Browsing Department of Chemical Engineering Graduate Theses by Title
Now showing items 220-239 of 284
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Preliminary Assessment and Experimental System for Converting VOC Fumes to Hydrogen Energy
The solvents used in painting and finishing are the primary source of volatile organic compounds (VOCs) in automotive manufacturing. Traditionally, VOCs have been incinerated in a Regenerative Thermal Oxidizer (RTO) that ... -
Preparation and characterization of biopolymer compounds containing poly-3-hydroxyalkanoates and polylactic acid
(2014-09-03)This thesis is focused on developing cost effective and environmentally friendly techniques to improve the properties and processability of biopolyesters through compounding and reactive modification. Specifically, elastomeric ... -
Preparation and Characterization of Hydrophobic Graphene-Based Thin Films
Since the ``Scotch tape" discovery of graphene synthesis over a decade ago there has been significant interest in the industrial scale-up of graphene production, with the understanding that the material's exceptional ... -
Preparation and characterization of polyolefin / nanosilica composites
(2011-04-19)Polypropylene (PP) and ethylene-co-octene copolymer (EOC) blends were prepared at various component ratios and reinforced with silica nanoparticles (SiO2). Strategies to improve filler dispersion involved the grafting of ... -
Preparation of CO2-Switchable and Water-Redispersible Latexes Using Nitroxide-Mediated Surfactant-Free Emulsion Polymerization
(2015-09-15)The main objective of this research project was synthesizing CO2-responsive latexes by nitroxide-mediated polymerization (NMP). Therefore, 2-(diethylamino)ethyl methacrylate (DEAEMA) as a CO2-responsive monomer was chosen ... -
Preparation of CO2-Switchable Poly(Methyl Methacrylate) Latexes by Surfactant-Free Emulsion Polymerization
(2014-09-25)The work presented herein focused on the preparation of CO2 switchable poly(methyl methacrylate) latexes by surfactant-free emulsion polymerization. N,N-Dimethylaminoethyl Methacrylate (DMAEMA) was chosen as the functional ... -
Preparation of Polymer Nanoparticles by Ring Opening Metathesis Polymerization in Aqueous Dispersed Systems with Water-Soluble Ruthenium-based Catalyst
(2016-09-22)Ring opening metathesis polymerization (ROMP) is a variant of olefin metathesis used to polymerize strained cyclic olefins. Ruthenium-based Grubbs’ catalysts are widely used in ROMP to produce industrially important products. ... -
Printing of Electrochemical Energy Storage Device Components
Materials printing is a versatile technology used in a wide range of industrial-scale manufacturing processes that require high-precision transfer of materials on different substrates. Despite the numerous studies available ... -
Process Analysis and Performance Assessment for Sheet Forming Processes
(2015-02-04)Process monitoring and controller performance assessment are essential tools for ensuring that manufacturing processes operate safely, predictably, meet quality targets and operate profitably. Efficient techniques for ... -
Process development for fed-batch production of medium-chain-length poly(3-hydroxyalkanoate) from decanoic acid
(2015-12-16)The main goal of the thesis is to develop strategies for the fed-batch production of medium-chain-length poly(3-hydroxyalkanoate) (MCL-PHA) by Pseudomonas putida KT2440 from decanoic acid (DA) co-feeding with glucose (G). ... -
Process Development for the Production and Separation of Medium-Chain-Length Poly (3-Hydroxyalkanoates) by Pseudomonas Putida KT2440
(2010-08-31)A series of medium-chain-length poly(3-hydroxyalkanoates) (MCL-PHAs) with enriched 3-hydroxynonanoate (HN) content (up to 95.8 mol% compared to 68.6 mol% without acrylic acid) or 3-hydroxyoctanoate (HO) content (up to 97.5 ... -
Production of Medium-Chain-Length Poly(3-Hydroxyalkanoates) Using Pseudomonas Citronellolis DSM50332 and P. Putida KT2440 in Continuous Reactor Systems
(2011-12-20)In vivo production of medium-chain-length poly(3-hydroxyalkanoates) (MCL-PHA) containing a side chain carboxyl group from azelaic acid (AzA), a nine-carbon α,ω-dicarboxylic acid, was investigated using Pseudomonas citronellolis ... -
Production of Multi-Purpose Bio-Solid Feedstock for Oxidation in Cement Calciner using Microalgae
The concentration of carbon dioxide (CO2) in the atmosphere is rising and its impact (e.g. climate change) is established among the scientific community. Fuel switching in commercial sectors (e.g. cement plants) is one ... -
Properties and foaming behaviour of thermoplastic olefin blends based on linear and branched polypropylene
(2007-10-15)The recent commercial availability of branched polypropylenes (PPs) combined with the advent of single-site metallocene catalysts has ignited interest in thermoplastic polyolefin blends (TPOs) with controlled melt strength. ... -
Properties of Absorbent Polymer Extractants for the Selective Removal of Target Molecules from Fermentation Systems
(2014-01-21)This thesis investigated polymer properties for their application as extractants in two-phase partitioning bioreactors (TPPBs), which are intended to remove inhibitory fermentation products as they are produced. Three ... -
Protein-triggered Sustained Drug Release Controlled by Aptamers Bound to Oligomer-crosslinked Alginate
Sustained drug release systems provide many advantages over traditional delivery methods such as extending the time in which the drug is found to be within an effective concentration within the therapeutic window, which ... -
Pushing the Boundaries of Concentrated Dispersions, High Solids Content Bimodal Latex for Paper Coating Applications
(2012-08-07)New processes for the production of polymeric dispersions with high solids content and low viscosity were developed, investigated and characterized. The specifications required for the desired application of paper coating, ... -
Radical Copolymerization of Hydroxy-Functional Monomers
Solvent-borne acrylic resins are commonly used in automotive coatings formulations due to the superior characteristics they provide to the final products. Hydroxyl-functionality, incorporated by selection of 2-hydroxyethyl ... -
Radical Polymerization of Bio-Renewable Butyrolactone Monomers
In this study, a bio-derived monomer, -methyl--methylene--butyrolactone (MeMBL) was saponified with sodium hydroxide (NaOH) to make the water-soluble monomer sodium 4-hydroxy-4-methyl-2-methylene butanoate (SHMeMB), ... -
Radical-mediated modification of polyolefins: investigation of the synthesis of graft copolymers
(2008-05-08)A range of strategies exist for the production of polyolefin block copolymers with well-defined morphologies for the compatibilization of immiscible blends; however, high sensitivity to impurities and use of expensive ...