Browsing Chemical Engineering by Title
Now showing items 901-920 of 992
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Study on Solution-Processable Polypyrrole-Based Conducting Polymers
(University of Waterloo, 2023-01-26)Due to the adjustable conductivity, cost-effective synthesis, and easy device fabrication, conducting polymers have wide-ranging applications in numerous areas, including sensors, solar cells, supercapacitors, and electrodes. ... -
Study, Analysis, and Validation of a Specific Two-fluid Model for Dispersed Two-Phase Flow
(University of Waterloo, 2022-01-17)Multiphase flows are commonly found and have a significant role in different processes in the energy, environmental, biological, and pharmaceuticals industries. The behavior of multiphase flows is very complicated due to ... -
Sub-Micron Indium Pillar Fabrications
(University of Waterloo, 2009-05-13)The laws of classical mechanics show that mechanical properties are independent of sample sizes. However, based on extensive theoretical work and experimentation, it is believed that reducing the size of materials to the ... -
Sulfur based Composite Cathode Materials for Rechargeable Lithium Batteries
(University of Waterloo, 2013-08-29)Lithium-ion batteries are leading the path for the power sources for various portable applications, such as laptops and cellular phones, which is due to their relatively high energy density, stable and long cycle life. ... -
Sulfur-based cathodes operated at strict cycling conditions for Li-based batteries
(University of Waterloo, 2020-08-05)With widespread investments from the transportation sectors, the electrification of a significant portion of the transportation market appears to be on the horizon. However, the range and price of these vehicles remains a ... -
Sulphur Removal Characteristics from a Commercial NOx Storage/Reduction Catalyst
(University of Waterloo, 2009-05-15)The ability to effectively remove sulphur from sulphur-poisoned NOx storage/reduction (NSR) catalysts, while minimizing associated fuel penalties and thermal degradation, is important for commercial application of NSR ... -
Supercritical Fluid Assisted Recovery of Organometallic Catalysts from Polymers
(University of Waterloo, 2012-05-18)The recovery of organometallic catalysts from polymer matrices is of great importance in promoting the application of homogeneous catalysts in industry. Such a green recovery technique will not only popularize the techniques ... -
Superstructure Optimization of Multiple Cyclone Arrangements Using Mixed Integer Nonlinear Programming
(University of Waterloo, 2015-08-18)The gas-solid cyclone has been remarkably widely used among all types of industrial gas-cleaning devices. Many studies have been conducted and reported excessive experimental, theoretical, and computational research aimed ... -
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 ... -
Supplementation Strategies for Tuning Glycosylation of Monoclonal Antibodies and Enhancing Growth in Mammalian Cell Culture by Omics Analysis
(University of Waterloo, 2018-04-17)Two fundamental objectives of bioprocess engineering are to increase productivity and improve product quality. Glycosylation is a critical and variable factor in the quality of several therapeutic proteins, particularly ... -
Supplementing glycosylation: A review of applying nucleotide-sugar precursors to growth medium to affect therapeutic recombinant protein glycoform distributions
(Elsevier, 2018-09-01)Glycosylation is a critical quality attribute (CQA) of many therapeutic proteins, particularly monoclonal antibodies (mAbs), and is a major consideration in the approval of biosimilar biologics due to its effects to ... -
Surface interactions between nanocrystal cellulose and liposomes
(University of Waterloo, 2015-02-05)Cellulose nanocrystal (CNC),which is produced from acid hydrolysis of native cellulose fibers, is a nanoparticle with exceptional strength and physicochemical characteristics. It is renewable, biodegradable, non-toxic and ... -
Surface Modification and Characterization of Cellulose Nanocrystal for Biomedical Applications
(University of Waterloo, 2014-05-09)There is an ever-increasing desire to develop novel materials that could control the release of active compounds and increase their stability. Replacing petroleum-based synthetic polymers with sustainable materials has ... -
Surface Segregation in Binary Polymer Blends due to Stiffness Disparity
(University of Waterloo, 2021-07-14)The main objective of this work is to study the surface segregation of a binary polymer blend, where the two components have the same molecular volume but are different in other properties such as end-to-end distance, ... -
Surface Tension and Adsorption Kinetics of Volatile Organic Amphiphiles in Aqueous Solution
(University of Waterloo, 2011-08-11)Amphiphiles that possess a dual character, hydrophobic and hydrophilic, are employed in many chemical, pharmaceutical and biological applications. Amphiphile molecules that include a hydrophilic head and a hydrophobic tail ... -
Surface Tension and Adsorption of Volatile Organic Amphiphiles in Aqueous Solution
(University of Waterloo, 2007-06-14)The surface tension of an interface separating two bulk phases is one of the most widely studied properties in surface science research. The importance of surface or interfacial tension is reflected in the diverse number ... -
Surface Tension Measurement of High Density Polyethylene and Its Clay Nanocomposites in Supercritical Nitrogen
(University of Waterloo, 2009-08-14)Surface tension of a polymer melt in a supercritical fluid is a principal factor in determining cell nucleation and growth in polymer microcellular foaming. Previous work has presented the surface tension of the amorphous ... -
Surface Tension Measurement of Polystyrene in Supercritical Fluids
(University of Waterloo, 2007-10-01)Interfacial tension provides valuable information about polymer processes such as foaming, particle (pigment) suspension, wetting, and blending. Among the methods commonly used to measure surface tension, drop shape methods ... -
Synthesis and Characterization of Nanostructured Semiconductor Materials by Self-assembling Methods
(University of Waterloo, 2008-01-24)This thesis reported synthesis of TiO2 nanostructures and Fe2O3 nanostructures and studied on self-assembling process. The morphologies, compositions, and physicochemical properties of the prepared samples were characterized ... -
Synthesis and Characterization of Poly-(Methyl Methacrylate) Nanoparticles with Ultrasound Assistance
(University of Waterloo, 2015-06-18)Nano-sized poly-(methyl methacrylate) (PMMA) is synthesized by employing three different methods with various techniques of emulsifying. This research is aimed at finding more effective and simpler ways to synthesize PMMA ...