Browsing Chemical Engineering by Title
Now showing items 1-20 of 983
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3D bioprinting of liver-mimetic construct with alginate/cellulose nanocrystal hybrid bioink
(Elsevier, 2018-03-01)3D bioprinting is a novel platform for engineering complex, three-dimensional (3D) tissues that mimic real ones. The development of hybrid bioinks is a viable strategy that integrates the desirable properties of the ... -
3D N-doped hybrid architectures assembled from 0D T-Nb2O5 embedded in carbon microtubes toward high-rate Li-ion capacitors
(Elsevier, 2019-02)Herein, a unique nitrogen-doped T-Nb2O5/tubular carbon hybrid structure in which T-Nb2O5 nanoparticles are homogeneously embedded in an in-situ formed nitrogen-doped microtubular carbon is synthesized, utilizing a facile ... -
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 ... -
Acrylonitrile copolymer/graphene skinned cathode for long cycle life rechargeable hybrid aqueous batteries at high-temperature
(Elsevier, 2018-04-01)For aqueous rechargeable lithium battery (ARLB), excellent cycling stability at elevated temperature is highly desirable in its application of electric vehicles (EVs). However, most state-of-art ARLBs show poor durability ... -
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 Kinetics of Alkane-thiol Capped Gold Nanoparticles at Liquid-Liquid Interfaces.
(University of Waterloo, 2012-03-08)The pendant drop technique was used to characterize the adsorption behavior of n-dodecane-1-thiol and n-hexane-1-thiol capped gold nanoparticles at the hexane-water interface. The adsorption process was studied by analyzing ... -
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 ... -
Adsorptive Removal of Refractory Sulphur and Nitrogen Compounds from Transportation Fuels
(University of Waterloo, 2011-09-02)The reduction of sulphur in transportation fuel has gained significant importance as the regulatory agencies worldwide react to air quality concerns and the impact of sulphur oxides on the environment. The overall objective ... -
Advanced Carbon Nanomaterials as Non-Precious Metal Catalysts for Fuel Cells
(University of Waterloo, 2017-08-24)Polymer electrolyte membrane fuel cells (PEMFCs) are electrochemical devices that efficiently convert hydrogen and oxygen into electricity and water. Their clean point of operation emissions and continuous operation have ... -
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 Heteroatom Doped Nanocarbon Materials as Platinum Catalyst Supports for Fuel Cells
(University of Waterloo, 2016-03-17)The pressing demand for high performance, operationally stable and inexpensive electrocatalyst materials for proton exchange membrane fuel cells (PEMFCs) has spurred significant research and development interest in this ... -
Advanced membrane for water desalination and ion separation applications
(University of Waterloo, 2023-04-25)Population growth, contamination of fresh water, and climate change are increasing pressure on water supplies, accelerating the need for technological solutions that will improve access to clean water for drinking and ... -
Advanced Nanostructure Materials for Hybrid Supercapacitors
(University of Waterloo, 2017-07-05)Hybrid supercapacitors (HSCs) are electrochemical devices that combine the characteristics of batteries and supercapacitors in one asymmetric cell. Lithium ion batteries (LIBs) and supercapacitors (SCs) represent two ends ... -
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 ... -
Advanced non-precious metal catalyst for oxygen reduction reaction in polymer electrolyte membrane fuel cells
(University of Waterloo, 2017-09-20)To address the global energy and environmental challenges, the polymer electrolyte membrane fuel cell (PEMFC) is proposed and developed as one of the most promising power source candidates for various applications including ... -
Advanced Silicon Anode Architectures for High Energy Density Lithium-ion Batteries
(University of Waterloo, 2018-09-07)The pressing environmental issues and the continuous increase in energy demand have drawn tremendous attention to the development of advanced electrochemical energy storage systems (EESS). Lithium-ion batteries are currently ...