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A Novel Approach to Delay Thermal and Autoxidative Fouling Caused by Aromatics in Heavy oil and Petrochemicals Using Tetrahydrofurfuryl Alcohol
DownloadSpring 2023
Tetrahydrofurfuryl alcohol (THFA) is a widely used solvent. It is a preferred solvent since it is derived from biomass. Multiple patents have reported that adding THFA during heavy oil processing improves the efficiency of the process and increases the yield. One patent for instance reported that...
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Fall 2023
Tribocorrosion, a synergistic impact of wear and corrosion, impacts the lifespan of machine parts in most sectors. Consequently, duplex coating has emerged as the most promising solution to address tribocorrosion. In this work, advanced noble duplex coating systems of TiAlN/WC-NiBSi/steel and...
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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 2012
This thesis explored the properties of asphaltene nano-aggregates in crude oil and toluene based solutions and fouling at process furnace temperatures, and the links between these two phenomena. The link between stability of asphaltenes at ambient conditions and fouling at the conditions of a...
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Corrosion Assessment and Mechanisms of Materials in Pre-hydrolysis and Hydrothermal Liquefaction Biorefining Systems
DownloadFall 2022
Advanced biomass conversion technologies, including hot dilute acidic pre-hydrolysis and hydrothermal liquefaction, have been developed for the generation of renewable bioenergy products and biochemicals from existing biomass resources and biowastes. However, the deployment of the technologies is...
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Spring 2013
As the Supercritical Water-cooled Reactor (SCWR) shows a promising future, the corrosion behavior of candidate materials has attracted great interest. In this study, experimental investigation was conducted to evaluate the corrosion behavior of the ferritic-martensitic steels designed for the use...
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Fall 2015
The present research has been done with the intent of evaluating the corrosion resistance and cracking susceptibility of some commercial candidate alloys that can be potentially used in Gen-IV supercritical water reactor (SCWR). The mechanism of the crack initiation in austenitic alloys exposed...
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Spring 2017
Severe localized corrosion was found throughout an aeration tank of a modular wastewater treatment plant. Specifically, pitting, crevice corrosion, galvanic corrosion, and intergranular corrosion (IGC) were observed on the 5000 and 6000 series aluminum alloys used in the tank’s construction. One...
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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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Corrosivity and Thermal Stability of Biocrude Oil for Co-Processing in FCC Feedlines: An Investigation and Risk Assessment
DownloadSpring 2023
Fast pyrolysis bio-oil is a promising renewable energy source derived from biomass. However, its high corrosivity and poor thermal stability have limited its widespread use as a drop-in fuel. One promising method for transforming low-quality biocrudes into drop-in fuels is co-processing with...