Abstract
AbstractMixed‐matrix membranes (MMMs) comprised of polydimethylsiloxane (PDMS) as continuous and zeolite (ZSM‐5) as dispersed phase have been prepared to investigate CO2 separation from gas mixtures, focusing on the high solubility of CO2 in ZSM‐5/PDMS MMMs for separating CO2‐N2 mixtures. ZSM‐5 incorporation in PDMS significantly increases the permeability of single gases and a similar effect is observed for gas mixtures. Membrane performance is evaluated using the Maxwell model; an interphase gap between the filler and the polymeric phase is identified. A modified Maxwell model is applied to account for this additional transport through the membrane.
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