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 14 of 14 for “"Biorenewable"”.
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Biorenewable polymer thermoplastic biocomposites
<p>Biorenewable fillers have recently gained a greater focus in research to produce composites because of their unique properties, abundance, and diversity. These biorenewable fillers can include various terrestrial based plants naturally grown throughout the world. The focus of this work was on …
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Tools for improving and understanding microbial performance in biorenewable applications
<p>The production of biorenewable fuels and chemicals is attractive because biomass is diverse, cheap, and abundant. Chemicals and fuels derived from renewable feedstocks can contribute to mitigation of climate change and improved rural economies. To compete with the petroleum industry, the …
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Hydrothermally stable heterogeneous catalysts for biorenewable-derived molecule conversions to chemicals
<p>The biorenewables filed seeks to emulate the petroleum model for chemical production; from a select few chemicals a plethora of products are produced. This emulation of the modern petroleum refinery-henceforth called the biorefinery-would allow greater penetration of biorenewable feedstocks into …
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Fully-renewable and degradable thermoplastic elastomers.
… polymers through the investigation of completely-biorenewable thermoplastic elastomers. Polymenthide (PM), a soft biorenewable polymer derived from (-)-menthol, is immiscible with PLA and was utilized as the middle block in a PLA-containing ABA triblock copolymer. Tensile measurements demonstrated …
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Carbon Coating for Improved Hydrothermal Stability of Silica Supports
… alternative ways to produce these chemicals from biorenewable feedstocks. The move from the current petroleum-based chemical industry to a biorenewable chemical industry will build on a current platform chemical approach, where a small number of key chemical intermediates produced from …
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Selective dehydration of polyols over solid acids and metal-acid bifunctional catalysts: Towards a catalytic toolbox for rational catalyst design
<p>Interest in biorenewable alternatives to existing petrochemicals has lead to increased interest in catalytic means of upgrading sugar-derived molecules into useful commodities. While some biorenewable chemicals aim to break into the existing market as a new product (polylactic acid, or PLA, is …
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Elucidating mechanisms of toxicity and engineering Escherichia coli for tolerance of short chain fatty acids
… Therefore, a new method of synthesis for biorenewable and sustainable chemicals is needed. In this treatise, significant advancement in the production of short chain carboxylic acids during bacterial fermentation is described. This work offers new insights into carboxylic acid toxicity and …
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The Investigation of the Low Temperature Combustion of Mesitylene and Tert-Amyl Methyl Ether by Synchrotron Photoionization Mass Spectrometry
… its combustion is described in Chapter 4. Semi-biorenewable tert-amyl methyl ether (TAME) is studied in Chapter 5. Thermodynamic calculations, proposed mechanism, product identification and branching fractions are included in the analysis of the combustion of all these molecules.</p>
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Intensified biocatalysis for production of fuel and chemicals from lipids.
Triglycerides are abundant biorenewable resources found in vegetable oils and fats. The effective utilization of triglycerides is one of the key interests in developing renewable fuels and products. However, triglycerides are difficult and inefficient to be used as fuels directly in regular …
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Tunable organization of cellulose nanocrystals for controlled thermal and optical response
<p>The biorenewable nature of cellulose nanocrystals (CNCs) has opened up new opportunities for cost-effective, sustainable materials design. By taking advantage of their distinctive structural properties and self-assembly, promising applications have started to nurture the fields of flexible …
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Vanadium-Catalyzed Aerobic Oxidation of Diols and Lignin Models/Extracts
… materials are required to fulfill the needs for biorenewable feedstocks. Such processes are likely to include selective oxidation catalysis. The aim of this Thesis is to advance the state-of-the-art for the oxidation of lignin models and lignin extracts using homogeneous catalysts based on …
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Modeling the Hydrodynamics of a Fluidized Bed
Biomass is considered a biorenewable alternative energy resource that can potentially reduce the use of natural gas and provide low cost power production or process heating needs. Biomass hydrodynamics in a fluidized bed are extremely important to industries that are using biomass material in …