Browsing Chemical Engineering by Issue Date
Now showing items 21-40 of 988
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Conductive Thermoplastic Composite Blends for Flow Field Plates for Use in Polymer Electrolyte Membrane Fuel Cells (PEMFC)<br><br>
(University of Waterloo, 2006)This project is aimed at developing and demonstrating highly conductive, lightweight, and low-cost thermoplastic blends to be used as flow field bipolar plates for polymer electrolyte membrane (PEM) fuel cells. <br><br> ... -
Nitroxide-mediated controlled degradation of polypropylene
(University of Waterloo, 2006)Nitroxide-mediated Controlled Degradation of Polypropylene <br /> Controlled-rheology polypropylene resins (CRPP) have been produced industrially for years using reactive extrusion processes employing peroxides as free ... -
MODELING OLEFIN POLYMERIZATION USING MONTE CARLO SIMULATION: DETAILED COMONOMER DISTRIBUTION
(University of Waterloo, 2006)In recent years there have been many efforts to develop and expand the ability of mathematical models capable of describing polymerization systems. Models can provide a key competitive advantage for the industry and ... -
Preparation and Characterization of Polymer TiO<sub>2</sub> Nanocomposites via <em>In-situ</em> Polymerization
(University of Waterloo, 2006)Polymer nanocomposites are already a part of many important of worldwide businesses: automotive (molded part in cars), electronics and electrical engineering, household products, packaging industry, aircraft interiors, ... -
Development of self-assembled polyelectrolyte membranes for pervaporation applications
(University of Waterloo, 2006)Electrostatic self-assembly is a simple, yet versatile and environmentally friendly technique. This technique has been widely used in different areas and recently it has also been used to make nano-structured separating ... -
In-plane and through-plane gas permeability of carbon fiber electrode backing layers
(Elsevier, 2006-11-08)The absolute gas permeability of several common gas diffusion layer (GDL) materials for polymer electrolyte membrane fuel cells was measured. Measurements were made in three perpendicular directions to investigate anisotropic ... -
Mass Transfer to/from Distributed Sinks/Sources in Porous Media
(University of Waterloo, 2006-12-18)This research addresses a number of fundamental issues concerning convective mass transfer across fluid-fluid interfaces in porous media. Mass transfer to/from distributed sinks/sources is considered for i) the slow ... -
Production and Modeling of Recombinant Protein
(University of Waterloo, 2007-01-19)Computational models of recombinant production of tissue-type Plasminogen Activator (tPA) were created, studied and compared for two hosts, Chinese Hamster Ovary (CHO)cells and Escherichia coli (E. coli), using SuperPro® ... -
Thermoplastic Composites for Polymer Electrolyte Membrane Fuel Cell Bipolar Plates
(University of Waterloo, 2007-01-22)Polymer electrolyte membrane fuel cells (PEMFCs) exhibit encouraging potential as an enabling technology for the Hydrogen Economy. Currently an important barrier to commercialization is the cost associated with existing ... -
Direct Catalytic Hydrogenation of Unsaturated Diene-Based Polymers in Latex Form
(University of Waterloo, 2007-01-22)The direct catalytic hydrogenation of nitrile butadiene rubber (NBR) in latex form was studied as a model system for the development of a new latex hydrogenation process for the modification of unsaturated diene-based ... -
Mathematical Modeling of Atom Transfer Radical Polymerization
(University of Waterloo, 2007-01-23)Atom transfer radical polymerization is a new and important living polymerization mechanism because it can produce many different polymers with controlled microstructures and novel properties. The commercialization of these ... -
Development of a Novel Continuous Process for Hydrogenation of NBR
(University of Waterloo, 2007-01-23)Hydrogenation of nitrile butadiene rubber (NBR) has been carried out industrially for a number of years, producing a material with exceptional resilience to high temperatures and oxidative conditions. Current processes ... -
An Optimization Approach for Integrating Planning and CO2 Mitigation in the Power and Refinery Sectors
(University of Waterloo, 2007-03-07)Climate change is one of the greatest and probably most challenging environmental, social and economical threats facing the world this century. Human activities have altered the chemical composition of the atmosphere through ... -
Optimization of Recombinant Protein Production by a Fungal Host
(University of Waterloo, 2007-04-05)The natural ability of filamentous fungi to synthesize, glycosylate, and secrete high levels of protein products has made them potentially attractive hosts for heterologous protein production. Advances in fungal genetics ... -
Process Oscillations in Continuous Ethanol Fermentation with Saccharomyces cerevisiae
(University of Waterloo, 2007-04-25)Based on ethanol fermentation kinetics and bioreactor engineering theory, a system composed of a continuously stirred tank reactor (CSTR) and three tubular bioreactors in series was established for continuous very high ... -
Design, Modeling and Analysis of a Continuous Process for Hydrogenation of Diene based Polymers using a Static Mixer Reactor
(University of Waterloo, 2007-05-10)Hydrogenated nitrile butadiene rubber (HNBR) which is known for its excellent elastomeric properties and mechanical retention properties after long time exposure to heat, oil and air is produced by the catalytic hydrogenation ... -
Synthesis, Characterization and Modeling of Porous Copolymer Particles
(University of Waterloo, 2007-05-11)Hydrogels are polymeric materials that have three-dimensional polymeric networks, which are able to absorb and retain a large amount of water within their structures without being dissolved. Among the synthetic hydrogel, ... -
Reduction of CO2 Emissions from Cement Plants
(University of Waterloo, 2007-05-14)Reduction of CO2 Emissions from Cement Plants Governments around the world have been pressured by society to discuss environmental issues, and global warming is one of the most controversial debates. The Kyoto Protocol ... -
Wheat Straw-Polypropylene Composites
(University of Waterloo, 2007-05-16)Composites are combinations of mainly two different components: the matrix and the filler/reinforcement. In the thermoplastic composites industry, natural fibers from agricultural crops have been emerged as alternative ... -
Binding of Self-assembling Peptides to Oligodeoxynucleotides
(University of Waterloo, 2007-05-18)This thesis is an experimental investigation on the binding of self-assembling peptides to oligodeoxynucleotides (ODNs) and the characterization of the resulting peptide-ODN complexes/aggregates, the first key step in the ...