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 contactor"”.
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Fundamental study of hydrophobic microporous membrane contactors for the recovery of insoluble oil from oil-water mixtures
… work was to advance the understanding of a membrane contactor process for the recovery of insoluble oil from water. The hydrophobic hollow fiber membrane had been successfully tested in our laboratories for oil recovery from algae slurries. However, a thorough study to understand the …
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Coupling Treatment Technologies with Bioelectrochemical Systems to Optimize Resource Recovery from Wastewater
… electricity. Incorporation of ion exchange membranes can also promote the separation of nutrients. Two common types of BES are microbial fuel cells (MFCs) and microbial electrolysis cells (MECs). However, shortcomings including relatively low energy production and high material costs …
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Remoção de CO2 do biogás por permeação em membranas
… Taking into account the potential of membrane processes in biogas purification, this work evaluates the performance of two technologies for CO2 removal from biogas: membrane gas permeation and membrane contactors. Both technologies were compared regarding purification efficiency, …
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Electrochemical Routes for Capture and Utilization of CO2
… and release platform combining a hollow-fiber membrane contactor with electrodialysis under a moisture-swing mechanism achieved stable operation at 0.4% CO2 feed with high flux and reduced energy demand. This framework was further extended to a continuous, closed-loop system that directly …
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Thermal swing membrane based method for CO2 capture from flue gas
… a high temperature ~ 120 C. A temperature swing membrane absorption (TSMAB) process was described by Mulukutla et al. (2015) using a novel membrane contactor, novel absorbents and a cyclic process. In this device, the absorbent is on the shell side of a membrane device containing two commingled …
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Production of biopolymer using a membrane-based bioreactor
… investigating the production of PHB in a novel membrane-based bioreactor. Direct gas sparging is MM’s current method of gas delivery, but one of NASA’s potential applications for this system would be in microgravity where gas bubbles will not rise, making mass transport and exchange/resupply of …
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Characterization of microporous ECTFE membranes exposed to different liquid media and ?-radiation and nanoparticle microfiltration through such membranes
Microporous polymeric membranes are used in a variety of applications for separations, purification as well as barrier function. A major application is for microfiltration (MF). Changes in the properties of MF membranes exposed to acids, bases and organic solvents are of interest in semiconductor …
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Membrane Processes for Sustainable Energy Applications
… impact on our current lifestyle.</p><p>Membrane processes have gained importance in a wide spectrum of applications due to their low energy requirements. Process technologies for alternative energy production can be intensified with the application of membranes. This dissertation is …
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Ammonia Recovery from Digester Centrate with Electrochemical Membrane Systems: Mechanism, Performance, and Application
… nitrogen management. Electrochemical and membrane technology are emerging technologies that can achieve ammonia recovery with high recovery efficiency, while many of the those are still energy- and chemical-intensive. These motivate us to develop novel integrated membrane and …
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Selective gas adsorption of gas-water mixtures in nanoscale systems and its application to gas separation
… for new gas separation procedures using a liquid membrane model with porous graphene membranes and water. By introducing a water slab between a gas-mixture and the graphene membrane, we show that the gas-mixture can be separated. By considering various gas-mixtures we show that the separation …