Browsing Chemical Engineering by Title
Now showing items 962-981 of 987
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Ultraviolet-C Irradiation, Heat, and Storage as Potential Methods of Inactivating SARS-CoV-2 and Bacterial Pathogens on Filtering Facepiece Respirators
(Multidisciplinary Digital Publishing Institute, 2022-01-10)The arrival of SARS-CoV-2 to Aotearoa/New Zealand in February 2020 triggered a massive response at multiple levels. Procurement and sustainability of medical supplies to hospitals and clinics during the then upcoming ... -
Uncertainty Analysis and Control of Multiscale Process Systems
(University of Waterloo, 2015-08-13)Microelectronic market imposes tight requirements upon thin film properties, including specific growth rate, surface roughness and thickness of the film. In the thin film deposition process, the microscopic events determine ... -
Uncertainty Analysis and Robust Optimization of a Single Pore in a Heterogeneous Catalytic Flow Reactor System
(University of Waterloo, 2017-08-31)Catalytic systems are crucial to a wide number of chemical production processes, and as a result there is significant demand to develop novel catalyst materials and to optimize existing catalytic reactor systems. These ... -
Understanding the Sf9 – Baculovirus Expression Vector System: Exploring the Metabolic Basis of the Cell Density Effect through Nuclear Magnetic Resonance Spectroscopy and Flow Cytometry Analysis of Fluorescent Protein Accumulation
(University of Waterloo, 2020-05-15)It is well established that the baculovirus expression vector system (BEVS) can serve as an important, effective production system for various biologicals. Knowing that the cells can serve as a production platform is ... -
Uniaxial and Viscoelastic Properties of SPI and SPI-Polysaccharide Gels
(University of Waterloo, 2022-03-23)Nowadays, consumption of soy-based products is increasing due to their appealing nutritional profile, affordability, health benefits, and potential to serve as a suitable substitute for dairy-based foods. Textural property ... -
Upcycling Plastic Waste to Activated Carbon for Waste Water Treatment Applications
(University of Waterloo, 2024-04-09)Plastic waste disposal continues to be a widespread issue, as plastic products are discarded at high rates and do not biodegrade in the environment. Although a portion of this waste is recycled, the limitations of conventional ... -
Use and Control of Co-Expression in the Baculovirus-Insect Cell System for the Production of Multiple Proteins and Complex Biologics
(University of Waterloo, 2016-08-19)The ease of use and versatility of the Baculovirus Expression Vector System (BEVS) has made it one of the most widely used platforms for recombinant protein production. In the last ten years, the system has even gained ... -
Use of Supercritical Propylene to Produce Polypropylene/Clay Nanocomposites via in situ Polymerization
(University of Waterloo, 2014-05-02)Nanocomposites have been receiving a lot the attention in the last decade from both industry and academia, since a small amount of nanofiller can significantly improve the materials properties. In the field of thermoplastics, ... -
Using IR Thermography to Evaluate Temperature Distributions on a Diesel NOx Adsorber Catalyst during Simulated Operation
(University of Waterloo, 2007-07-06)In emissions catalyst applications, an axial distribution of reaction, surface chemistry, and temperature all exist on or along the surface of the catalyst. Understanding these distributions is very important in developing ... -
Using Polymers to Improve the Performance of Sulfur and Organic Cathodes
(University of Waterloo, 2022-10-28)Pollution, climate change and the rapid consumption of fossil fuel resources are driving the development and adoption of clean and renewable energy sources, including hydro, wind and solar power, as well as non-fossil fuel ... -
Utilization of Biorenewable Polymers for Functional Applications
(University of Waterloo, 2020-04-30)The need to transition to more sustainable and renewable technology has resulted in a focus on the two bio-renewable polymers, cellulose and lignin. Cellulose nanocrystals (CNCs) and lignin can be the materials of the ... -
Utilizing ‘Power-to-Gas’ Technology for Storing Energy and to Optimize the Synergy between Environmental Obligations and Economical Requirements
(University of Waterloo, 2017-06-05)This work develops a generalized modeling framework using several approaches for assessing the feasibility of storing energy in order to demonstrate the economic and environmental benefits of managing the existing power ... -
VAPEX Experiments in an Annular Packing of Glass Beads and the Numerical Simulation of VAPEX using Comsol®
(University of Waterloo, 2007-09-26)Vapour Extraction (VAPEX) is an in-situ bitumen recovery technique that utilizes light hydrocarbons to reduce the viscosity of bitumen. The mechanism of VAPEX is governed by the mass transfer of light hydrocarbons into ... -
Various aspects of single bacterial cell: from encapsulating nanoparticle, cell patterning and studying gene expression
(University of Waterloo, 2016-11-15)Behaviour of single bacterium have been mysterious for many years due to the technical difficulty and nature of bacteria forming communities. It has not been long since engineers and scientists have started to develop ... -
Versatile and efficient pore network extraction method using marker-based watershed segmentation
(American Physical Society, 2017-08-16)Obtaining structural information from tomographic images of porous materials is a critical component of porous media research. Extracting pore networks is particularly valuable since it enables pore network modeling ... -
Versatile Routes for Acrylonitrile Butadiene Rubber Latex Hydrogenation
(University of Waterloo, 2012-06-19)The direct catalytic hydrogenation of acrylonitrile-butadiene-rubber in latex form was studied for the development of a simple process for the modification of unsaturated diene-based polymers. Acrylonitrile-butadiene-rubber, ... -
Visualization of bivariate sequence length-chain length distribution in free radical copolymerization
(Wiley, 2017-08)Copolymer properties and processability depend on copolymer microstructure, i.e., copolymer composition and monomer unit arrangements along copolymer chains. To predict ultimate properties of copolymers, one needs complete ... -
Water Based Polyurethane Multi-Functional Composites
(University of Waterloo, 2020-05-13)Polyurethanes (PUs) are a class of versatile polymers that exhibit various mechanical, physical, chemical and biological properties depending on their structure and morphology. Polyurethanes (PUs) have been employed in a ... -
Water Detection Framework for Industrial Electric Arc Furnaces
(University of Waterloo, 2016-12-23)This thesis develops a framework for water detection in an industrial electric arc furnace. The objective of the framework is to prevent water leak furnace explosions. This framework consists of a hybrid algorithm and a ... -
Wettability and capillary behavior of fibrous gas diffusion media for polymer electrolyte membrane fuel cells
(Elsevier, 2009-10-20)The relationship of capillary pressure to liquid saturation for the water-air fluid pair in two different types of gas diffusion media (GDM) used in polymer electrolyte membrane fuel cell (PEMFC) electrodes is elucidated. ...