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 8 of 8 for “"Uranium extraction"”.
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Uranium extraction from seawater : investigating hydrodynamic behavior and performance of porous shells
… meet their energy needs, increasing demand for uranium. There are enough land-based uranium reserves to cover current demand for about 120 years. However, increasing demand will shorten this estimate and require mines to tap into harder-to-extract reserves resulting in higher prices and greater …
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A value based approach to leach optimization at Rössing Uranium Limited
… effect of oxidation reduction potential (ORP) on uranium extraction and reagent consumption and the determination of an improved ORP set-point as a function of ore type, residence time and the economic environment.
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Magnetic gels for uranium recovery from wet phosphoric acid
Incorporation of uranium recovery into wet phosphoric acid (WPA) processes can potentially supplement a significant portion of the world's uranium production and simultaneously benefit human health and environment by reducing radiological and toxic contamination of the phosphate fertilizer …
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Modeling energy consumption in the mining and milling of uranium
… in the mining, milling, and refining of uranium are formulated. The purpose of the models is to estimate the energy-to-grade dependence for uranium extraction, while defining a minimum grade that can be feasibly mined and produced. The results serve as a basis for understanding the …
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Multiattribute utility functions for the deep borehole filter restoration problem
… It is related to the issues of natural resource extraction, resource depletion, power generation, environmental degradation, and atmospheric change such as global warming. Since more than 80% of the world’s primary energy is generated from fossil fuels (coal, oil, gas), emissions of carbon …
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Exploration of configurations of wave energy converters to mechanically drive a seawater uranium harvester
… [29], but conventional reserves of terrestrial uranium are estimated to be depleted within the century [19]. Fortunately, an estimated 4.5 billion tonnes of uranium exists as ions in the ocean [281, and a system of adsorbent polymers has been designed to extract the uranium. A proposed machine …
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Extraction of uranium from seawater : design and testing of a symbiotic system
… is estimated to contain 4.5 billion tonnes of uranium, approximately 1000 times that available in conventional terrestrial resources. Finding a sustainable way to harvest uranium from seawater will provide a source of nuclear fuel for generations to come, while also giving all countries with …
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Extraction of uranium from seawater : Design and testing of a symbiotic system
… is estimated to contain 4.5 billion tonnes of uranium, approximately 1000 times that available in conventional terrestrial resources. Finding a sustainable way to harvest uranium from seawater will provide a source of nuclear fuel for generations to come, while also giving all countries with …