Browsing Chemical Engineering by Title
Now showing items 93-112 of 988
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Cellulose Nanocrystals Incorporated Nanocomposites for Water Treatment Applications
(University of Waterloo, 2017-01-12)Water is the elixir of life; however, it is being increasingly contaminated by a wide variety of contaminants from industrial, municipal and agricultural sources like dyes, heavy metal ions, food additives, pharmaceuticals, ... -
Cellulose – Polycarbonate Nanocomposites: A novel automotive window alternative
(University of Waterloo, 2011-04-29)Nanocrystalline cellulose (NCC) has great potential as a reinforcing agent in thermoplastics (such as polyesters, polyamides and polycarbonates) due to its high mechanical strength and aspect ratio – being compared with ... -
Cellulosic Nanocomposites for Advanced Manufacturing: An Exploration of Advanced Materials in Electrospinning and Additive Manufacturing
(University of Waterloo, 2020-02-21)The effects of formulation and processing of thermoplastics and composites containing Nanocrystalline Cellulose (NCC) were explored and characterized for electrospinning and fused deposition modeling 3D printing advanced ... -
CFD Modeling of Biomass Gasification Using a Circulating Fluidized Bed Reactor
(University of Waterloo, 2014-02-12)Biomass, as a renewable energy resource, can be utilized to generate chemicals, heat, and electricity. Compared with biomass combustion, biomass gasification is more eco-friendly because it generates less amount of green ... -
CH4 Reforming for Synthesis Gas Production over Supported Ni Catalysts
(University of Waterloo, 2010-08-25)Partial oxidation of CH4, CO2 reforming of CH4, and oxidative CO2 reforming of CH4 to produce synthesis gas at 700°C over supported Ni catalysts have been studied. A Ni/Mg-Al catalyst was prepared by the solid phase ... -
Characterization and evaluation of amphipathic, cationic peptides for small interfering RNA delivery
(University of Waterloo, 2015-06-19)RNA interference (RNAi) is a highly efficient and specific posttranscriptional gene silencing process, which can be triggered by small interfering RNA. The efficiency and specificity of this process makes siRNA a powerful ... -
Characterization and Improvement of Oxygen Mass Transfer in a Rocking Disposable Bioreactor
(University of Waterloo, 2020-06-04)Rocking disposable bioreactors use a cyclic rocking motion to induce mixing and oxygen transfer from the headspace gas into the liquid and are a novel type of bioreactor currently suitable for smaller-scale cell growth. ... -
Characterization of a novel weak cation-exchange hydrogel membrane through the separation of lysozyme from egg white
(University of Waterloo, 2012-09-07)Membrane chromatography was investigated as an alternative method to packed-bed chromatography for protein recovery. The purification of lysozyme from egg white with Natrix adseptTM weak cation-exchange membranes was ... -
Characterization of Alternative Promoters to Stagger and Control Multiple Gene Expression and Protein Production in the Baculovirus-Insect Cell System
(University of Waterloo, 2014-11-05)The baculovirus-insect cell system is one of the most widely used systems for recombinant protein production. The ease of handling insect cells and their ability to produce mammalian-like post-translational modifications, ... -
Characterization of Competitive Oxidation Reactions Over a Model Pt-Pd/Al2O3 Diesel Oxidation Catalyst
(University of Waterloo, 2009-05-19)There has been a growing interest in using lean-burn engines due to their higher fuel economy and associated lower CO2 emissions. However, there are challenges in reducing NOX in an O2-rich (lean-burn) exhaust, and in low ... -
Characterization of Ethylene/1-Octene Copolymers with High-Temperature Thermal Gradient Interaction Chromatography (HT-TGIC)
(University of Waterloo, 2016-10-18)Chemical composition distribution (CCD) of polyolefins is being measured by well established crystallization techniques, but they are limited to semi-crystalline polyolefins. High-temperature thermal gradient interaction ... -
Characterization of Ethylene/α-Olefin Copolymers Made with a Single-Site Catalyst Using Crystallization Elution Fractionation
(University of Waterloo, 2011-08-26)A new analytical technique to measure the chemical composition distribution (CCD) of polyolefins, crystallization elution fractionation (CEF), was introduced in 2006 during the First International Conference on Polyolefin ... -
Characterization of Silver-Polyaniline-Epoxy Conductive Adhesives
(University of Waterloo, 2013-01-25)Electrical conductive adhesives (ECAs) containing silver filler and polyaniline co-filler were characterized for their electro-mechanical properties. Polyaniline is a conductive polymer and has a moderate conductivity in ... -
Characterization of single- and multilayer cold-spray coating of Zn on AZ31B
(Elsevier, 2021-06-25)Zinc, a soft material with a low melting point and high corrosion resistance, was coated onto AZ31B Mg alloy using different cold spraying process parameters. The physical and mechanical properties of the resulting Zn/AZ31B ... -
Chemical Modification of Poly-α-1,3-Glucan
(University of Waterloo, 2022-05-09)Sustainability is becoming a primary consideration in the development of new materials. Specifically, renewability and biodegradability are desirable properties for materials in a variety of applications, including packaging ... -
Chemical Modification of Polybutene-1 Resins
(University of Waterloo, 2019-05-07)Controlled rheology polybutene (CRPB) resins have been produced by peroxide induced degradation during reactive processing in a batch mixing operation. Two grades of commodity polybutene-1 (PB-1) resins were selected for ... -
Chemical Modification of Polypropylene with Organo-functional Silanes
(University of Waterloo, 2015-01-05)Conventional polypropylene (PP) suffers at higher service temperatures and its poor melt strength limits its application in some processes. PP also lacks functional groups necessary for good adhesion to synthetic or natural ... -
Chemical Tailoring of Lignin for Functional and Sustainable Material Solutions
(University of Waterloo, 2023-09-01)Lignin, being the second most abundant natural biopolymer after cellulose, constitutes between 18 wt.% and 35 wt.% of wood. Due to its abundance, sustainability, renewability, and the amenability to undergo numerous ... -
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, ... -
Chitosan Edible Films Crosslinked by Citric Acid
(University of Waterloo, 2019-08-14)Chitosan offers an exciting potential as a safe, biodegradable material for niche food packaging and coating applications. Barriers to getting this crustacean-derived polysaccharide to the packaging market include poor ...