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 “"value-added product"”.
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Seaweed as a value-added product for the food and drink sector
… which reduce both the environmental impacts of production and have enhanced nutritional and therapeutic benefits. Seaweeds are a product that could help meet these needs. Seaweeds grow naturally without the need for freshwater and fertilisers and do not compete for traditional agricultural land. …
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Technical and economic viability of value added product recovery in the corn dry grind ethanol process
Although ethanol is the primary product of the corn dry grind ethanol process, other coproducts in the dry grind process also contribute to sustainability. However, low coproduct value is responsible for high dependence of plant profitability on ethanol revenue. Improving coproduct value and …
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Experimental and DFT study on selective oxidation of 5-Hydroxymethyl furfural over cadmium sulfide catalyst
… of biomass or biomass derived intermediate to value added chemicals is a way to reduce dependency on conventional fossil fuels. Oxidation of 5-hydroximethyl furfural (HMF) is considered one of the most important biomass conversions, which resulted into value added 2,5-diformylfuran (DFF), …
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Laboratory scale aerobic bioreactor conditioning of dairy processing wastewater as feedstock for Lemna minor production
… (P) from 7.2 – 650 mg/L, depending on the product stream. This resource has potential to be utilised for cultivation of Lemna minor as a value-added product, in line with EU circular economy principles. The purpose of this project was to condition dairy processing wastewater for downstream …
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Identifying the Economic Barriers to CLT Cost Estimation Among Building Construction Professionals
… and have significant economic potential as a new value-added product for the United States. However, market penetration has been obstructed by product affordability and lack of availability for use. Previous studies and projects have surveyed opinions of designers and contractors about the …
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The Role of Blackberry Grades and Fermentation Methods on Blackberry Kombucha Quality and Aroma Characteristics from Small-Scale Fermentation
… in innovative ways, like in a kombucha product, could help these growers reduce produce waste as well as increase their revenue. However, the production of kombucha, especially on the commercial scale, requires complex, expensive materials and equipment. Therefore, this study aims to …
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The Effect of Thermophilic Anaerobic Digestion on Ceftiofur and Antibiotic Resistant Gene Concentrations in Dairy Manure
… animals can cause negative effects on biomethane production during anaerobic digestion. Previous literature has found decreased biomethane production rates from a variety of antibiotics, but biogas inhibition differs between studies of continuous and batch reactors and the type of antibiotic …
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Steam Explosion Pretreatment of Cotton Gin Waste for Fuel Ethanol Production
… of cotton gin waste as a feedstock to produce a value-added product - fuel ethanol. Cotton gin waste consists of pieces of burs, stems, motes (immature seeds) and cotton fiber, and is considered to be a lignocellulosic material. The three main chemical constituents are cellulose, hemicellulose, …
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Feasibility of using Waste Heat as a power source to operate Microbial Electrolysis Cells towards Resource Recovery
… promising approach for wastewater treatment and value-added product generation, though it may not be sustainable in the long run, as it relies on fossil fuels to provide that additional energy. Thus, it is important to explore alternative renewable resources that can provide energy to power MEC. …
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Oil Palm Renewable Energy Businesses based on the Feed-in Tariff: Mapping Successful and Sustainable Business Models for Malaysia
… to capture Economic, Environmental and Social value for a wide range of stakeholders, and increase the deployment of oil palm renewable energy in the country. The research is conducted by adopting an Interpretivist Research Paradigm involving qualitative research using semi-structured …
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Sustainable management of tannery hair waste through composting
… to nitrogen ratio, indicated that the final product reached the following values: degree of humification (73 - 78%), humification ratio (26 - 32%), humification index (0.29 - 0.35), and a carbon to nitrogen ratio (25 - 29). The high level of humification of the end-product indicated …
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Investigating Acoustic Properties of Biocomposite from Waste Streams
… traditional, synthetic or petroleum carbon based products. The biocomposite, as studied herein, consists of a reinforcing biofibres with a matrix and binder (polymers and elastomers) and were formed using thermal compression moulding. All the materials were reclaimed, except for the virgin …
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Natural Kenaf Fiber Reinforced Composites as Engineered Structural Materials
… market would benefit from the introduction of a value-added product like natural fiber composites. The high rate of homeless and inadequately housed in Bangladesh, as well as in the US and throughout the rest of the world, could be somewhat alleviated if a new, affordable, and durable material …
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Selective C—H oxidations for complex molecule synthesis and diversification
… may be more rapidly transformed into final products. Nature has recognized the power of this approach and routinely oxidizes C—H bonds directly for the purpose of biosynthesis or metabolism. However, central to the application of C—H oxidation in the laboratory is the ability to not only …
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The Black Soldier Fly, Hermetia illucens Linnaeus (Diptera: Stratiomyidae): A Novel Approach to Combat Food Waste in Windsor-Essex.
… organic waste and conversion into valuable end products that could contribute economic benefits, the black soldier fly presents an opportunity to address this lack. The black soldier fly, Hermetia illucens Linnaeus (Diptera: Stratiomyidae) has the potential to reduce organic waste, including …
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Understanding Interfacial Kinetics of Catalytic Carbon Dioxide Transformations from Multiscale Simulations
… that cause CO2 emission. Current industrial production of chemicals accounts for 29% of total fossil fuels consumption, which can be the feedstock or raw materials for carbon source, or act as the fuel to generate heat and power. CO2 conversion technologies, e.g., thermo-catalytic reaction …
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Profiling studies of five Namibian indigenous seed oils obtained using three different extraction methods
… cosmetics and medicinal applications. Seed oil production from indigenous sources has economic importance for Namibia and is an asset for improving the livelihoods of local communities. Knowledge of the quality and composition of these oils can be used towards value-added product development …
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Optimisation of a linear flow channel reactor for semi-passive, simultaneous biological sulphate reduction and partial sulphide oxidation
… of the water stream to a fit-for-purpose water product, and recovery of the sulphur for use within fertilisers or fungicides. The work focused on the effective utilisation of electron donors and a sustainable option thereof, as well as the optimisation of partial sulphide oxidation and sulphur …
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Investigation of alternative carbon sources for the biological treatment of synthetic sulphate-laden water and mine impacted water in a linear flow channel reactor
… touching on waste valorisation as sulphur is a value-added product. However, BSR systems require supplementation with organic carbon and are characterised as slow, while partial oxidation of sulphide is difficult to control in many reactor systems; these are key drawbacks in the economic …
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A novel semi-passive process for sulphate removal and elemental sulphur recovery centred on a hybrid linear flow channel reactor
… and bicarbonate. However, the hydrogen sulphide product generated is highly toxic, unstable, easily re-oxidised and poses a significant threat to the environment and human health, so requires appropriate management. An attractive strategy is the reduction of sulphate to sulphide, followed by its …