Search
Skip to Search Results- 1Ahad, Nuvaid
- 1Apan, Ioan-Tudor
- 1Budnar Subramanya, Annapoorna Shruthi
- 1Carvalho do Prado, Glaucia H
- 1Garcia, Jose Luis
- 1González Nieves, Vanessa
-
Fall 2015
In this work, low temperature ozonation of Canadian Athabasca bitumen with ozone-enriched air in the temperature range of 140 to 160°C was investigated. Due to the resonance hybrid structure of ozone, it reacts directly and indirectly with the hydrocarbon molecules. Indirect ozone reaction...
-
Spring 2020
Budnar Subramanya, Annapoorna Shruthi
Bitumen partial upgrading technologies aim to produce a product that meets viscosity and density specifications for pipeline transport with little to no addition of diluents. Thermal cracking processes are attractive for partial upgrading since they result in an increase in the light fractions....
-
Physical Properties of Bitumen Distillation Fractions and Solvent Effect on Free Radical Content
DownloadSpring 2022
The main target of bitumen upgrading is to reduce its viscosity. One of the pathways to achieve it is visbreaking. It takes place through thermal cracking by a free radical mechanism. The impact of the bulk liquid (solvent) environment on persistent free radical content was evaluated. Electron...
-
Spring 2016
Fischer–Tropsch is a process whereby a gaseous mixture of carbon monoxide (CO) and hydrogen (H2), called syngas, is converted into hydrocarbons, oxygenates and water. After the Fisher–Tropsch reaction the reaction product is cooled down and one of the product phases is a liquid stream known as...
-
The Role of Sulfur during the Cracking of n-Hexadecane and Cold Lake Bitumen with alpha-Fe2O3 and Steam
DownloadSpring 2013
Coke produced during bitumen upgrading has a high heteroatom content and low economic value. To improve feed efficiency, cracking of hexadecane and bitumen with α-Fe2O3 and water has been studied to decrease coke yield, while increasing sulfur content. Compared to thermal cracking, catalytic...
-
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...