Pebax® 2533/PVDF thin film mixed matrix membranes containing MIL-101 (Fe)/GO composite for CO(2) capture.

MIL-101 (Fe) and MIL-GO composites were successfully synthesized and used as fillers for the preparation of Pebax® 2533/PVDF thin film MMMs for CO2/N2 separation. The defect-free Pebax® 2533/PVDF thin film MMMs were fabricated by casting the Pebax solution containing fillers on the PVDF support. The presence of GO nanosheets in the reaction solution did not destroy the crystal structure of MIL-101 (Fe). However, the BET surface area and total pore volume of MIL-GO decreased dramatically, comparing with MIL-101 (Fe). The incorporation of MIL-GO-2 into Pebax matrix simultaneously increased the CO2 permeability and the CO2/N2 ideal selectivity of Pebax® 2533/PVDF thin film MMMs mainly owing to the porous structure of MIL-GO-2, and the tortuous diffusion pathways created by GO nanosheets. MMMs containing 9.1 wt% MIL-GO-2 exhibited the highest CO2 permeability equal to 303 barrer (1 barrer = 10-10 cm3 (STP) cm cm-2 s-1 cmHg-1) and the highest CO2/N2 ideal selectivity equal to 24. Pebax-based MMMs containing composite fillers showed higher gas separation performance than the Pebax-based MMMs containing single filler (GO or MOFs). Therefore, the synthesis and utilization of 3D@2D composite filler demonstrated great potential in the preparation of high-performance MMMs for gas separation processes.

Li G ，Kujawski W ，Knozowska K ，Kujawa J ... -  《RSC Advances》

Carbon Dioxide Enrichment PEBAX/MOF Composite Membrane for CO(2) Separation.

Tang PH ，So PB ，Li WH ，Hui ZY ，Hu CC ，Lin CH ... -  《Membranes》

Mixed matrix membranes with fast and selective transport pathways for efficient CO(2) separation.

Hou J ，Li X ，Guo R ，Zhang J ，Wang Z ... -  《-》

Preparation of Pebax 1657/MAF-7 Mixed Matrix Membranes with Enhanced CO(2)/N(2) Separation by Active Site of Triazole Ligand.

Wang X ，Zhang Y ，Chen X ，Wang Y ，He M ，Shan Y ，Li Y ，Zhang F ，Chen X ，Kita H ... -  《Membranes》

Efficient CO2 capture by functionalized graphene oxide nanosheets as fillers to fabricate multi-permselective mixed matrix membranes.

Li X ，Cheng Y ，Zhang H ，Wang S ，Jiang Z ，Guo R ，Wu H ... -  《-》