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 16 of 16 for “"scrap metal"”.
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Sustainable Spacefaring: Exploration of scrap metal powder metallurgy on the lunar surface
… the opportunities and limitations of upcycling scrap metal from Low Earth Orbit (LEO) as Additive Manufacturing (AM) feedstock for the lunar surface with the goal of exploring the lunar architectural surface needs for a powder metallurgy processing facility and recommend areas of improvement for …
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Contrast: Unifying the Nuts and Bolts
… delicate of papers, to constructing objects from scrap metal and reclaimed barn wood, the pieces I produce are studies in contrast. In these works, I place extremes of media next to one another in a way that makes the viewer feel that these opposites belong together. I struggle to make the …
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Scrap aluminum as fuel
… the viable use cases of aluminum as a fuel. Scrap aluminum has the potential to provide fuel in disaster relief zones when infrastructure is ruined and scrap metal is abundant. Additionally, converting scrap aluminum to fuel can provide an alternate option to traditional recycling methods. …
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Sustainability performance analysis and decision-making for minerals beneficiation : a South African iron and steel scrap case study
… demonstrated for the case of the iron and steel scrap industry in South Africa, with a particular focus on the potential for increased local beneficiation of scrap in steel mills and/or foundries. The export of scrap metal has been identified as a significant concern to some, as it is viewed to …
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Low cost fencing material for a pre-school in Lavender Hill
… for space heating -The material is to have no scrap metal value such as steel and wire fencing material as this easily gets stolen. -The material is not to block visibility which harbors criminal activity in the area. Fences such as concrete slabs and brick block visibility. The materials …
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The Armor of Democracy: Volunteerism on the Home Front in World War II California
… Throughout the war, volunteers collected scrap metal which was melted down into weaponry. “Radishy victory gardens” sprung up throughout California. The Red Cross experienced an unprecedented surge in volunteerism and new methods in preservation and transportation of donated blood saved …
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Exkludering, assimilering eller utrotning? : "Tattarfrågan" i svensk politik 1880-1955
… by itinerant trades such as horse-trading, scrap-metal-dealing and tinplating. The authorities often labelled these families “tattare”. They suffered from severe discrimination, and authorities as well as scientists claimed that they were a threat against society. These claims were often …
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Characterisation and refinement of properties of glass fibre reinforced polyester polymer concrete for use in manhole components
… the cast iron versions being stolen and sold for scrap metal. It has been found that polymer concrete covers manufactured to replace stolen cast iron covers (in existing cast iron frames) fail occasionally in service. The investigation thus focuses on the characterisation of glass fibre reinforced …
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The Application of Mineral Processing Techniques to the Scrap Recycling Industry
The scrap metal recycling industry is a growing industry that plays an important role in the sustainability of a large global metal supply. Unfortunately, recycling lacks many standards, and test procedures in place for mineral processing. These standards and practices, if used in recycling, could …
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Knowledge assessment of lead poisoning precautionary measures among women of child-bearing age in high lead exposure residential areas in Kabwe District
… people from scavenging old mine site for scrap metal and mineral ores. Kabwe Municipal Council should stop giving out plots in high lead exposure areas. Ministry of Community and Development Mother and Child Health at district level should support community health activities in Lead …
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Knowledge assessment of lead poisoning precautionary measures among women of child-bearing age in high lead exposure residential areas in Kabwe District
… people from scavenging old mine site for scrap metal and mineral ores. Kabwe Municipal Council should stop giving out plots in high lead exposure areas. Ministry of Community and Development Mother and Child Health at district level should support community health activities in Lead …
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Recycling solid waste: A study on an emerging raw material industry in Namibia
… materials recycled; paper, glass bottles, cans, scrap metal and electronic waste is done outside the country a situation which may disadvantage the country in terms of industrial and economic growth. Economic and environmental factors were the main forces driving the industry. There was a shift …
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Extraction of zinc from scrap steel using zinc-bromine battery technology
… innovations. The steel industry struggles with scrap recycling because of zinc content within scrap needing to be of a suitable level (16 wt%) to be economically viable. Current steel recycling methods (pyrometallurgy and hydrometallurgy) are energy intensive or only pass the problem of …
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Cellulose based transition metal nano-composites : structuring and development
… cellulose, to synthesise a variety of metal and metal carbide nanoparticles and to establish structuring and patterning methodologies that produce highly functional nano-hybrids. To achieve this, the mechanisms governing the catalytic processes that bring about graphitised carbons in …
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Towards establishing a fit-for-purpose regulatory framework for radiation protection in Western Australia's mining industry: Evaluating mine worker exposures to naturally occurring radionuclides
Mining in the state of Western Australia (WA) formally commenced in the 1840s, and over the ensuing 180 years has evolved to be the epicentre of the Australian mining industry and a significant contributor to the national economy. The lithology of WA is replete with mineralisation that hosts …