Performance improvement of polyethersulfone membranes with Ti3AlCN MAX phase in the treatment of organic and inorganic pollutants

In this work, the hydrophobic polyethersulfone (PES) membrane was modified by incorporating Ti3AlCN MAX phase. Synthesis of Ti3AlCN MAX phase was performed using the reactive sintering method. The scanning electron microscopy (SEM) images showed a 3D compressed layered morphology for the synthesized...

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Veröffentlicht in:Chemosphere (Oxford) 2024-08, Vol.362, p.142583, Article 142583
Hauptverfasser: Vatanpour, Vahid, Naziri Mehrabani, Seyed Ali, Dehqan, Ahmad, Arefi-Oskoui, Samira, Orooji, Yasin, Khataee, Alireza, Koyuncu, Ismail
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Sprache:eng
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Zusammenfassung:In this work, the hydrophobic polyethersulfone (PES) membrane was modified by incorporating Ti3AlCN MAX phase. Synthesis of Ti3AlCN MAX phase was performed using the reactive sintering method. The scanning electron microscopy (SEM) images showed a 3D compressed layered morphology for the synthesized MAX phase. The Ti3AlCN MAX phase was added to the casting solution, and the mixed-matrix membranes were fabricated by the non-solvent induced phase inversion method. The performance and antifouling features of bare and modified membranes were explored by pure water flux, flux recovery ratio (FRR), and fouling resistance parameters. Through the modification of membranes by introducing the Ti3AlCN MAX phase, the enhancement of these features was observed, in which the membrane containing 1 wt% of MAX phase showed 17.7 L/m2.h.bar of permeability and 98.6% for FRR. Also, the separation efficiency of all membranes was evaluated by rejecting organic and inorganic pollutants. The Ti3AlCN MAX membranes could reject 96%, 95%, and 88% of reactive blue 50, Rose Bengal, and azithromycin antibiotics, respectively, as well as 98%, 80%, 86%, and 36% of Pb2+, As5+, Na2SO4, and NaCl, respectively. Finally, the outcomes indicated the Ti3AlCN MAX phase was an excellent and efficient novel additive for modifying the PES membrane. [Display omitted] •The PES membrane was successfully modified by the Ti3AlCN MAX phase.•The Ti3AlCN MAX 1.0 wt%/PES membrane showed 53 L/m2 h flux.•The antifouling of PES membrane was improved by adding Ti3AlCN MAX phase.•Ti3AlCN MAX/PES membranes presented high removal efficiency for the pollutants.
ISSN:0045-6535
1879-1298
1879-1298
DOI:10.1016/j.chemosphere.2024.142583