Browsing Chemical Engineering by Type "Master Thesis"
Now showing items 1-20 of 497
-
3D Silicone Whipping Additive Manufacturing (SWAM): Technology, Applications, and Research Needs.
(University of Waterloo, 2022-01-20)Additive manufacturing has become increasingly popular and is developing in many technologies. This thesis focusses on the additive manufacturing with paste technology, more specifically the goal is to further develop a ... -
Accelerated Durability Testing via Reactants Relative Humidity Cycling on Polymer Electrolyte Membrane Fuel Cells
(University of Waterloo, 2010-09-30)Cycling of the relative humidity (RH) levels in the reactant streams of polymer electrolyte membrane (PEM) fuel cells has been reported to decay fuel cell performance. This study focuses on the accelerated durability testing ... -
Achieving Drag Reduction Through Polymer-Surfactant Interaction
(University of Waterloo, 2013-08-30)Drag reduction is a well-observed phenomenon, it was first observed by the British chemist Toms in 1946, yet its mechanism is still unknown to this day. Polymer Drag reduction has found application in reducing pumping costs ... -
Active Site Identification and Mathematical Modeling of Polypropylene Made with Ziegler Natta Catalyst
(University of Waterloo, 2008-09-25)Heterogeneous Ziegler-Natta catalysts are responsible for most of the industrial production of polyethylene and polypropylene. A unique feature of these catalysts is the presence of more than one active site type, leading ... -
Additive Manufacturing of High Temperature Strain Gauges
(University of Waterloo, 2018-12-10)Additive manufacturing (AM) is quickly leading a new revolution in manufacturing. Aerosol ink jet printing (AJP) is a non-contact printing method that allows for printing on irregular substrates. When paired nanoparticulate ... -
Adsorption of an Organic Dye with Cellulose Nanocrystals
(University of Waterloo, 2013-07-23)In developing countries many industries use dyes to colour their products, such as textiles, rubber, paper, cosmetics, leather, plastics, and food industries. Such a wide range of using dyes in many industries increases ... -
Adsorption of EOR Polymers and Surfactants on Carbonate Minerals
(University of Waterloo, 2014-09-24)Polymer and Surfactants are widely used to improve the oil recovery from a reservoir. One of the main issues with injection of these chemicals is their adsorption over reservoir rock surfaces. The first part of this study ... -
Advanced Genomic Engineering Strategy based on Recombineering Protocols to “Tailor” Escherichia coli Strains
(University of Waterloo, 2011-05-24)A systematic approach based on bacteriophage Lambda (Lambda Red) and flippase-flippase recognition targets (FLP-FRT) recombinations was proposed for genomic engineering of Escherichia coli. For demonstration purposes, DNA ... -
Advanced Nanostructured Electrode and Materials Design for Zinc Air Batteries
(University of Waterloo, 2013-04-25)Zinc air batteries have great promise as a new age energy storage device due to their environmental benignity, high energy density in terms of both mass and volume, and low cost Zinc air batteries get their high energy ... -
Alkaline Treatment of Chitosan Membranes
(University of Waterloo, 2022-03-22)Derived from deacetylation of chitin, which is one of the most abundant natural polymers, chitosan has been drawing extensive attention due to its outstanding properties, and potential in many applications in the forms of ... -
Allocation of Hydrogen Produced via Power-to-Gas Technology to Various Power-to-Gas Pathways
(University of Waterloo, 2018-09-04)Demand for renewable energy systems is accelerating and will account for a significant share of future power systems aimed to enhance and decarbonize the world’s energy system. Unlike conventional power plants, electricity ... -
Analysis of a Clean Energy Hub Interfaced with a Fleet of Plug-in Fuel Cell Vehicles
(University of Waterloo, 2011-01-24)The ‘hydrogen economy’ represents an energy system in which hydrogen and electricity are the dominant energy carriers for use in transportation applications. The ‘hydrogen economy’ minimizes the use of fossil fuels in order ... -
Analysis of the Large Scale Centralized Hydrogen Production and the Hydrogen Demand from Fuel Cell Vehicles in Ontario
(University of Waterloo, 2009-08-31)The ‘Hydrogen Economy’ is a proposed system where hydrogen is produced from carbon dioxide free energy sources and is used as an alternative transportation fuel. The application of hydrogen on board fuel cell vehicles can ... -
An Analytical Solution to Transient Composite Domain Diffusion and its Potential Applications
(University of Waterloo, 2020-07-27)The work developed here was initially made to provide a comprehensive model for the modified Loschmidt cell, but the project evolved to derive a more robust transient composite domain diffusion (TCDD) model. The original ... -
Anomaly Detection and Classification with Deep Learning Techniques
(University of Waterloo, 2022-03-30)The capability of deep learning (DL) techniques for dealing with non-linear, dynamic and correlated data has paved the way for developing DL-based solutions for real-world problems. Among them, anomaly detection has been ... -
Antibacterial and Mercury Detection Abilities of Triangular Silver Nanoparticles
(University of Waterloo, 2016-08-30)Silver nanoparticles (AgNPs) have been studied for a long time, because of their significant application in photonics, drug delivery, biological medicine, wastewater treatment, antimicrobials, catalysis and sensors. This ... -
Antimicrobial activity of polyethyleneimine/polyurethane (PEI/PU) colloidal films
(University of Waterloo, 2021-08-27)With the occurrence of healthcare associated infections (HAIs), the development of novel antimicrobial materials has drawn significant research attention. However, developing an antimicrobial material that can be long-term ... -
Antimicrobial Cellulose Nanocrystals Containing Quaternary Ammonium Polymers Prepared via Atom Transfer Radical Polymerization
(University of Waterloo, 2020-09-09)Nanomaterials have been widely used as antimicrobial agents for their high efficiency. However, the lack of recovery techniques and toxicity has raised concerns for the use of these materials. Cellulose nanocrystals (CNCs), ... -
Application of hydrocarbon and perfluorocarbon oxygen vectors to enhance heterologous production of hyaluronic acid in engineered Bacillus subtilis
(University of Waterloo, 2017-12-19)In microbial cultivations for hyaluronic acid (HA) production, oxygen can be a limiting substrate due to its poor solubility in aqueous medium and the substantial increase in culture viscosity at relatively low HA titers. ... -
The Application of Markov Chain Monte Carlo Techniques in Non-Linear Parameter Estimation for Chemical Engineering Models
(University of Waterloo, 2013-09-25)Modeling of chemical engineering systems often necessitates using non-linear models. These models can range in complexity, from a simple analytical equation to a system of differential equations. Regardless of what type ...