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.
Results
Showing 1 to 17 of 17 for “"RTIL"”.
-
Room Temperature Ionic Liquid (Rtil) Membranes For Bio-Methane Dehumidification
… room temperature ionic liquid membranes (RTIL-membranes) according to literature data, and RTIL-membranes have water/CH4 selectivities > 6000. In this paper we will build on the initial literature RTIL-dehumidification data by looking at a series of ammonium and imidazolium-based ionic …
-
Biphasic Cellulose Acetate/Rtil Membranes And Functionalized Graphene Adsorbents For Natural Gas Processing: Experimental And Molecular Simulation Studies
… silms are low room temperature ionic liquid (rtil) content and instability at high cross-membrane pressure. For this purpose, single and biphasic cellulose acetate (ca)/[emim][scn] membranes were fabricated using the solution casting and solution casting/phase inversion methods, respectively. …
-
Designing a Membrane Module for Determining the Permeance of High Fluxing Membranes and the Testing RTIL-Membranes for Dehumidification.
… with testing Room Temperature Ionic Liquid(RTIL)-membrane for dehumidifying gases. RTIL-membranes or Supported Ionic Liquid Membranes (SILMs) have advantageous performance for the separations of the gas pair CO2/CH4 and CO2/N2. Previous research did not separate the membrane mass transport …
-
Synthesis and characterization of ionic liquid electrolytes for use in electrical energy storage devices at elevated temperatures
… properties. Room temperature ionic liquids (RTILs) are ideal candidates to replace carbonate-based solvents to expand operational temperatures to 60 °C and above. RTILs are nonvolatile, nonflammable, thermally and electrochemically stable but most RTILs do not meet current conductivity or …
-
Electrochemistry of room temperature ionic Liquids with applications to electrospray propulsion
Room Temperature Ionic Liquids (RTILs) exhibit a number of physical properties that have opened new doors for technological advancements in space-based micropropulsion, focused ion beam, energy storage, and other research and industrial applications. As a family of concentrated electrolytes, RTIL …
-
Processes Involving Acid Gas Solubility In Room Temperature Ionic Liquids (RTILs)
… involving the solubility of acid gases in RTILs. This thesis looks at using these studies in the context of two processes: membrane separation and absorption refrigeration cycles. The first part of this study investigated the separation of a mixed dry gas feed of CO2/CH4 by four Stabilized …
-
Reverse-Selective Behavior Of The Room Temperature Ionic Liquid Based Membranes
… study explore the reverse-selective potential of RTIL based membranes by lowering the solubility of the non-condensing gases like N2 and CH4. It explored reverse-selectivity by measuring the permeance of carbon dioxide, nitrogen, methane, propylene, propane, 1-butene, and butane in supported ionic …
-
Bioaktyviųjų joninių skysčių aukštosios skyros BMR tyrimas /
Bioactive room temperature ionic liquids (b-RTIL) are getting more popular in the field of ionic liquids. The ionic liquids are composed of organic cation molecules and organic or inorganic molecule anions. IL have low melting temperature; low vapour pressure and their chemical structure can be …
-
Part I - Access to UV photocured nanostructures via selective morphological trapping of block copolymer melts. Part II - Morphological phase behavior of poly(RTIL) containing block copolymer melts
… a new poly(room temperature ionic liquid) (RTIL) BCP platform was developed based on the sequential, living ring-opening metathesis polymerization (ROMP) of a hydrophobic non-charged dodecyl ester norbornene monomer followed by a cationic imidazolium norbornene ionic liquid (RTIL) monomer. …
-
Lewis acid catalysis in organic synthesis
… of azides to terminal alkynes using CuCl-RTIL. This catalytical system gives only 1,4-disubstituted 1,2,3-triazoles. Reactions of Alkyl and aryl azides with a variety of terminal alkynes were successfully catalyzed using CuCl-RTIL catalytic system. This catalytic system has the additional …
-
The Effects Of Diffusion, Capillary Heterogeneity, And Porous Media Morphology On CO2 Migration In Porous Media
… diffusivity in a Room Temperature Ionic Liquid (RTIL) membrane. A metallic porous membrane was thoroughly saturated with Emim(Tf2N) and placed in a diffusion chamber. CO2 gas was injected into the upper diffusion chamber and was alloto completely diffuse through the RTIL into the lower diffusion …
-
Redox and complexation chemistry in chloride ionic liquids and molten salts
… known as room-temperature ionic liquids (RTILs). Further, the work seeks to address important open questions about the chemistry of lithium reduction in molten salts related to both its industrial production and influence in pyrochemical processing of used nuclear fuel. RTILs are a subset …
-
Investigations of the electrochemical behaviour of room temperature ionic liquids
The existence of Room Temperature Ionic Liquids (RTILs) has been known for a long time, but only recently have they been pulled to the forefront of chemical research. This increase in attention can be attributed to a keen interest in their intrinsic properties for a wide variety of potential …
-
Molecular Structure and Dynamics of Novel Polymer Electrolytes Featuring Coulombic Liquids
… polyanions and room-temperature ionic liquids (RTIL) were studied. First, a semi-coarse-grained model was developed to investigate the packing and dynamics of the ions in this ion gel. Ions in the interstitial space between polyanions exhibit distinct ordering, which suggests the formation of a …
-
Nano-Confined Room-Temperature Ionic Liquids for Electrochemical Applications
Room-temperature ionic liquids (RTILs) and their derivatives are promising electrolytes for electrochemical devices including supercapacitors. Understanding the behavior of RTILs in these devices is critical for improving their performance. The energy density of supercapacitors can be improved …
-
Novel inorganic membranes for gas separation
… by applying room temperature ionic liquids (RTILs) to porous inorganic α-alumina supports. The supported ionic liquid membranes (SILMs) displayed CO₂ permeance of 1x10⁻⁹ to 3x10⁻⁸ mol m⁻² s⁻¹ Pa⁻¹ and CO₂/CH₄ selectivity of up to 50 which is comparable with the current polymeric separation …
-
Membrane Drying of Ionic Liquid
<p>Room temperature ionic liquids (RTILs or, simply, ILs) are liquid salts at temperatures near or slightly above room temperature. ILs consist entirely of bulky, asymmetric organic cations and a variety of anions and, as a consequence, ILs have non-measureable vapor pressure. Due to their unique …