School of Chemical and Biomolecular Engineering Theses and Dissertations
In partial fulfillment of the requirements for a graduate degree in the School of Chemical and Biomolecular Engineering.
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Recent Submissions
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Molecular-level organization of coassembled β-sheet peptide nanofibers
(Georgia Institute of Technology, 2020-04-27)Functional biomaterials that recapitulate the complexity and sophistication of biological systems can be difficult to access given current techniques. One promising route towards building biomaterials with controlled ... -
A DATABASE OF 2D ZEOLITE NANOSHEETS: DEVELOPMENT AND APPLICATIONS
(Georgia Institute of Technology, 2020-04-24)Distillation is a widespread but energy intensive method to separate chemical mixtures. Alternatives to distillation include membrane and adsorption based separations. Zeolites are used in such capacity because they are ... -
Metal-Organic Framework Adsorbents and Processes for Separation of Biomass-Derived Furanic Molecules
(Georgia Institute of Technology, 2020-04-23)Furanics are important “platform chemical” precursors to polymers, pharmaceuticals, and fine chemicals, and can also be used as biofuels. In the production of 2,5-dimethylfuran (DMF), the catalytic conversion of the biomass ... -
Elucidation of deactivation mechanisms of zeolites used in petroleum and biomass upgrading processes
(Georgia Institute of Technology, 2020-04-25)Zeolites have been identified and utilized as excellent heterogeneous catalysts in a variety of processes involving the upgrading of biomass and fossil-fuel feedstocks. However, the deactivation of zeolites has been observed ... -
Hydrogen Sulfide Capture Using Amine Modified Mesoporous Oxides
(Georgia Institute of Technology, 2020-04-09)Hydrogen Sulfide (H2S) is a pollutant that is odorous, poisonous and corrosive. It is a common contaminant in effluents associated with many industrial processes, including natural gas and biogas upgrading. Liquid phase ... -
ETHYLENE/ETHANE SEPARATION IN METAL-ORGANIC FRAMEWORK BY COMPUTATIONAL MODELING
(Georgia Institute of Technology, 2020-03-26)Metal-organic frameworks (MOFs) with open metal sites (OMS) are known to have selectivity in olefin/paraffin separations because of π-π interactions between olefin double bonds and OMS. This dissertation utilized computational ... -
Applications of chitin and cellulose based materials as sustainable plastics
(Georgia Institute of Technology, 2020-03-20)Plastics waste is a land management and logistical problem, with difficulties in recycling packaging being of particular concern. A composite barrier material was developed by spray coating chitin nanofibers (ChNFs) and ... -
Microfluidic-based Tools and Methods for Complex Chemosensory-based Behavioral Studies in C. elegans
(Georgia Institute of Technology, 2020-01-10)There is a great interest in studying behavior and the underlying biological basis for behaviors in small model organisms. Some properties of C. elegans that greatly facilitate genetic investigations are its small size, ... -
REACTIVITY AND MECHANISM OF CATALYTIC METHANE CONVERSION OVER CERIA-ZIRCONIA SUPPORTED METAL/METAL OXIDE CATALYSTS
(Georgia Institute of Technology, 2021-05-04)Methane, the major component of natural gas, is vastly available on Earth, but is not used effectively. Methane conversion using heterogeneous catalysts, such as CZ supported metal/metal oxide materials, provides a promising ... -
Interfacing systems and synthetic biology for advancements in bacterial biosensor engineering
(Georgia Institute of Technology, 2021-04-28)Current detection platforms ranging from clinical diagnostics to environmental pollutant monitoring often require a time-intensive sample analysis process involving expensive equipment and highly-trained staff. This has ... -
DESIGN OF HIGH-YIELDING NON-ENZYMATIC DNA AND RNA LIGATION SYSTEMS
(Georgia Institute of Technology, 2021-04-22)The demonstration of enzyme-free replication of nucleic acids, in particular RNA, will lend credence to the RNA world hypothesis which states that RNA was the first polymer on the prebiotic earth. One major challenge that ... -
Rheological Characterization of Cellulose Nanomaterials for Quality Control and Processing
(Georgia Institute of Technology, 2021-03-10)Cellulose nanomaterials (CNM), have emerged as promising sustainable materials that are produced from renewable sources, such as wood and plant materials. The uniquely high strength and low density of CNM make them promising ... -
Engineering High-Efficiency Adsorption Contactors via 3D Printing of Microporous Polymers
(Georgia Institute of Technology, 2019-12-10)Adsorption is a promising energy-efficient separation process, which selectively removes one or several components from a mixture by transporting a fluid through a mass transfer contactor. The most traditional mass transfer ... -
CARBON MOLECULAR SIEVE MEMBRANES FOR XYLENE ISOMER SEPARATIONS
(Georgia Institute of Technology, 2020-03-13)The purification of benzene derivatives, particularly xylene isomers, is one of the most important organic mixture separations practiced in industry. The separation of xylene isomers is especially challenging due to the ... -
Understanding and Improving Zinc Anodes for High-Energy Rechargeable Alkaline Batteries
(Georgia Institute of Technology, 2020-10-12)Batteries with aqueous electrolytes generally feature better intrinsic safety, higher ionic conductivity and lower cost compared with flammable organic electrolytes. Metallic zinc as a rechargeable anode material for aqueous ... -
Estimating Parameters for a Doyle Fuller Newman Model of a Graphite Half Cell Battery
(Georgia Institute of Technology, 2020-07-27)Electrochemical research involves the modeling of electrochemical systems using various types of models. Models use adjustable parameters to be able to fit experimental data. Parameters of physics-based models are actual ... -
Advanced Convex Relaxations for Nonconvex Stochastic Programs and AC Optimal Power Flow
(Georgia Institute of Technology, 2020-12-06)Mathematical optimization problems arise in nearly all areas of engineering design, operations, and control. However, optimization models of practical interest are often nonconvex, large-scale, and uncertain. All of these ... -
Channel engineering of hydroxide ion exchange polymers for electrochemical devices
(Georgia Institute of Technology, 2020-12-06)Anion exchange membrane (AEM) fuel cells and electrolyzers are of interest because they have potential advantages over their acidic counterparts for the production and storage of renewable energy. AEM devices operate under ... -
Mass Transport and Durability of Proton-Exchange-Membrane Fuel Cell Electrodes
(Georgia Institute of Technology, 2020-11-03)Large transport resistances at high current densities hinder the proton-exchange-membrane fuel cells from reaching performance-cost-durability targets set by the U.S. Department of Energy (DOE). In this dissertation, the ... -
Thermally Modulated Fiber Sorbents for Rapidly Cycled Vacuum-Pressure Swing Adsorption of Post-Combustion Flue Gas
(Georgia Institute of Technology, 2020-11-04)Thermally Modulated Fiber Sorbents for Rapidly Cycled Vacuum Pressure Swing Adsorption of Post Combustion Flue Gas Stephen J.A. DeWitt 339 Pages Directed by Dr. Ryan P. Lively The continued rise in the concentration ...
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