Browsing Chemical Engineering by Title
Now showing items 759-778 of 990
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Preparation of Thermoplastic Vulcanizates from Devulcanized Rubber and Polypropylene
(University of Waterloo, 2013-04-22)One of the current problems faced by mankind is the problem of safe disposal of waste rubber. Statistics show that the number of waste tires is continuously increasing at a very rapid rate. Since rubber materials do not ... -
Preparation, Characterization and Performance of Poly(vinyl alcohol) based Membranes for Pervaporation Dehydration of Alcohols
(University of Waterloo, 2008-09-24)Pervaporation (PV), a non-porous membrane separation process, is gaining considerable attention for solvent separation in a variety of industries ranging from chemical to food and pharmaceutical to petrochemicals. The most ... -
Preparation, characterization, and evaluation of Mg-Al mixed oxide supported nickel catalysts for the steam reforming of ethanol
(University of Waterloo, 2008-01-22)The conversion of ethanol to hydrogen or syngas can be achieved by reacting ethanol with water via steam reforming, CH3CH2OH + (1-x)H2O = (4-x)H2 + (2-x)CO + xCO2 (R.1) CH3CH2OH + H2O = 4H2 + 2CO (R.2) CO + H2O = ... -
Process Analysis of Asymmetric Hollow Fiber Permeators, Unsteady State Permeation and Membrane-Amine Hybrid Systems for Gas Separations
(University of Waterloo, 2013-04-25)The global market for membrane separation technologies is forecast to reach $16 billion by the year 2017 due to wide adoption of the membrane technology across various end-use markets. With the growth in demand for high ... -
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 ... -
Product Design of Wheat Straw Polypropylene Composite
(University of Waterloo, 2012-06-15)The use of wheat straw and other agricultural by-product fibers in polymer composite materials offers many economical and environmental benefits. Wheat straw has been recently commercialized as new filler for polypropylene ... -
Production and Characterization of Wheat Gluten Films
(University of Waterloo, 2012-12-17)Biodegradable, edible wheat gluten films offer a renewable alternative to plastic food packaging or can be incorporated directly in the food product. Wheat gluten is a good option because it forms a fibrous network, lending ... -
Production and fractionation of antioxidant peptides from soy protein isolate using sequential membrane ultrafiltration and nanofiltration
(University of Waterloo, 2012-04-17)Antioxidants are molecules capable of stabilizing and preventing oxidation. Certain peptides, protein hydrolysates, have shown antioxidant capacities, which are obtained once liberated from the native protein structure. ... -
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® ... -
Production of Linear Alkybenzene Sulfonic Acid (LAS) at High Pressure in Supercritical Carbon Dioxide Medium
(University of Waterloo, 2010-08-26)Linear Alkyl benzene Sulfonic Acid (LAS) is the main ingredient of many commercial formulations for industrial and domestic synthetic detergents. The current industrial LAS production method includes sulfonation of linear ... -
Production of 3-hydroxy acids from acetate in engineered Escherichia coli
(University of Waterloo, 2018-09-21)Acetate serves as an uncommon carbon source for metabolic engineering of value-added chemicals. As a carbon source, acetate has unique advantages since it is not derived from food sources and can be produced as a waste ... -
Production Scheduling Optimization of a Plastics Compounding Plant with Quality Constraints
(University of Waterloo, 2009-01-21)Production scheduling is a common problem that occurs in multi-product manufacturing facilities where a wide range of products are produced in small quantities, resulting in frequent changeovers. A plastics compounding ... -
Production, Fractionation, and Evaluation of Antioxidant Potential of Peptides Derived from Soy Protein Digests
(University of Waterloo, 2010-06-08)Oxidation plays an important role in the basic processes of life, such as the production of energy and phagocytosis employed by the immune system. However, when an imbalance between oxidants and antioxidants exists in ... -
Programmable stimuli-responsive zwitterionic hydrogels for soft robotic applications
(University of Waterloo, 2023-04-27)As a prominent class of actuators, stimuli-responsive hydrogels have attracted significant interest in the soft robotics community for biomedical applications. Key features of hydrogels, including high water content ... -
Propylene Polymerization Using 4th Generation Ziegler-Natta Catalysts: Polymerization Kinetics and Polymer Microstructural Investigation
(University of Waterloo, 2011-08-11)A systematic study of propylene polymerization using a 4th generation Ziegler-Natta catalyst is presented in this thesis. The apparent kinetic rate constants for propylene polymerization were estimated in the presence and ... -
Protein Capture by Cation Exchange Membranes
(University of Waterloo, 2015-04-13)Monoclonal antibodies (mAbs) are large recombinant proteins produced in CHO (Chinese hamster ovary) cell culture with a multiplicity of applications such as ligands for affinity chromatography material, medical applications ... -
Proteomic Analysis and Long Term Live Cell Imaging of Primary Human Cells in Culture
(University of Waterloo, 2011-08-18)Regenerative medicine is a rapidly developing field, merging engineering and biological life sciences to create biological replacements for damaged tissue and organ function. Development of cellular based therapies has the ... -
PSEUDO-TERNARY PHASE DIAGRAMS OF A DRUG DELIVERY SYSTEM
(University of Waterloo, 2009-05-04)The purpose of this research was to develop the pseudo-ternary phase diagrams for a model drug delivery system consisting of vitamin E (model drug) + soybean oil + surfactant + co-surfactant (anhydrous glycerol) + water. ... -
PVAm-PVA Composite Membranes Incorporated with Carbon Nanotubes and Molecular Amines for Gas Separation and Pervaporation
(University of Waterloo, 2014-01-02)This study deals with polyvinylamine (PVAm)-poly(vinyl alcohol) (PVA) based composite membranes incorporated with carbon nanotubes (CNTs) and molecular amines (e.g., piperazine (PZ), triethanolamine (TEA), N-methyldiethanolamine ... -
Pyrolysis, kinetics analysis, thermodynamics parameters and reaction mechanism of Typha latifolia to evaluate its bioenergy potential
(Elsevier, 2017-09-01)This work was focused on understanding the pyrolysis of Typha latifolia. Kinetics, thermodynamics parameters and pyrolysis reaction mechanism were studied using thermogravimetric data. Based on activation energies and ...