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 “"Ultra-filtration"”.
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Development of Innovative Ultra-Filtration Fibre Technologies for Waste-Water Treatment in Membrane Bio-Reactors (MBR)
The design of advanced hollow fibre ultrafiltration (UF) membrane technologies for use in wastewater treatment facilities has culminated from a combination of improvements in plant operation and optimising feed water interactions. With global demands in water quality increasing, this has placed …
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Application of the Vortex Fluid Device (VFD) in Polysulfone Synthesis and Ultra-filtration Membrane Fabrication for water treatment purposes
… have been performed to improve key properties of filtration membranes via controlling the fabrication process conditions as well as physical and/or chemical modification of the polymers used in membrane fabrication. The Vortex Fluid Device (VFD) is a newly invented platform which has found many …
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Biofilm-derived Small Molecules Released from Mixed-species Cultures of Fusobacterium necrophorum and Porphyromonas levii Inhibit Bovine Neutrophil Functional Responses
… to planktonic bacteria-generated products. Ultra-filtration revealed that a <3kDa molecule is differentially expressed in the bacterial supernatants and allows biofilm-bacteria to inhibit neutrophil responses. Intensive heat, protease, lipase, or nuclease treatment of the <3kDa fractions …
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Quantifying uncertainty in pathogen removal, membrane integrity monitoring and health consequences in the treatment of drinking water
… integrity tests of hollow fiber micro- and ultra-filtration membranes. We found that variability and model uncertainty related to the contact angle may result in defect size resolution that is greater than 3 micrometers. This implies that the test is not always compliant with Environmental …
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Investigation of Keratin and Keratin-Containing Composite Biomaterials: Applications in Peripheral Nerve Regeneration
… during a widely-used purification step, dialysis ultra-filtration, on material characteristics of the final keratin product when fabricated into a hydrogel. Two distinct dialysis procedures were applied during the extraction of oxidized keratin (keratose): one promoting protein aggregation and the …
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Study of mechanisms of phytotoxicity of alumina nanoparticles
… possibility was made possible by the use of ultra-filtration techniques utilizing both 0.025um and 0.05um pore size membranes from Millipore, in addition to the use of both Alumina nanoparticles and fumed Silica nanoparticles. Significant differences exist between the two pore sizes at the …
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Development of carbon nanotube membranes for wastewater treatment and surface enhanced Raman scattering study of the membrane efficiency and eventual contamination caused
… gravity-based clarifier is replaced by membrane filtration in a MBR system thus combining the strength of biological treatment processes and efficiency of membrane filtration. MBRs have been implemented across a number of industrial sectors such as the food and beverage sector, chemical, …
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Vertically-aligned carbon nanotube membranes for water desalination and ultrafiltration
… a severe shortage of fresh water. Modern water filtration techniques includes Reverse Osmosis (RO), Forward Osmosis (FO), and Solar Distillation etc. Due to its high separation performance and comparatively low prices, membrane technology is widely applied in many fields such as medical science, …