. Modifying the...
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Development of an Electronic Nose for Detection of Volatile Organic Compounds Based on Nanoporous Microcantilevers by Using Photothermal Spectroscopy
DownloadSpring 2015
An electronic nose for identification and quantification of volatile organic compounds (VOCs) mixtures was developed using a nanopore-enhanced photothermal cantilever deflection spectroscopy (PCDS). PCDS provides highly selective detection of vapor mixtures of VOCs from specific molecular...
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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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The Role of Sulfur Species in Establishing the Corrosion Reactions in Refinery Metallurgies
DownloadSpring 2016
This thesis is focused on the studying the role that model sulfur-containing molecules have in corrosion reactions on relevant metallurgies. This was done by using a design of experiments where a number of sulfur-based compounds were reacted with various metallurgies. The 8 model sulfur compounds...
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Conduction and Dielectric Relaxation Mechanisms in Oil Sands Influencing Electrical Heating
DownloadFall 2016
Electrical heating has been proposed in the past as an alternative to conventional water based thermal methods for reducing viscosity of bitumen in oil sands reservoirs. This could reduce or even eliminate water use and associated problems like inefficient heat transfer in the reservoir, poor...