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Skip to Search Results- 1Ahad, Nuvaid
- 1Apan, Ioan-Tudor
- 1Budnar Subramanya, Annapoorna Shruthi
- 1Carvalho do Prado, Glaucia H
- 1Garcia, Jose Luis
- 1González Nieves, Vanessa
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Fall 2015
Canadian oilsands bitumen contains one of the highest amounts of asphaltenes (16-20 wt %) among all crude oils. Asphaltenes are the lowest value fraction of bitumen. It differs from the other fractions of bitumen because of its insolubility in paraffinic solvents. Asphaltenes are insoluble in...
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Spring 2016
Canada has the world’s largest oilsands reserves. Part of the reserves is being considered as marginal and is not profitable to recover using current technology. Autoxidation (oxidation with air) is a potential upgrading strategy to produce more valuable products from the oilsands derived bitumen...
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Spring 2013
In every thermal upgrading process, short-chain hydrocarbons contain a part of the gas byproducts. These compounds are hydrogen-rich materials, which are considered as low value wastes. In this study, the efforts were made to catalytically convert these off-gases to liquid fuels. Synthetic gases...
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Fall 2023
At the heart of heavy oil and bitumen upgrading, thermal conversion technologies are found. One such process is visbreaking where bitumen is thermally converted into lighter materials. However, the conversion by visbreaking is limited by the onset of the formation of solid carbonaceous materials...
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Characterization of residue from direct coal liquefaction and determination of its potential applicability as a source of fuel
DownloadSpring 2015
Direct coal liquefaction is a technology for producing liquid products from coal. One of the by-products from this process is coal liquefaction residue, which is remaining coal that was not converted to liquid products during the liquefaction process. The residue is enriched in mineral matter and...
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Coal Liquefaction Liquid Quality: Influence of Temperature and Heating Approach on Solvent Extraction of Coal
DownloadFall 2014
This project evaluated the impact of reaction temperature and of additional heating steps on the quality of the liquids obtained from solvent extraction of a lignite coal with tetralin. The points of focus were the coal liquid yield, physical properties, aromatic content and iron pyrite...
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Fall 2013
Bitumen, as one of the most important unconventional sources of energy, has long been an attractive source for production of liquid fuels. It is important to improve the yield and quality of the useful products resulting from bitumen upgrading processes so that the best outcome can be achieved...
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Fall 2016
Bitumen extracted from Canadian oil-sands has a high viscosity, which limits its transportation. Field upgrading has become an option to overcome that limitation, without having to dilute the bitumen. During the field upgrading of bitumen, solvent deasphalting in combination with thermal cracking...
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Fall 2015
Canadian oil sands derived bitumen is a form of petroleum that has a high density and viscosity. One of the potential causes of the high viscosity of the oil sands bitumen is acid-base interactions. The main purpose of this project was to determine the influence of acid treatment and base...
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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...