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Processes 2016, 4(3), 32; doi:10.3390/pr4030032

Origins and Evolution of Inorganic-Based and MOF-Based Mixed-Matrix Membranes for Gas Separations

Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, TX 75080, USA
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Academic Editors: Angelo Basile and Catherine Charcosset
Received: 30 June 2016 / Revised: 13 August 2016 / Accepted: 23 August 2016 / Published: 12 September 2016
(This article belongs to the Special Issue Membrane Separation Processes)

Abstract

Gas separation for industrial, energy, and environmental applications requires low energy consumption and small footprint technology to minimize operating and capital costs for the processing of large volumes of gases. Among the separation methods currently being used, like distillation, amine scrubbing, and pressure and temperature swing adsorption, membrane-based gas separation has the potential to meet these demands. The key component, the membrane, must then be engineered to allow for high gas flux, high selectivity, and chemical and mechanical stability at the operating conditions of feed composition, pressure, and temperature. Among the new type of membranes studied that show promising results are the inorganic-based and the metal-organic framework-based mixed-matrix membranes (MOF-MMMs). A MOF is a unique material that offers the possibility of tuning the porosity of a membrane by introducing diffusional channels and forming a compatible interface with the polymer. This review details the origins of these membranes and their evolution since the first inorganic/polymer and MOF/polymer MMMs were reported in the open literature. The most significant advancements made in terms of materials, properties, and testing conditions are described in a chronological fashion. View Full-Text
Keywords: gas separations; membranes; mixed-matrix membrane; MMM; zeolite; molecular sieves; metal-organic framework; MOF; ZIF; MOF-MMM gas separations; membranes; mixed-matrix membrane; MMM; zeolite; molecular sieves; metal-organic framework; MOF; ZIF; MOF-MMM
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Perez, E.V.; Karunaweera, C.; Musselman, I.H.; Balkus, K.J.; Ferraris, J.P. Origins and Evolution of Inorganic-Based and MOF-Based Mixed-Matrix Membranes for Gas Separations. Processes 2016, 4, 32.

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