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 20 of 143 for “"scrap"”.
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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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ΜΕΛΕΤΗ ΑΝΑΚΤΗΣΕΩΣ ΜΕΤΑΛΛΩΝ ΑΠΟ SCRAP
… RECOVERY OF METALS (MO, FE, CR, NI) FROM FERROUS SCRAP, AIMING TO THE FORMATION OF POWDER AS A FINAL PRODUCT. RESEARCH OF THE LOCAL MARKET LEADS US TO THE CHOICE OF A STAINLESS STEEL SCRAP (CONTAINING MO=2,7%) AND AN IRON SCRAP (FE=97,2%) AS RAW MATERIALS. THE STUDY IS BASEDON HYDROMETALLURGICAL …
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Recycling of aluminum scrap through direct Hot Rolling Process
… referred to as primary aluminum, or by recycling scraps (secondary aluminum). Recycling offers a more sustainable solution, minimizing the environmental footprint that comes with primary production. The term "Solid State Recycling (SSR)" denotes a group of recycling processes that eliminate the …
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The use of scrap leather for artificial leather soles
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1943.
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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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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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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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Solid waste disposal and enforcement with an application to Virginia's scrap tires
… of a policy aimed at solving Virginia's scrap tire disposal problem. The policy options considered are criminal enforcement, regulatory enforcement, and subsidies. The results of the case study indicate that in every case criminal enforcement is more expensive than regulatory enforcement. …
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Scrap every Sunday: behavioral analysis of a church-centered aluminum recycling program
… local Presbyterian churches. Household aluminum scrap was collected and sold to a local recycling center, and the proceeds were contributed to the established 'Halt Hunger' program of the Presbyterian, U.S., denomination. Behavioral interventions were prompts, proximity of collection container, …
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Investigation and modeling of uranium polarization for the electrorefining of Scrap U-MO foils
… has been selected to recover uranium from the scrap produced in the manufacture of this novel fuel type. Electrorefining, the main separation process of pyroprocessing, is modeled through a novel approach using corrosion theory. To use corrosion theory, knowledge of uranium polarization and …
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An Investigation into Practical Aluminum Scrap for Emergency Power Fuel in Disaster Response Situations
… and hydrogen in a reaction with water, aluminum scrap from the field could be used to generate hydrogen for fuel cell power systems. Therefore, practical aluminum scrap, specifically the used beverage can, was investigated for its ability to react efficiently and produce hydrogen under the …
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Exhaust gas emissions from a prototype scrap tire incinerator/wastewater treatment plant sludge dryer
… measured the emissions from an experimental scrap tire incinerator/wastewater treatment plant sludge dryer. This report recounts the techniques used and the results obtained during this testing. The Virginia Department of Environmental Quality supplied a list of pollutants of permitting …
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Building scrap based industries : the potential for economic development and environmental improvement in the Gaza Strip
Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 1995.
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Saving the world one scrap at a time: Identity labeling as as tool to reduce household food waste
<p>Food waste is a significant driver of climate change, and it threatens human and planetary health. In fact, the average American household discards between 30% - 40% of their edible food each week. Reducing food waste could divert material from landfills, where it contributes to greenhouse gas …
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