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A Preliminary Study on Pyrolysis and Gasification of Asphaltenes and Coal-Asphaltenes Slurry in Entrained Flow Reactor
DownloadFall 2012
The aim of this work is to study pyrolysis of coal-asphaltenes slurry in an atmospheric entrained flow reactor. Athabasca asphaltenes and Genesee coal, both from Alberta in Canada, were selected as the feedstock. Char characteristics and the structure of asphaltenes and slurry chars including...
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Adsorptive Removal of CO2 by Amine Functionalized Sorbents: Experimental and Kinetics Study
DownloadFall 2012
Adsorption processes using functionalized ordered mesoprous silica sorbents have shown a great potential for post-combustion CO2 capture from flue gas. In this work an experimental and theoretical investigation was conducted on the adsorptive removal of CO2 onto amine functionalized mesoporous...
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An investigation into the Development of Ceramic Sorbents for High Temperature Air Separation for OxyFiring
DownloadSpring 2014
Oxyfuel combustion as one of the alternatives to post-combustion carbon capture technologies requires an economically viable oxygen supply system. Cryogenic air separation, the main currently available technology, consumes above 30% of the energy produced as it involves separation of nitrogen...
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Fall 2016
Athabasca oil sands contain 8 to 14% bitumen and are recovered using surface mining or steam assisted gravity drainage (SAGD). During primary upgrading of bitumen, the vacuum residuum from the distillation column is sent to the solvent de-asphalting unit where a paraffinic solvent is used to...
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Fall 2015
Inorganic particle deposition and unsteady slag flow is one of the main issues in entrained-flow gasifiers causing several problems, especially, tap hole blockage and emergency shutdown. For the first part of the experiments in this study, slag collector probe was used to take depositions and...
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Fall 2012
Underground Coal Gasification (UCG) is a process in which coal is converted to syngas in-situ. UCG has gained popularity recently as it could be used to extract energy of deep-lying coal seams, and it reduces the footprints attributed to the gasification process. In this study, two models have...
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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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Fall 2014
Recent interest in the use of post-underground coal gasification (UCG) sites for carbon capture and storage (CCS) has created a need to fundamentally understand the carbon dioxide (CO2) adsorption on gasified and pyrolysed coal chars. More specifically, in this work, the effect of coal properties...
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Spring 2016
In this study, performance of ash-free coal (AFC) was evaluated for chemical looping combustion (CLC). Coal is the major source of power generation worldwide and release of ash forming minerals and CO2 emission are the major issues during its combustion. AFC is used in order to get rid of the...
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Fall 2015
The main aim of this work is experimental and numerical study of heat and mass transfer in fixed beds by the Joule heating effect, which is a volume-based type of heating rather than surface-based. This is aimed at looking more into energy storage technologies where electrical energy is stored as...