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 20 for “"biomass utilization"”.
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Design and evaluation of biomass utilization systems
… and evaluates systems to utilize two problematic biomass sources, hurricane debris and invasive water hyacinth, and turn costly cleanup efforts into opportunities for biofuel conversion systems. A novel solution is proposed for each biomass source and techno-economic models accounting for …
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Evaluation of wood biomass utilization for the greenhouse industry in British Columbia
… industry is considering the use of wood biomass, mainly wood pellets and wood residue, to decrease the natural gas demand. However, the long-term economic value, the air quality emission, and the long-term resource availability are the main barriers for the industry to convert into wood …
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Metabolic engineering of yeast strains for renewable biomass utilization and valuable chemical production
… utilizing various sugars derived from renewable biomass and produce valuable chemicals. Sugars derived from lignocellulosic biomass, mainly cellobiose and xylose, cannot be assimilated by the industrial microorganisms, such as yeast Saccharomyces cerevisiae. To utilize cellobiose or xylose for …
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The use of roll-off bins and a hook-lift equipped harwarder and truck for forest biomass utilization
Extracting slash for utilization has long been a challenge for forest managers. Issues of accessibility and costs generally prevent biomass utilization. The traditional slash treatment is to pile and subsequently burn slash when environmental conditions allow. A harvesting system consisting of …
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The use of roll-off bins and a hook-lift equipped harwarder and truck for forest biomass utilization
Extracting slash for utilization has long been a challenge for forest managers. Issues of accessibility and costs generally prevent biomass utilization. The traditional slash treatment is to pile and subsequently burn slash when environmental conditions allow. A harvesting system consisting of …
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Investigating the role of reactor design to maximise the environmental benefit of algal oil for biodiesel
… been seen to improve the overallefficiency of biomass utilization in biofuel systems, contributing to both economic success and environmental sustainability and is of interest for microalgal biodiesel production
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Evaluation of the Brazilian potential for producing aviation biofuels through consolidated routes
… of resources and a vast experience in biomass utilization for biofuels production. In this sense, this dissertation presents a case study for assessing the potential of biojet fuel production in Brazil. To this end, some indicators as feedstock availability, environmental performance …
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Pathway optimization and engineering for biofuel production
… One such significant pathway is the cellobiose utilization pathway, identified as a promising route for efficient biomass utilization. Here we describe the simultaneous optimization of the β-glucosidase (gh1-1) and the cellodextrin transporter (cdt-1) through directed evolution of the pathway. …
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Operational characteristics, erosion potential, and implementation of forestry best management practices on biomass harvesting operations
Utilization of woody biomass for energy is expected to increase rapidly and logging residues are a likely feedstock to meet increased demands. Potentials for increased biomass utilization have created concerns regarding possible impacts of using logging residues for energy. The overall goals of …
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Advancing characterization techniques for structure-property determination of in-situ lignocelluloses
… tools to understand and optimize lignocellulosic biomass utilization. In an effort to advance lignocellulose characterization, gain insights into biomass processing, and obtain novel perspectives on cell wall ultrastructure, this study utilizes three principal polymer characterization techniques, …
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Utilization of Biomass Derived Furans in Value-Added Organics and Heterogeneous Oxorhenium Catalysts for Deoxydehydration of Diols
… a growing focus on renewable chemicals based on biomass materials, including both fuels and chemical feedstocks. Current methods for biomass utilization include biological conversion to produce ethanol and various thermochemical routes (gasification, pyrolysis, liquefaction, hydrothermal …
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Characterization of Extremophilic Bacteria for Potential in the Biofuel and Bioprocess Industries
… traits (e.g. hydrolysis of lignocellulosic biomass, utilization of hydrolysis products, and tolerance to inhibitory compounds released during hydrolysis). The phylogeny for this library was used to identify and prioritize a diverse subsample of the library (n=207) for high-throughput screens …
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A COMPARATIVE FINANCIAL ANALYSIS OF FAST PYROLYSIS PLANTS IN SOUTHWEST OREGON
… a renewable energy source. Pyrolysis of forest biomass is one method that shows promise, though the financial feasibility of doing so has not been previously investigated. This study presents the expected financial performance of a mobile and a fixed pyrolysis plant in southwest Oregon, where …
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A COMPARATIVE FINANCIAL ANALYSIS OF FAST PYROLYSIS PLANTS IN SOUTHWEST OREGON
… a renewable energy source. Pyrolysis of forest biomass is one method that shows promise, though the financial feasibility of doing so has not been previously investigated. This study presents the expected financial performance of a mobile and a fixed pyrolysis plant in southwest Oregon, where …
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Comparative systems analysis of thermochemical and biochemical recycling of organic waste towards industrial feedstocks
… strategies towards sustainable development. The utilization of biomass for the production of fuels and materials has been proposed as an alternative to the petroleum-based industry. Current research and policy initiatives focus mainly on the utilization of lignocellulose biomass, originating from …
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Torrefaction and Steam Explosion of Selected Biomass for Biofuel Production
Lignocellulosic biomass has demonstrated great potential as feedstock for pellet production, notwithstanding the fact that the industrial production of pellet is faced with some economic challenges. Pretreatment research has been focused on identifying, evaluating, developing, and demonstrating …
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Biomass gasification in small scale plants: experimental and modelling analysis
The technologies for the use of biomass as an energy source are not always environmental friendly process: wood combustion, for example, can be a rather a dirty process that causes the release in air of several dangerous compounds. For those reasons it is important to develop approaches aimed at …
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Fast microwave-assisted thermochemical conversion of biomass for biofuel production
… renewable energy sources. In this respect, biomass provides a carbon-neutral and sustainable solution. Pyrolysis and gasification belong to thermochemical processes which are currently the most appropriate and widely used among all the biomass utilization technologies. Microwave irradiation …
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The Prevalence and Operational Feasibility of Utilizing Pre-commercially Thinned Pine as a Woody Biomass Energy Source
… for forest products. Increased demand for woody biomass energy may provide landowners and harvesting contractors an opportunity to utilize PCT residues as a woody biomass energy feedstock, which may wholly or partially offset PCT costs. However, little information is available regarding …