Abstract
In recent years, mixed matrix membranes (MMMs) have been used more often in separation processes due to their excellent properties. These membranes combine the advantages of two main components, the polymer continuous and the nanoparticle dispersion phases. Block copolymers such as poly(ether-block-amide, PEBA) seems to be excellent materials for the membranes synthesis. This work aims to provide an overview of membranes made of PEBA doped with two different aminocompounds of various concentrations and their effect for CO2 sorption and separation. Most samples indicated the CO2 sorption improvement compared to the pristine PEBA. It strongly depends on concentration. The most significant changes were observed at MMM doped with 2.5% TEPA or 1% HDA. Samples were tested for the separation of binary CO2/CH4 mixture and that proved the effect on separation efficiency.
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