Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"Other Chemical Engineering"”.
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Molecular-Level Understanding of Ionic & Electronic Charge Storage Mechanisms in Rechargeable Aluminum Batteries Using Sold-State NMR
… host structures with the help of electrochemical measurements, NMR, and other characterization techniques.</p> <p>Solid-state nuclear magnetic resonance (ssNMR) spectroscopy yields atomic-scale understanding of local environments, structures and dynamics, properties that are intrinsically …
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Ionic Liquids Tethered to Activated Carbon for Capture of Airborne Toxins
<p>Ionic liquids (ILs) were investigated for functionalization of activated carbon (AC) adsorbents for the filtration of warfare toxins. Preliminary steps were taken by testing absorption capacity of neat ILs and tethering ionic liquids to the surface of AC. AC is known to have good adsorption …
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Production of Ethanol from Cereal Food Fines using Dilute-Acid Hydrolysis
… to the feedstock to facilitate the breaking of chemical bonds. This study investigates the effect of different concentrations of acid to determine optimal conditions for the production of ethanol. It was found that higher concentrations of acid yielded greater production of ethanol and, overall, …
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Bimetallic Catalyst for Lignin Depolymerization
… to considerable research on producing fuels and chemicals from feedstocks other than petroleum. Lignocellulosic biomass represents an abundant and renewable resource that could displace petroleum feedstock producing biofuels and multiple valuable chemical products with reduced greenhouse gas …
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Acetate-based Electrolytes for Aqueous Zinc-ion Batteries: An Investigation of the Zinc Anode
… deployment is limited by water’s narrow electrochemical stability window, parasitic gas evolution, and poor Zn utilization in conventional alkaline electrolytes. This dissertation investigates acetate-based aqueous electrolytes—both highly concentrated “water-in-salt” (WiSE) formulations and …
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Designing Particle Tracking Software for a Theoretical Understanding of Magnetic Janus Particle Aggregation
… for studying the physical properties of other non-reversible, discrete assembly processes, such as cell phagocytosis and aerial images of crowd movements.</p>
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Electrochemical properties of crystalline polymorphs of MnO2 in aluminum and zinc metal batteries
… like global warming and climate change. Electrochemical energy storage can enable the integration of renewable energy sources that are inherently intermittent (solar, wind, etc.) into the electric grid, though major advances in cost, cycle life, and safety are necessary to have a global impact …
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Field Amplified Sample Stacking on Amyloid Beta (1-42) Oligomers using Capillary Electrophoresis
<p>According to recent literature, it is believed that the oligomeric form of amyloid beta (Aβ) is the leading cause of Alzheimer’s disease (1; 8; 10; 12-18). Additionally, recent studies have eluded to the impact of Alzheimer’s disease (AD) both economically and Socially in today’s society where …
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Investigation of the Synthesis and Optoelectronic Properties of Ultrasmall CdSe Quantum Dots
… the formation of NOM was derived, in addition to chemical analysis via infrared (IR) spectroscopy and structural analysis of NOM via solution state nuclear magnetic resonance (NMR) spectroscopy. Importantly, this contribution to the kinetics of an open-air, low-temperature, single-size synthesis …
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Nanofiltration Rejection of Contaminants of Emerging Concern from Municipal Water Resource Recovery Facility Secondary Effluents for Potable Reuse Applications
<p>As reuse of municipal water resource recovery facility (WRRF) effluent becomes vital to augment diminishing fresh drinking water resources, concern exists that conventional barriers may prove deficient and the upcycling of contaminants of emerging concern (CECs) could prove harmful to human …
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Novel Separation Methods using Electrodialysis/Electrodeionization for Product Recovery and Power Generation
… a vital technique for the past 50 years in the chemical industry. Originally used for demineralization and desalination, electrodialysis and its counterparts have expanded to assist in product purification, waste and hazard removal, and power generation. This research focused on the development …
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Molecular to Macroscopic Understanding of Chloroaluminate Anion Intercalation in Rechargeable Aluminum-Graphite Batteries
… in part due to the challenges of electrochemically intercalating highly charged Al<sup>3+</sup> cations. Recently, graphite has been demonstrated as a promising positive electrode material in non-aqueous rechargeable aluminum batteries, which store charge when monovalent chloroaluminate …
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Swelling-Etching Characterization of Copper (I) Oxide - PDMS for the Development of Micro/Nano - Particles Composite MEMS Corrosion Sensor
<p>The primary objective for this thesis is to contribute to the understanding of the oxide removal process for a corrosion sensing device. The goal for designing such a device is for monitoring corrosion on metallic structures. The sensing material (6.35mm x 1mm discs) of the device is composed of …
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Effect of Aerogel on the Thermal Performance of Corrugated Composite Sandwich Structures
<p>Current insulation solutions across multiple industries, especially the commercial sector, can be bulky and ineffective when considering their volume. Aerogels are excellent insulators, exhibiting low thermal conductivities and low densities with a porosity of around 95%. Such characteristics …
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Investigation of Reactions Occurring in Municipal Solid Waste Residues
<p>Each year more than 290 million tons of municipal solid waste (MSW) is generated in the U.S. Understanding the reactions occurring in waste during disposal, transport, and storage is important to move towards an integrated waste management strategy. Recently some landfills in the U.S. have been …
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Enzymatically active microspheres for self-propelled colloidal engines
<p>Micro- and nano-motors have attracted numerous attentions from various scientific areas due to their potential applications. Most studies on self-propelled colloidal engines have exploited catalytic decomposition of hydrogen peroxide to drive the motor. Since the hydrogen peroxide is caustic, it …
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Eicosapentaenoic Acid (EPA) from Porphyridium Cruentum: Increasing Growth and Productivity of the Microalgae for Pharmaceutical Products
<p>One of the major nutritional requirements in our diet is an adequate intake of omega-3 specially eicosapentaenoic acid (EPA). In the present study, the effects of two temperatures (16°C & 20˚C) and light intensities (140 & 180µE/M2.S) and four nitrate levels (0.075, 0.3, 0.5 and 0.7g/L) on the …
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Molecular Design Of Lanthanide Binding Tag Peptides For Nanoparticle Assisted Interfacial Separation Of Rare Earth Elements
… technologies owing to their unique luminescent, chemical, and magnetic properties. They play a central role in sustainable technologies such as batteries, wind turbines, and electric vehicles, while their chemical versatility underpins advanced display systems, high-performance magnets, and …
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