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 78 for “"value-added products"”.
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Engineering microorganisms for synthesizing value-added products
… overall goal of my thesis research is to produce value-added products using engineered microorganisms. Recent developments in metabolic engineering have allowed us to improve endogenous metabolic pathways or introduce heterologous metabolic pathways into microorganisms so that the engineered …
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Sustainably Generating Value-Added Products Using Food-Grade Fungi & Agricultural Waste
… are limited and provide little to negative value for producers. Many edible specialty mushrooms degrade plant material as their preferred food source, and for some varieties their cultivation on agricultural waste has been well-documented. This presents an opportunity to farmers in Georgia, …
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Developing market-oriented and value-added products for Irish seafood SMEs
… the development by SMEs, of more sustainable and value-added, new seafood product concepts. Including products with unfamiliar ingredients, this process aims to increase consumer acceptance. The methodology employed was both qualitative and quantitative. Interviews with seafood SMEs and focus …
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Engineering Zymomonas mobilis for the production of biofuels and other value-added products
Zymomonas mobilis is a promising organism for lignocellulosic biofuel production as it can efficiently produce ethanol from simple sugars using unique metabolic pathways. Z. mobilis displays what is known as the “uncoupled growth” phenomenon, meaning cells will rapidly convert sugars to ethanol …
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Sustainable methodologies to transform non-metallic printed circuit boards waste into value-added products
… are dismantled and reused for its material value, however non-metallic elements are left untreated because of its complex amalgamation. This unprocessed non-metallic waste PCB is either incinerated or landfilled leaving all the toxic elements. These toxic elements release obnoxious gases …
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Structural and biochemical studies of enzymes involved in the biosynthesis of value-added products
The student, Nektaria Petronikolou, submitted this Dissertation for approval on 2018-02-16 at 18:00.
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Preliminary Examination of Factors Affecting Manufacture of Value Added Products From Recycled Pallet Parts
… still go into landfills with little or no value gained from their material. Recovered pallet lumber has been proposed as a potential source of material for value added wood products. This study sought preliminary data on issues pertinent to the development of pallet parts as a source of raw …
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Thermochemical conversion of high-density polyethylene (HDPE) to value-added products using cobalt-based catalysts
… inert atmosphere to convert HDPE into valuable products, such as wax, oil, gas, and char. The current thesis explores the utilization of cobalt-based catalysts in the HDPE pyrolysis. The study investigates the effects of cobalt loadings in Co3O4/Al2O3 catalysts and reveals that an increase in …
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Isolation of bacterial strains capable of efficient conversion of n-alkanes into value added products
Bacteria that are capable of degrading alkane fractions, C12-C13 and C14-C17, were isolated from oil-contaminated soil collected from the petrochemical company, CALTEX Refineries, South Africa. A total of twenty-three environmental strains were isolated. A preliminary procedure, Nile Blue A …
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A system analysis of converting non-recyclable plastic waste into value-added products in a paper industry cluster
… during the pulping process. Because of its low value in recycling markets, the plastic waste is currently being burned as a substitute fuel for biomass in meeting the steam generation needs in paper production. Though incineration of plastic along with other solid waste for energy recovery is a …
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Robust Nickel Catalysts Supported By Biaryl-Bridged Pyridyl-N-Heterocyclic Carbenes For Carbon Dioxide Reduction To Value-Added Products
… C1 feedstock for conversion to solar fuels and value-added chemicals. However, CO2 is relatively inert and very negative voltages or strong chemical reductants are comfor its conversion. An additional challenge lies in achieving these reactions in water where aqueous protons are utilized …
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Improving the Environmental and Economic Sustainability of Dairy Farming using Value-Added Products derived from the Anaerobic Digestion of Manure
… of this study was to examine how manure-derived value-added products via anaerobic digestion impact the environment and economics of dairy farming. An on-farm anaerobic digester (AD) at Virginia dairy was used in this study. The AD performance evaluated for: (i) biogas production (ii) waste …
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Techno-Economic Feasibility of Distributed Torrefaction Systems Using Corn Stover Feedstock
… systems using corn stover feedstock to generate value-‐added products. Distributed torrefaction systems have the potential to operate on private agricultural enterprises as well as community-‐scale processing facilities, similar in scale to local grain elevators. Distributed systems will thus, …
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A process investigation of the biosolubilisation of low rank coal in slurry system
… a clean, cost-effective energy source or to value-added products. This can lead to increased utilisation of low-rank coal. Low-rank coal is currently under-utilised because of its low calorific value, high moisture and sulphur content. Most research on coal biosolubilisation has centred on …
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Production of biodegradable poly lactic acid from pineapple industry wastewater by lactobacillus casei fermentation
… such as glucose and fructose. The by-products effluent can be a substrate for production of value-added products by microbial fermentation such as biomaterial. However, investigation on the bioconversion of pineapple wastewater to value-added products is still lacking. The objective of …
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Catalytic conversion of methane to partially oxidized products over copper-exchanged zeolites
… economically directly convert methane to liquid products in small-scale units to exploit highly abundant but difficult-to-access gas reserves. Our group recently reported the first instance of a continuous, gas phase catalytic process for the direct conversion of methane to methanol using …
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Implications of restructuring and privatisation for competitiveness and perfomance:two Brazilian steel companies
… the management and technological capabilities, products and performance of the two companies, and these have largely influenced the effects of privatisation on each company. Company Alpha's strengths in technological and management capabilities and high value added products explain strong …
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Precision fermentation for enhanced production of food ingredients, fermented foods, and chemicals
… microbial hosts as cell factories to produce value-added products, such as biofuels and biochemicals. This approach has the potential to transform the food industry by providing an efficient and cost-effective method for producing food ingredients and fermented foods while addressing the …
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Copper-based nanostructured catalysts for efficient and selective CO2 electroreduction – synthesis, catalytic performance, and mechanistic analysis
… is a promising alternative to convert CO2 into value-added products, and has the potential to contribute to a carbon-neutral energy cycle by using surplus electricity generated from renewable sources (e.g., solar and wind). Among various materials, copper-based catalysts are most studied, given …
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