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Chemical Engineering: Recent submissions
Now showing items 561-580 of 994
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Identification of Dynamic Metabolic Flux Balance Models Based on Parametric Sensitivity Analysis
(University of Waterloo, 2016-06-15)A dynamic mathematical model that involves a set of physicochemical parameters can describe a dynamic system. Parametric sensitivity analysis studies the effect of changes in these parameters on model outputs of interest. ... -
Solution-processable oligomeric and small molecule semiconductors for organic solar cells
(University of Waterloo, 2016-06-08)Organic solar cells appear as a promising technology within photovoltaic field owing to their low-cost fabrication and their great flexibility enabling a widespread distribution. For now, they are still at the prototype ... -
Colorimetric Identification of Proteins Using Gold Nanoparticles
(University of Waterloo, 2016-05-31)Proteins are the principal executive biomolecules of life. Their existence is required to drive and regulate countless physiological and biochemical activities within the cell. The study of biochemistry and biology are ... -
Modeling and Optimization of Biomass Supply Chain for Energy, Chemicals and Materials Productions
(University of Waterloo, 2016-05-18)In the growing concerns towards global environmental qualities and sustainable feedstocks supplies, scientific and technological efforts were intensified to utilize alternative renewable resources. In this regard, biomass ... -
Wood Fiber Polyamide Composites for Automotive Applications
(University of Waterloo, 2016-05-13)The automotive industry is currently experiencing environmental, legislative, and consumer pressure to improve the environmental sustainability of passenger vehicles. Just one of the approaches being taken to address this ... -
Optimal Location of New Industries in Existing Industrial Areas Accounting for Environmental and Health Risks
(University of Waterloo, 2016-05-13)Nowadays, a major problem throughout the world is air pollution caused mainly by the fast growth in industry. This growth leads to negative impacts on human health and ecosystems directly or indirectly by chemical reactions ... -
Desalination of high-salinity water by membranes
(University of Waterloo, 2016-05-12)This study deals with the desalination of high-salinity water using membranes by pervaporation. The membrane performance was characterized with water flux and salt rejection. It was shown that a water flux of 1.6 kg/m²h ... -
Modification of Metallocene Alpha-Olefin Copolymer by UV-Irradiation
(University of Waterloo, 2016-05-11)Linear low density polyethylene (LLDPE) is used widely in applications like lamination and agricultural films, as well as a modifier for low density (LDPE) and high density (HDPE) polyethylene. LLDPE is made by polymerizing ... -
Manipulating the Sleeping Beauty Mutase Operon in Engineered Escherichia Coli for Controlled Biosynthesis of 1-Propanol and Other Value-Added Chemicals
(University of Waterloo, 2016-05-02)A great fraction of the world’s energy requirements are presently met through the unrestricted use of fossil-derived fuels. However, due to the anticipated demise of these energy sources and the environmental and socioeconomic ... -
Development of High Loading Lithium Sulfur Battery
(University of Waterloo, 2016-04-22)The topic of batteries has been given much attention. With the development and rapid improvement of transistors, the power requirement of our electronics are quickly becoming higher and higher. Unlike Moore’s law, since ... -
The Impact of Degradation Reactions on Aprotic Metal-O2 Battery Performance
(University of Waterloo, 2016-04-18)The need for new portable energy storage technologies places increasing demand on the development of new batteries beyond Li-ion. Potential candidates to fill this necessity are the class of metal-O2 batteries. In particular, ... -
Extended Range Electric Vehicle Powertrain Simulation and Comparison with Consideration of Fuel Cell and Metal-air Battery
(University of Waterloo, 2016-04-14)The automotive industry has been in a period of energy transformation from fossil fuels to a clean energy economy due to the economic pressures resulting from the energy crisis and the need for stricter environmental ... -
Effect of Silica Nanoparticles on Interfacial Tension and Crystallization of Poly(lactic acid) in Supercritical Carbon Dioxide
(University of Waterloo, 2016-04-12)In this thesis, the effect of silica nanoparticles on two of the most important parameters in the foaming of poly (lactic acid) (PLA) was studied: interfacial tension and crystallization. According to classical nucleation ... -
Development of a topical ocular drug delivery system using polymeric nanoparticles
(University of Waterloo, 2016-04-01)Common eye diseases such as dry eye syndrome affect 15% of the population. Although eye drops are the most common treatment for these diseases, over 95% of the drugs applied through eye drops are quickly cleared away due ... -
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 ... -
Development of nanocatalytic-based assay for the detection of an endocrine disrupting compound in aqueous solution
(University of Waterloo, 2016-03-09)Endocrine disrupting compound (EDC) pollutants raise a concern among researchers as these pollutants are implicated in the increasing incidence of testicular, breast and thyroid cancers. Some of these chemicals are widely ... -
High Performance n-Type Polymer Semiconductors for Printed Logic Circuits
(University of Waterloo, 2016-02-01)Solution processable polymer semiconductors open up potential applications for radio-frequency identification (RFID) tags, flexible displays, electronic paper and organic memory due to their low cost, large area processability, ... -
Cationic Cellulose Nanocrystals (CNCs) for Organic and Inorganic Colloids Flocculation
(University of Waterloo, 2016-01-27)Cellulose nanocrystals were modified for use as novel flocculants by taking advantage of the extended cationic polymeric chains on CNCs. They were evaluated using both organic colloids and inorganic bentonite clay particles. ... -
Continuum Modeling of Two Battery Systems: Lithium-Sulfur and Rechargeable Hybrid Aqueous Cells
(University of Waterloo, 2016-01-25)Mathematical models are powerful tools for understanding the mechanisms of a working battery. This thesis develops continuum mechanics models for two battery systems: lithium-sulfur (Li-S) and rechargeable hybrid aqueous ... -
Natural Fiber-Plastic Composites for Construction Applications
(University of Waterloo, 2016-01-22)Natural fiber-plastic composites containing natural fibers as dispersed phase (filler) and polypropylene as matrix are an important and emerging type of compounds used in construction, automotive, consumer products, etc. ...