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 211 for “"Lignocellulosic"”.
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Nanocomposite-based Lignocellulosic Fibers
… a non-covalent surface modification method for lignocellulosic fiber. Nanocomposite-based lignocellulosic fibers were successfully fabricated by sequential adsorption of oppositely charged poly(diallydimethylammonium) chloride (PDDA) and clay nanoparticles in a number of repeated deposition …
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Pretreatment and enzymatic hydrolysis of lignocellulosic materials
… aims to increase the efficiency of utilizing lignocellulosic materials, which have great potential as future energy and chemical feed stocks, and may finally substitute the diminishing hydrocarbon resources. This work involved two main parts: (a) comparison of efficiency of different …
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Switchable butadiene sulfone pretreatment of lignocellulosic biomass
Biofuels and chemicals from lignocellulosic biomass are a renewable and sustainable alternative to traditional fossil fuel sources. However, the reality of commercial lignocellulosic biofuels depends on feasibly overcoming the recalcitrance of the biomass plant cell wall, which consists of lignin …
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Assessment of alternative uses for lignocellulosic waste products
Abstract included in script.
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Engineering industrial yeast strains for lignocellulosic ethanol production
This Dissertation was approved for publication on 2016-12-01 at 15:08.
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Additive Manufacturing of lignocellulosic composites for riverine resilience
Composites made of plant residues from agricultural and forestry productions offer unique environmental, health, and socioeconomic benefits as construction materials. However, controlling the porosity and surface conditions of building enclosures crucial to preventing moisture and deterioration …
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Microwave processing of lignocellulosic biomass for production of fuels
… efficient microwave technology to transform lignocellulosic biomass into solid and liquid fuels suitable for application in coal burning power plants or upgrading into transportation fuels. Current thermochemical biofuel production (e.g. pyrolysis and gasification) suffer many drawbacks such …
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Thermo-Chemical Conversion of Lignocellulosic Biomass to Liquid Biofuels
… out the study of thermo-chemical conversion of lignocellulosic biomass to raw bio-oil. This reactor converted biomass to bio-oil at a rate of 1 to 2 kilograms per hour. Corn stover and pine sawdust were the feedstocks used for this study. The bio-oil produced was also characterized. Bio-oil …
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Catalytic Conversion of Lignocellulosic Biomass to Carboxylic Acids and Derivatives
… biofuels and biobased chemicals, from various lignocellulosic biomass types using recyclable heterogeneous catalysts in water and/or alcohol solutions. In this process, wet lignocellulosic biomass is pre-treated by low-temperature partial oxidation that selectively converts lignin to carboxylic …
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Lignocellulosic Bio Fuel Production In Iceland, A System Dynamics Approach.
Iceland is an island with a lot of energy potential in the form of hydro- and geother- mal energy. But still there is enormous amount of fossil fuel imports each year. This posses an enormous economic problem for Iceland as fossil fuels are non renewable and will eventually run out. The paper …
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Bioconversion of lignocellulosic hydrolysate to acetic acid using Moorella thermoacetica
A systematic study of bioconversion of lignocellulosic sugars to acetic acid by Moorella thermoacetica strain ATCC 39073 was conducted. Four different hydrolysates obtained after steam pretreatment of lignocellulosic biomass were selected and fermented to acetic acid in batch fermentations. The …
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Supercritical water gasification of lignocellulosic biomass materials for hydrogen production
… into five phases. In the phase one, model lignocellulosic biomass comprising of cellulose, hemicellulose and lignin were selected as the feedstock for SCWG process optimization. The objective of the study was to optimize the process conditions, propose a detailed reaction pathway for model …
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Partial Upgrading of Lignocellulosic Bio-Oil via Deep Catalytic Hydrotreating
According to the International Energy Agency, bioenergy accounts for one-tenth of the world's total primary energy supply and biofuel production is forecasted to increase 25% by 2024. The bio-oil is composed of a complex mixture of oxygenated compounds with a relatively high concentration of water. …
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Improving the bioconversion of lignocellulosic feedstock to bio-fuels and chemicals
This study investigated the fate of lignocellulosic biomass (wheat-feed and perennial rye grass) in different anaerobic digestion systems, evaluating the role of substrate specificity on the pattern of degradation. The two-stage (biohydrogen-biomethane) anaerobic system was found to be more …
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Engineering Zymomonas mobilis for efficient fuel ethanol production from lignocellulosic feedstocks
… the commercial production of fuel ethanol from lignocellulosic feedstocks due to its high ethanol productivity. Z. mobilis has been engineered to ferment all of the sugars present in cellulosic biomass, but the digestion of five carbon sugars by the strain is still slow and inefficient. The …
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Lignocellulosic fermentation of Saccharomyces cerevisiae to produce medium chain fatty alcohols
… and require nutrient-rich soils. The use of lignocellulosic feedstocks is preferred to combat this issue, however these feedstocks present their own unique challenges. Pretreatment is required to release fermentable sugars, and this process also results in various fermentation inhibitors …
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Deep Eutectic Solvents Synthesis, Characterization and Applications in Pretreatment of Lignocellulosic Biomass
… optimized to selectively extract lignin from lignocellulosic biomass. The DESs extracted up to 80% of the lignin from PCG and SWG biomass was achieved. The extracted lignin was confirmed by FTIR and 1H NMR spectroscopy studies. A new source of DESs-extracted lignin was produced because the …
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The Termite Digestome: Understanding the Digestive Physiology Involved in Lignocellulosic Biomass Degradation
… biocatalysts that can aid in the degradation of lignocellulosic biomass. Various protein characterization and gene expression methods were used throughout this research in order to accomplish these objectives. The results of this dissertation indicate that: 1) termites and their symbionts act in …
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