Chemical Engineering: Recent submissions
Now showing items 21-40 of 980
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Copper doped ceria catalyst prepared by reverse microemulsion method for thermocatalytic conversion of carbon dioxide via reverse water gas shift
(University of Waterloo, 2023-08-28)High surface area CeO2/Al2O3 nano-catalysts were synthesized via the reverse microemulsion method and evaluated for reverse water gas shift. The effect of the active phase dispersion on the CeO2 nanoparticle growth was ... -
Superwetting surfaces derived from sustainable materials for environmental and energy applications
(University of Waterloo, 2023-08-22)This thesis focuses on the utilization of sustainable materials, including cellulose nanocrystals (CNC), cellulose nanofibers (CNF), and modified lycopodium pollen particles, for the development of superwettable surfaces ... -
Numerical and Experimental Investigations of Thermally Coupled Catalytic Hydrogen Combustion - Reverse Water Gas Shift Reactor for CO2 Conversion to Synthesis Gas
(University of Waterloo, 2023-08-21)From technological, societal, and political perspectives, the optimization of energy utilization, reduction of CO2 emissions, and mitigation of global environmental challenges have emerged as paramount concerns. In this ... -
Development of Sustainable Superhydrophobic Surfaces for Water Manipulation
(University of Waterloo, 2023-08-21)The thesis focuses on developing sustainable superwettable surface systems for efficient water harvesting and manipulation. Inspired by nature, we developed superhydrophobic surfaces with adjustable hydrophilicity via ... -
Rheology of Cellulose Nanocrystal Dispersions and Pickering Emulsions Stabilized by Cellulose Nanocrystals
(University of Waterloo, 2023-08-17)Dispersions and Emulsions are prevalent in our society and can be seen in various applications and industries. These include: (a) the food industry, for various products such as mayonnaise, salad dressings, sauces, and ice ... -
Chemical-Looping Technology: Application of Nonlinear Model Predictive Control and Reactor Network Modelling Using Biomass as a Fuel
(University of Waterloo, 2023-08-11)As climate change becomes a more pressing issue, there is increasing research being performed to investigate greenhouse gas reduction strategies such as carbon capture technology and sustainable fuels. To this end, ... -
Nanocellulose in Bioplastics for Sustainable Packaging
(University of Waterloo, 2023-08-11)Packaging has become a critical concern due to the prevalence of single-use plastics from petrochemicals, leading to environmental issues. To address this, interest in bio-based materials for packaging has grown, offering ... -
Evaluation of Pulsed Xenon UV Lamp on Inactivation of Listeria monocytogenes on Stainless- Steel Surfaces
(University of Waterloo, 2023-08-08)Foodborne diseases remain a major global public health concern, with Listeria monocytogenes posing a significant risk, particularly for immunocompromised individuals. Ensuring food safety and minimizing contamination has ... -
Engineered Polysaccharide α-1,3-glucan Thermoplastic Composites
(University of Waterloo, 2023-08-08)Thermoplastic materials with biodegradable and sustainable attributes are highly sought after due to the increase in the global plastics waste. Often, filler materials are incorporated into thermoplastics to make them more ... -
Engineered polysaccharide, Alpha-1,3 Glucan, as a Functional Filler of Rubber Composites
(University of Waterloo, 2023-07-21)Rubber products represent an essential and highly functional class of performance materials required in many daily applications. However, the increasing interest in enhancing the overall material sustainability of rubber ... -
Biomass Derived Laser-Induced Graphene with Embedded Catalysts: Towards Enhanced Oxygen Reduction Reaction Catalytic Performance
(University of Waterloo, 2023-06-21)Zinc-air batteries are viewed as one of the most promising energy storage technologies for consumer electronics, electric vehicles, and grid storage due to a number of benefits including relatively high theoretical specific ... -
Integration of design and NMPC-based control of processes under uncertainty
(University of Waterloo, 2023-06-16)The implementation of a Nonlinear Model Predictive Control (NMPC) scheme for the integration of design and control demands the solution of a complex optimization formulation, in which the solution of the design problem ... -
New approaches for the real-time optimization of process systems under uncertainty
(University of Waterloo, 2023-06-05)In the process industry, the economical operation of systems is of utmost importance for stakeholders to remain competitive. Moreover, economic incentives can be used to drive the development of sustainable processes, which ... -
Development of a Moving Front Kinetic Monte Carlo Algorithm to Simulate Moving Interface Systems
(University of Waterloo, 2023-06-02)Moving interfaces play vital and crucial roles in a wide variety of different natural, technological, and industrial processes, including solids dissolution, capillary action, sessile droplet spreading, and superhydrophobicity. ... -
Development and Characterization of High Performance Electrically Conductive Polymer Nanocomposite for Electromagnetic Interference (EMI) Shielding Applications
(University of Waterloo, 2023-05-30)The fast-growing pace and massive utilization of compact portable electronic and wireless telecommunication systems provided an easier life for humans. However, this positive progress has come at the expense of significant ... -
Development of porous materials based on styrene-ethylene-butylene-styrene for oil spill remediation
(University of Waterloo, 2023-05-30)Marine oil spills, resulting from catastrophic equipment failure during oil transportation or the release of oily wastewater from industrial operations, can lead to economic losses and severe environmental damage to marine ... -
Modeling and State Estimation of Bio-processes using Dynamic Flux Balances
(University of Waterloo, 2023-05-16)Due to the increasing demand for bio-pharmaceuticals, optimization of bio-processes' productivity and reduction of process variability have become critical goals for manufacturers. Mathematical models of the fermentation ... -
Recycling polyethylene terephthalate – based automotive carpets using chain extenders via reactive extrusion
(University of Waterloo, 2023-05-09)Polyethylene Terephthalate (PET) is a common polyester used in various applications, ranging from packaging to clothing. The automotive industry utilizes this material to manufacture the velour carpet mats ... -
Interface dynamics of soft solids with liquids, solids, and gels
(University of Waterloo, 2023-05-01)Soft solids are commonly composed of polymeric networks suspended in liquids while maintaining their physical form. They have intermediate properties between viscous liquids and elastic solids, which are easily deformed ... -
Evaluation of Different Graphene Manufacturing: Structure, Composition, and Electrochemical Properties
(University of Waterloo, 2023-04-28)Graphene is a two-dimensional material composed of carbon atoms arranged in a hexagonal pattern. Its thickness is one atom, making it the thinnest material in existence. Graphene has unique properties that make it suitable ...