Azine-Linked Covalent Organic Framework (COF)-Based Mixed-Matrix Membranes for CO2/CH4 Separation
Meixia Shan (TU Delft - ChemE/Catalysis Engineering)
B. Seoane de la Cuesta (Universiteit Utrecht)
Elena Rozhko (TU Delft - ChemE/Catalysis Engineering)
Alla Dikhtiarenko (TU Delft - ChemE/Catalysis Engineering)
Guillaume Clet (Normandie University)
Freek Kapteijn (TU Delft - ChemE/Catalysis Engineering)
J. Gascon (TU Delft - ChemE/Catalysis Engineering)
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Abstract
Mixed-matrix membranes (MMMs) comprising Matrimid and a microporous azine-linked covalent organic frameworks (ACOF-1) were prepared and tested in the separation of CO2 from an equimolar CO2/CH4 mixture. The COF-based MMMs show a more than doubling of the CO2 permeability upon 16 wt % ACOF-1 loading together with a slight increase in selectivity compared to the bare polymer. These results show the potential of COFs in the preparation of MMMs.
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