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Membrane-based gas separation
An exhaustive treatment of the past decade of intense activity in the membrane-based gas separation field would require an entire book and provide more detail than necessary to capture the essence ofExpand
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Pushing the limits on possibilities for large scale gas separation: which strategies?
Abstract Opportunities abound to extend membrane markets for gas and vapor separations; however, the existing membrane materials, membrane structures and formation processes are inadequate to fullyExpand
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Mixed matrix membranes using carbon molecular sieves: I. Preparation and experimental results
Abstract Carbon molecular sieves (CMSs) have been incorporated into two different polymer matrices to form mixed matrix membrane films for gas separations. The CMSs were formed by pyrolysis of aExpand
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Non-ideal effects in organic-inorganic materials for gas separation membranes
Abstract Organic–inorganic hybrids, so-called ‘mixed matrix’, materials comprising highly selective rigid phases, such as zeolites, dispersed in a continuous polymeric matrix are leading candidatesExpand
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Effect of partially immobilizing sorption on permeability and the diffusion time lag
The gas permeability and diffusion time lag may exhibit varying degrees of pressure dependence for glassy polymers. The sorption isotherm appears to consist of contributions from both Langmuir andExpand
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Factors Controlling Successful Formation of Mixed-Matrix Gas Separation Materials
Prior work has suggested simple guidelines for matching transport characteristics of materials to form high-performance mixed-matrix materials for gas separation. Such materials comprise a dispersionExpand
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Effects of Polyimide Pyrolysis Conditions on Carbon Molecular Sieve Membrane Properties
In previous research, carbon molecular sieve (CMS) membranes for gas separations have been produced using either a vacuum pyrolysis or an inert purge pyrolysis technique on a precursor which is oftenExpand
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Tailoring mixed matrix composite membranes for gas separations
Abstract Polymeric gas separation membrane materials have improved significantly over the past two decades due to systematic optimization in backbone structure. Recent evidence suggests, however,Expand
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Carbon molecular sieve gas separation membranes-I. Preparation and characterization based on polyimide precursors
Abstract Carbon molecular sieving membranes are new, high-performance materials for gas separations. The selectivities of these membranes are much higher than those typically found with polymericExpand
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