Influence of Particle Size on the Performance of Polysulfone Magnetic Membranes for O2/N2 Separation

Magnetic mixed‐matrix membranes (MMMs) are fabricated using polysulfone (PSf) and iron oxide (Fe) for O2/N2 separation. The effects of Fe nanoparticle size and content on the performance of the membranes are investigated using a novel gas permeation unit in the presence of various magnetic fields. T...

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Veröffentlicht in:Chemical engineering & technology 2020-12, Vol.43 (12), p.2437-2446
Hauptverfasser: Raveshiyan, Saba, Karimi-Sabet, Javad, Hosseini, Seyed Saeid
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creator Raveshiyan, Saba
Karimi-Sabet, Javad
Hosseini, Seyed Saeid
description Magnetic mixed‐matrix membranes (MMMs) are fabricated using polysulfone (PSf) and iron oxide (Fe) for O2/N2 separation. The effects of Fe nanoparticle size and content on the performance of the membranes are investigated using a novel gas permeation unit in the presence of various magnetic fields. The results indicate that the O2 permeation is improved by adding Fe nanoparticles into the PSf matrix regardless of the particle size. Furthermore, the selectivity of PSf and PSf‐Fe membranes is considerably enhanced by applying a magnetic field during the permeation experiments. The O2 permeability and O2/N2 selectivity of PSf‐Fe50 MMMs in the presence of a magnetic field are higher than those of neat PSf membranes. Novel magnetic mixed‐matrix membranes were produced by incorporating iron oxide nanoparticles into a polysulfone matrix for O2/N2 separation. The presence of magnetic particles inside the membranes considerably enhances the gas permeability. By applying a magnetic field during the gas separation stage, the separation performance of the membranes obviously moved toward the Robeson's upper bound.
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source Wiley Online Library Journals Frontfile Complete
subjects Gas permeation
Iron oxide
Iron oxides
Magnetic fields
Magnetic membranes
Magnetic permeability
Membranes
Mixed‐matrix membranes
Nanoparticles
Oxygen/nitrogen separation
Particle size
Penetration
Polysulfone
Polysulfone resins
Selectivity
Separation
title Influence of Particle Size on the Performance of Polysulfone Magnetic Membranes for O2/N2 Separation
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