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 11 of 11 for “"membrane development"”.
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MEMBRANE DEVELOPMENT FOR ORGANIC SOLVENT NANOFILTRATION APPLICATION
… (OSN) is a straightforward yet effective membrane-based molecular separation technology with significant applicability in food, pharmaceutical, and petrochemical industries. This thesis tends to cover different methods for the fabrication and modification of polyimide (PI) and …
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IMPLEMENTATION OF METAL-ORGANIC FRAMEWORK ON MEMBRANE DEVELOPMENT FOR LIQUID SEPARATION : INVESTIGATION, CHARACTERIZATION AND APPLICATION
… of metal-organic frameworks (MOFs) in the development of MOF-membrane composites for liquid separation remains at nascent stage. As most of discovered MOFs suffer from poor water stabilities, it has severely limited these composites’ further applications and commercialization. In this …
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Preparation, characterization and testing of inorganic ceramic membranes.
… scale using low efficient Inorganic Ceramic membranes has been proposed. This was achieved by the addition of second and third stage permeation trains to the existing low CO2 recovering Ceramic Inorganic membranes. The Inorganic Ceramic membrane development involved modification of Alpha …
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The dual-targeted membrane assembly of the <i>Streptomyces coelicolor</i> Rieske protein
… protein export across the bacterial cytoplasmic membrane - the general secretory (Sec) system and the twin-arginine translocation (Tat) system. Both translocases can also insert membrane proteins. The Sec machinery inserts multiple transmembrane domains into the cytoplasmic membrane by a …
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Development of new membranes for desalination pre-treatment
The use of membranes in water filtration is on the rise as they are reliable and filter wide variety of pollutants and fouling agents. On the other hand, fouling of the membrane and initial cost of the setup and the membrane itself are the areas which need major improvement. In this thesis, testing …
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Potential Applications of Graphene-Based Membrane in Solution Purification Processes
… Unfortunately, conventional polymeric membranes have inherent limitations, such as low separation or rejection rate, fouling, limited water flux, and high energy consumption. Two-dimensional (2D) based layered materials with tunable chemical functionalities and surface charge properties …
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Impact Of Coal Derived Impurities On The Performance Of Hydrogen Separation Membranes
… will be needed. Many technologies are under development for the separation of hydrogen from coal-derived syngas, and among the most promising are hydrogen separation membranes. Studies indicate a significant IGCC plant efficiency increase can be realized if warm-gas cleanup and hydrogen …
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Micro fuel cell and nanoscale colloidal separation systems: design, fabrication, and characterization
This thesis presents different types of membranes fabricated by microfabrication processes for applications on micro fuel cell, proton exchange membrane, and removal process of nanoscale colloids. First, the development of a millimeter-scale fuel cell with on-board fuel is enabled by implementing a …
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Factors influencing the strength development in pfa-lime systems
… techniques have also been employed to follow the development of microstructure during curing. In addition mercury intrusion porosimetry (MIP) has been used to determine the corresponding changes in pore size distribution.<br/><br/>When moistened with water the pfa was found to contain 1.34% of …
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Development and physicochemical characterization of thin-film composite nanofiltration membranes with covalent organic framework active layers
… growth, accelerated urbanization, economic development, and climate change. With water demand outpacing supply, intensifying periodic water shortages are driving the development of creative solutions to address this global challenge. These include sustainable and efficient management of …