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 60 for “"Lower-Carbon"”.
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DESIGNING OUT CARBON: MATERIAL SUBSTIUTION STRATEGIES FOR A UNIVERSITY OF OREGON DORMITORY
… strategies can meaningfully reduce the embodied carbon footprint of university dormitory construction, using Unthank Hall at the University of Oregon as a case study. The primary research question guiding this study is: to what extent can targeted material substitution reduce a building’s …
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Modeling Powdered Activated Carbon Performance in Membrane Filtration Systems
… results of this study showed that, for a given carbon dose, the application of carbon as a pulse input always yields lower adsorbate concentrations in the membrane permeate. Furthermore, application of the activated carbon to continuous-flow reactors installed upstream of the membranes, and the …
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Driving Optimization Centered Upstream Petroleum Operations in the Denver-Julesburg Basin
The world is focused on advancing a lower carbon future. Despite this focus, global energy requirements continue to grow at a rapid pace. The transition to cleaner, renewable energy sources cannot happen overnight, and many aspects of daily life involve products derived from petroleum. The …
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Mapping sectors for high employment and low carbon growth in South Africa
… and the world is under increasing pressure to lower its carbon emissions. The distributional effects of a lower carbon growth pathway will be an important part of the overall transition to a lower carbon economy, in South Africa and elsewhere. Previously, sectors have been characterised …
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Non-stoichiometry and radiation damage effects in zirconium carbide and layered carbide ceramics for nuclear fuel cladding applications
… whose properties can be optimised by varying the carbon content. Whilst the majority of studies have focused on producing and measuring different properties of ZrC, very few studies have focused on accurately measuring the carbon content for a specified fabrication route resulting in a scatter in …
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Strategic issues facing the development of clean development mechanism projects in South Africa
… signed into existence in 1999 in an effort to lower carbon emissions emitted around the globe. Under the protocol, a mechanism called the CDM was created in order to help developing nations, such as South Africa, lower their carbon emissions. This paper looks at the development of the carbon …
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A case for electrifying heat in end-use residential sector towards carbon-free buildings
… will increase as the grid trends toward lower carbon intensity in the decades ahead. Electrification of residential heating systems, by eliminating site fossil fuel use for heating, provides an important element of ultimately achieving carbon-free buildings. The objective of this research …
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Accounting for the environment, earnings quality and financial performance
… investigates the relationship between corporate carbon emissions and financial reporting quality, emphasizing the economic implications of sustainability practices. The research is structured into three chapters, each exploring key themes related to Corporate Social Responsibility (CSR), …
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System Dynamic Analysis to Evaluate the Socio-Economic Impact of the Energy Transition of Singapore to Achieve Net Zero Emissions by 2050
Singapore has pledged to achieve net zero carbon emissions by 2050. However, due to the country's limited land and lack of natural resources, the transition to net zero emission is a challenging journey. Singapore has chartered an energy transition plan to help the country navigate into a lower …
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Toward Achieving the Energy Transition Through Corporate-University Partnerships
… moving toward a global energy system that is lower carbon, transitioning from predominantly hydrocarbons to including more renewable and sustainable energy sources. The amount of multidimensional change – spanning culture, technology, education, infrastructure, and policy – required to achieve …
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A digital up-conversion architecture for future high efficiency wireless base stations
… must be achieved at reduced cost and with a lower carbon footprint. This evolution in wireless demand places a big burden on transmitter architectures. The need for higher efficiency has stimulated research into the potential replacement of current linear power amplifiers (PAs) by switch mode …
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Integrated Model of a Floating Nuclear System for Hydrogen and Ammonia Production
… is expanding, offering significant potential to lower carbon emissions in critical sectors. Similarly, ammonia is stepping into the spotlight as both a substitute for conventional fuels in heavy industries and as an efficient hydrogen carrier. Nuclear Power Plants (NPPs) play a critical role in …
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A Qualitative Analysis of the South African Just Transition
… such, there is a necessary global transition to lower-carbon economies and societies to reduce the harmful emissions caused by human activities to mitigate the growing climate crisis. Yet, there are fears that there will be job losses and economic hardships as the world transitions away from the …
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The Role of Natural Gas in Future Low-carbon Energy Systems
… scrutiny over the role of fossil-fuels in a low-carbon energy future. This thesis evaluates the role of natural gas-fired power plants (NG) in future electrical grids using an advanced, multi-period capacity expansion modeling framework with perfect foresight. We model cost-optimal grid …
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Sustainable cementitious materials for building and sorption applications
… interest in sustainable alternative cements with lower carbon footprint, lower energy consumption, and those that offer superior properties that are beneficial for specific applications. Two sustainable cementitious materials that are frequently researched as an alternative to OPC are calcium …
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Enhancing the quality and breadth of carbon reduction project ideation and roadmapping for corporations
… to the ideation and complexity analysis of carbon reduction projects (CRP) for heavy-industry corporations (HICs), which is critical for HICs to adapt to a lower-carbon world. The thesis uses a systems approach to improve the breadth of ideation and robustness of complexity analy-sis such …
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Combustion characteristics of a spark ignition engine operating with liquid lpg injection
… as compared to gasoline. Since the LPG has lower carbon to hydrogen ratio than gasoline, the reduction of carbon related emissions, CO2 and CO were found lower in LPG operation by 9.15% and 58.55% respectively than gasoline at all testing conditions. Meanwhile, HC and NOx were recorded …
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Acid gas removal from natural gas using ionic liquids
… This is due to its abundancy, efficiency and lower carbon content compared to oil and coal. However, raw gas contains undesirable components, such as hydrogen sulphide and carbon dioxide, which must be removed before its delivery to end users because of their toxicity, corrosivity, …
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Constructing sustainability: connecting the social and the technical in a case study of school building projects
… improved operational energy efficiency and low-carbon energy technologies. Within construction projects the potential power of professional experts to produce alternative solutions is also demonstrated, through the example of the successful introduction of cross-laminated timber to reduce …
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Controlling bacterial contaminants in sugarcane ethanol fermentations
Bioethanol from sugarcane has a lower carbon footprint than petroleum based fuels but the industry is plagued by various economic pressures, including product loss due to contamination of fermentation facilities. Lactobacillus species and other lactic acid producing bacteria from the feedstock and …
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