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.
Results
Showing 1 to 20 of 23 for “"techno-economic assessment"”.
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Multi-Band Optical Networks Capacity, Energy, and Techno-Economic Assessment
L'abstract è presente nell'allegato / the abstract is in the attachment
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Techno-Economic Assessment of Electrolytic Hydrogen Production under Dynamic Operations
… pathways for green hydrogen. This study uses a techno-economic optimization model that combines a high-level electrolyzer model and a cost model to evaluate the current (2021) and future (2040) economics of running a PEM electrolyzer under various operating conditions, including dynamic …
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SUSTAINABLE DEVELOPMENT OF REGIONAL BIOGAS PRODUCTION: Gis-based Techno Economic Assessment In Southern Italy
… dedicate che implicano la nascita di problemi economici, sociali e soprattutto ambientali, legati alla competizione dei prodotti food-no food. Di recente è stato sviluppato un nuovo concetto per la produzione di biogas, noto nell ambito della letteratura di settore con il nome di …
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Techno-economic assessment of jet fuel naphthalene removal to reduce non-volatile particulate matter emissions
… to meet specification. This study evaluates the economic feasibility of jet fuel naphthalene removal (via hydro-treatment or extractive distillation). We develop a stochastic discounted cash flow model based on the retrofit of existing US refineries with naphthalene removal systems, and compute …
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Environmental and economic characteristics of electrofuel production pathways
… climate impact. In this work, I assess the economic and environmental characteristics of four technology pathways for electrofuel production, using the methods of life cycle analysis and techno- economic assessment. In addition, the analysis includes a number of scenarios in which the …
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Implementation of Acid/Gas Digestion Approach to Maximize Volatile Fatty Acids Production from Municipal Sludge and a Techno-economic Feasibility Study
… the two-phase digesters was used to conduct a techno-economic assessment for NYC’s Wards Island WRRF as a case study. The cost-benefits of the two-phase technology were compared to that of thermal hydrolysis pretreatment (THP) coupled single-phase anaerobic digestion technology, a comparable …
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Analytical Graphical Approach for Predicting Ground Conditions in TBM-based Tunneling Construction
… these ground classes, which are demonstrated. A techno-economic assessment of the current use of AI/ML tools for geology prediction in TBM-based tunneling construction, is also presented, analyzing both the potential and shortcomings of the technology. For the purpose of the study, the Porto …
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Advanced Energy Management Strategies for Multi-Energy Community Microgrids
… the operational cost of MECMGs. Initially, a techno-economic assessment was conducted, focusing on a grid-connected microgrid for regional Australian communities and analyzing various configurations of solar, wind, diesel, battery storage, and grid interconnection. Sensitivity analysis …
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Removal of Metformin and Clarithromycin from aqueous media using Magnetic Brewery Spent Grain
… removal of the pharmaceuticals targeted here. A techno-economic assessment (TEA) was undertaken to assess the feasibility of the approach in relation to the principles of the ‘circular economy’. However, TEA revealed that a large-scale on-site facility was the only feasible option for the …
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Can run-of-river hydropower meet the needs of the north? A case analysis of the Albany River watershed
… future climate-change scenarios is utilized. An assessment of the impacts of climate change on this watershed suggests annual streamflow increases of at least 15% into the next century, distributed unevenly across the seasons with winter and spring flow increases of +45.7% and +27.7%, …
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The pre-treatment and pyrolysis of biomass for the production of liquids for fuels and speciality chemicals
Fast pyrolysis of biomass is a significant technology for producing pyrolysis liquids [also known as bio-oil], which contain a number of chemicals. The pyrolysis liquid can be used as a fuel, can be produced solely as a source of chemicals or can have some of the chemicals extracted and the residue …
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Improving the anaerobic co-digestion of pelagic Sargassum and food waste into biogas and a bio-fertiliser using hydrothermal pre-treatment: Concept to application in the Caribbean
… enhancement. Hydrothermal pretreatment is green technology which utilizes pressurised liquid “hot water” to enhance biomass hydrolysis and solubilisation, thereby increasing the surface area for microbial attack and improving the efficiency of bioconversion downstream. Consequently, the energy …
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Integration of distributed small-scale photovoltaic and energy storage systems in power networks
… of factors, such as the decreasing cost of technology and the decarbonisation policies governments have committed to deploy for the mitigation of climate change. It is anticipated that small-scale PV systems together with energy storage systems will play an important role towards this …
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Sustainability implications of carbon delivery in microalgae cultivation for the production of biofuel
… useful products. The challenge is developing technologies, processes, and strategies that utilize carbon effectively such that the overall system is sustainable. Through engineering systems modeling combined with techno-economic and life-cycle assessments, this study examined the implications …
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Adsorption and membrane filtration for the separation and valorization of hemicellulose from organosolv beechwood hydrolyzates
… filtration were experimentally investigated and techno-economically assessed. At first, an adsorption process was developed to separate residual lignin from hemicellulose out of beechwood hydrolyzate. Four polymeric resins and one zeolite were compared in batch experiments, and competitive …
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Integrated planning and management of electric vehicle charging infrastructure across residential, urban, and freight systems
… under varying charger types and scales. A techno-economic assessment in the U.S. cities of Chicago, IL, New York City, NY, and Los Angeles, CA, quantifies trade-offs between charging waiting times and the levelized cost of charging, highlighting significantly higher costs but much faster …
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Dispatchable Operation of Multiple Electrolysers for Demand Side Response and the Production of Hydrogen Fuel-Libyan Case Study
… grids. The variable nature of RE generators assessment affects the ability to balance supply and demand across electricity networks; however, the use of energy storage and demand-side response techniques is expected to help relieve this situation. One possibility in this regard might be the …
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Improving biomass waste upcycling by process intensification in two-stage anaerobic digestion
L'abstract è presente nell'allegato / the abstract is in the attachment
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Sequential temperature phased enhanced anaerobic digestion using bioaugmentation microbes to enhance biomethane production from alkali pretreated late cut grass and late cut grass silage
… digestion is a biomass and waste conversion technology that uses a consortium of microbes to convert the organic matter to biogas which is primarily made up of methane and carbon dioxide. The technology tackles environmental pollution by reducing the waste going to landfills causing …
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Quantitative analysis of anaerobic and phototrophic treatment technologies to advance resource recovery from wastewaters
… anaerobic and phototrophic) wastewater treatment technologies to fully realize the potential chemical energy of wastewater and to improve the environmental and economic sustainability of wastewater infrastructure. Anthropogenic activities are negatively impacting the environment through …
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