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 95 for “"Carbon Neutral"”.
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Scalability of carbon-neutral cooling system
The scalability of a carbon neutral cooling system to provide the MIT campus its annual cooling needs was assessed. The cooling system under observation requires 400 W of electricity mainly to power unidirectional fans that propel air through the chambers and 1423.88 W of hot water to raise the …
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Building innovation ecosystems to drive carbon neutral sustainability goals
… leaders are attempting to address by setting carbon neutrality goals for their regions. To reach these goals requires the development of new technologies that only innovation-driven enterprises (IDEs), not small businesses, have the ability to create. IDEs tend to form around one another in …
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The private sector's capacity to manage climate risks and finance carbon neutral energy infrastructure
… capacity to manage climate risks and finance carbon neutral energy infrastructure. The dissertation examines (a) potential risks posed by climate change to private sector investment in critical infrastructure, (b) the potential effectiveness of standard private contractual methods for …
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Reconstructing low-energy housing using ‘systems of practice’.
… (DECC, 2011). New homes are required to be carbon-neutral by 2016, presenting a considerable challenge to the housing industry (DCLG, 2006). Addressing this ambition remains shaped by the ‘techno-rational paradigm’, where energy savings rely on optimal design, technological diffusion and …
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Towards Sustainable Electrosynthesis of Industrially Valuable Small Molecules
The decarbonization of legacy industrial processes calls for substantial advances in our ability to apply sustainably generated electricity as a means of making and breaking arbitrary chemical bonds. The development of such carbon-neutral systems demands the design of efficient and selective …
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Deep Decarbonization of California’s Transportation Sector: A Comparative Analysis of Aviation, Electric Vehicles, and High-Speed Rail using the ASIF Framework
… explores California's journey towards deep decarbonization in the transportation sector, focusing on the pivotal roles of aviation, electric vehicles, and high-speed rail. Using the ASIF framework, it analyzes the Activities, Share, Intensity, and Fuel of each mode, aiming to illustrate the …
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Transitioning to a low carbon future : is Pacific Carbon Trust an effective policy instrument?
… needed to improve the effectiveness of Pacific Carbon Trust (PCT). This British Columbia Crown corporation, created to establish a carbon offset market and facilitate a carbon-neutral government, successfully met its ambitious first year target to offset the provincial government’s operating …
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Community climate change mitigation and adaptation : the role of Columbia Basin Trust
… Adapting to Climate Change Initiative and Carbon Neutral Kootenays. These initiatives have reduced barriers to community action on climate change by providing expertise and funding and engaging communities. Monitoring and flexibility have allowed these initiatives to adapt as needed to …
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FROM ALGAE BLOOMS TO INTERIOR SYSTEMS: SEAWEED-BASED MATERIAL SYSTEMS AND DIGITAL FABRICATION STRATEGIES FOR SUSTAINABLE ARCHITECTURE
… research explores algae-derived materials for carbon-storing interior surfaces through a material-driven design methodology. Waste Cladophora algae, together with oyster shell, alginate, and hemp fibers, are transformed into a biodegradable, low-carbon material. Digital fabrication techniques, …
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Using the greet model to analyze algae as a feedstock for biodiesel production
There is a growing interest in renewable, carbon-neutral biofuels such as ethanol and biodiesel. A life-cycle analysis is conducted in this study to determine the viability of using algae as a feedstock for biodiesel. The method involves assessing energy use, fossil fuel use, greenhouse gas …
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Enhancing Bioethanol Fermentation through Removal of Acetic Acid Using Liquid-Liquid Extraction
… to investigate means for sustainable producing carbon-neutral energy. Second-generation biofuel refers to liquid fuels that are produced from non-food resources and reduce the total greenhouse gas emission by at least 60 %. Acetic acid has been shown to be one of the most ubiquitous fermentation …
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Iron Production by Molten Sulfide Electrolysis
… globally have pledged to reach net zero carbon emissions or become carbon neutral by 2050, the iron and steel industry included. With exponential increase in the production and the demand of steel, the carbon footprint of the industry has also been rising at a high rate, accounting ~ 10 …
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Hydrogen-Rich Syngas Derived from Smouldering Biomass and Hydrocarbon Wastes
… a promising energy vector being both a net-zero carbon emitter and having one of the highest gravimetric energy densities of known fuels. Production of hydrogen, however, is difficult with many of the technologies which exist today failing to be economically feasible or environmentally …
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Thermodynamic evaluation of cobalt-ferrite based redox reactions for solar thermochemical conversion of CO2 into fuels
The solar thermochemical conversion of carbon dioxide into synthetic fuels represents a promising pathway for mitigating anthropogenic CO₂ emissions while enabling the production of carbon neutral energy carriers. This study investigates the use of cobalt ferrite (CoFe₂O₄) as a redox-active metal …
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Evaluation of the Brazilian potential for producing aviation biofuels through consolidated routes
… goals include energy efficiency improvements, a carbon neutral growth from 2020 on and expressive reductions in carbon footprint by 2050. One of the strategies established for achieving these goals is the development of alternative sustainable fuels, also known as biojet fuels. Brazil may be …
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Assessment of wastewater algae for use in biofuel production
… fuels derived from microalgae as they are a carbon neutral source of fuel. The aim of this research was to assess if algae derived from municipal wastewater sources could be potential biofuel feedstocks by assessing their growth and fatty acid accumulation. When comparing wastewater derived …
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An Environmental Impact Assessment of 3D Printed Medical Devices
… products. Stryker has set corporate-wide carbon neutral and 100% renewable energy goals requiring an adjustment of current processes and incorporating sustainability practices to processes in development. To that end, this thesis assesses the environmental impact of additive technologies …
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ELECTROCATALYSTS AND SUPPORTS FOR POLYMER FUEL CELLS AND ELECTROLYZERS
… pathways for renewable energy storage are carbon neutral hydrocarbons and a hydrogen energy economy. The main hurdle in implementing these technologies is the cost of electrolyzers/fuel cells along with the overhaul of our current energy infrastructure. To mitigate the cost of the …
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EXPLORING CO2 FUCTIONALIZATION WITH D6 COMPLEXES AND MATERIALS
Carbon dioxide (CO2), a potent greenhouse gas, is produced as a waste in many industrial processes, yet few processes incorporate CO2 as a C1 feedstock. To address this imbalance, we explore additional avenues for the use of CO2 to produce industrially relevant commodity chemicals via d6 transition …
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Impact of carbon emission regulatory policies on the electricity market : a simulation study
… efficient technologies and alternate green or carbon neutral fuels. However, these technologies require large investments and hence to make them economically viable there should be suitable incentives from the government in form of emission regulatory policies such as carbon taxation and carbon …
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