Metal Organic Framework Crystals in Mixed-Matrix Membranes: Impact of the Filler Morphology on the Gas Separation Performance.

ABSTRACT: Mixed-matrix membranes (MMMs) comprising NH₂-MIL-53(Al) and Matrimid^® or 6FDA-DAM have been investigated. The MOF loading has been varied between 5 and 20 wt%, while NH₂-MIL-53(Al) with three different morphologies: nanoparticles, nanorods and microneedles have been dispersed in Matrimid^®. The synthesized membranes have been tested in the separation of CO₂ from CH₄ in an equimolar mixture. At 3 bar and 298 K for 8 wt% MOF loading, incorporation of NH₂-MIL-53(Al) nanoparticles leads to the largest improvement compared to nanorods and microneedles. The incorporation of the best performing filler, i.e. NH₂-MIL-53(Al) nanoparticles, to the highly permeable 6FDA-DAM has a larger effect, and the CO

SUBMITTER: Sabetghadam A 

PROVIDER: S-EPMC5706632 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature