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Chemical Engineering: Recent submissions
Now showing items 301-320 of 994
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Effect of chain stiffness on the entropic segregation of chain ends to the surface of a polymer melt
(2019)Entropic segregation of chain ends to the surface of a monodisperse polymer melt and its effect on surface tension is examined using self-consistent field theory (SCFT). In order to assess the dependence on chain stiffness, ... -
Real Impact of CO2 Utilization: A Dynamic LCA Approach
(University of Waterloo, 2019-09-17)Global warming has received widespread attention in recent years due to increasing levels of carbon dioxide (CO2) and other pertinent greenhouse gases in the atmosphere. Various solutions have been proposed to reduce the ... -
Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions
(University of Waterloo, 2019-09-13)With the high requirement of increasing people’s living standards and building a more sustainable society, electrochemical energy storage devices with large energy density, high power density, and long term durability are ... -
A Hydrogen Hybrid Powertrain for the Union-Pearson Railway
(University of Waterloo, 2019-09-10)Canadian legislation attempts to regulate particle emissions released from the rail transportation sector. Assessment of the impact of rolling stock is the key to perform such regulations. Different strategies have been ... -
Optimization of Mucoadhesive Polymer Micelles for Drug Delivery and Ophthalmic Formulations
(University of Waterloo, 2019-08-29)Nanotechnology enable medicine (nanomedicine) is expected to be the next advent of the health care market, facilitating efficient, safe, and personalized therapies. But there has been limited success penetrating the market. ... -
The Techno-Economic Potential of Power to Gas for Synthetic Natural Gas Production through Biogas Upgrading
(University of Waterloo, 2019-08-28)Raw biogas can be upgraded to produce pipeline grade synthetic natural gas (SNG) via thermo-catalytic hydrogenation of CO2. This method reduces green house gas (GHG) emissions through offsetting fossil natural gas consumption ... -
Establishing the Virucidal Properties of a Copper-Nickel-Zinc Alloy using a Genetically Modified Insect Virus
(University of Waterloo, 2019-08-28)Healthcare associated infections (HAIs) cause a significant financial burden on the healthcare industry. To reduce incidence of HAIs, strategies for cleaning and infection control have been developed to target common ... -
CO2 methanation over alumina-supported cobalt oxide and carbide synthesized by reverse microemulsion method
(University of Waterloo, 2019-08-27)In the past age, CO2 conversion catalysts have gained attention due to various environmental issues caused by CO2 emission. Catalytic reduction of CO2 using renewable hydrogen as reductant to produce renewable fuels is ... -
Dynamic Optimization Applied for Modelling and Optimal Control of a Packed Bed Reactor for Chemical-Looping Combustion
(University of Waterloo, 2019-08-26)Chemical-looping combustion (CLC) has recently emerged as a promising technology capable of curbing CO2 emissions while also reducing the energy penalty entailed in carbon capture and sequestration (CCS). The novelty of ... -
Reverse Water Gas Shift Reaction over High Surface Area γ-Al2O3 Supported Mo2C Nanoparticles Synthesized by Reverse Microemulsion Method
(University of Waterloo, 2019-08-23)Increasing concentrations of greenhouse gases (GHG), especially carbon dioxide (CO2), in the atmosphere are forecasted to result in adverse environmental impacts. One attractive approach for mitigation of CO2 emissions is ... -
Development and Characterization of Polypropylene, Cellulose Acetate, Magnesium Hydroxide Materials
(University of Waterloo, 2019-08-19)The urgency to develop and commercialize multi-component materials containing bio-based material is growing. Such materials can reduce the widespread dependence on petroleum and at the same time can reduce pollution while ... -
Sensor Array for Volatile Organic Compounds based on Doped Poly (2,5-dimethyl aniline)
(Wiley, 2016-12)A sensor array containing five different sensing materials has been created that is able to distinguish between six different volatile organic compounds (VOCs) at an analyte concentration of 5 ppm. While none of the sensing ... -
Chitosan Edible Films Crosslinked by Citric Acid
(University of Waterloo, 2019-08-14)Chitosan offers an exciting potential as a safe, biodegradable material for niche food packaging and coating applications. Barriers to getting this crustacean-derived polysaccharide to the packaging market include poor ... -
Evaluation of Polymeric Nanocomposites for the Detection of Toxic Gas Analytes
(Taylor & Francis, 2016-09)Four different metal oxide nanoparticles, copper oxide (CuO), aluminum oxide (Al2O3), nickel oxide (NiO), and titanium dioxide (TiO2), were added to poly (2,5-dimethyl aniline) (P25DMA) during synthesis to create different ... -
Development of Flexible, Carbon-Based Electrochemical Energy Storage Electrodes
(University of Waterloo, 2019-08-07)Research into energy storage and conversion technologies has skyrocketed within the past few decades, motivated by the increased energy demands of our society and the threat of depleting energy sources. One of the exciting ... -
Iterative Coupled Shell/Tube Simulation of Waste Heat Boilers using Computational Multiphysics
(University of Waterloo, 2019-08-02)Removal of sulphur from fossil fuels is important in order to avoid the emission of sulphur oxides into the atmosphere, exposure to which has negative health and environ- mental effects. Sulphur is removed from refinery ... -
A Multi-Scale Model for Nickel-Based Oxygen Carrier in Chemical-Looping Combustion
(University of Waterloo, 2019-07-19)The selection of oxygen carrier (OC) particles is crucial for the development of chemical-looping combustion (CLC) technology. Common OC particle models often involve first-order chemical reactions with respect to the ... -
Simulation and Techno-Economic Analysis of the AChT Green Methanol Process
(University of Waterloo, 2019-07-03)Methanol is a valuable commodity with many uses. It is used to manufacture other chemicals such as olefins, formaldehyde, and methyl-tert-butyl ether (MTBE). Methanol is also being researched as an alternative fuel for ... -
Dynamic Scheduling and Control of MEA Absorption Processes for CO2 Capture Using gProms
(University of Waterloo, 2019-07-03)There are three general approaches for the mitigation of carbon emissions from fossil fuel fired power plants; pre-combustion, oxyfuel and post-combustion carbon capture. The post-combustion absorption process using MEA ... -
Investigation and Propagation of Defects in the Membrane Electrode Assembly of Polymer Electrolyte Membrane Fuel Cells: Quality Control Analysis
(University of Waterloo, 2019-05-24)Polymer electrolyte membrane fuel cells (PEMFC) have the potential to deliver high power density with a lower weight and volume compared to other fuel cells. However, some of the barriers to the successful commercialization ...