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Resilient forward osmosis membranes against microplastics fouling enhanced by MWCNTs/UiO-66-NH2 hybrid nanoparticles

Chemosphere 2024 19 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Mohadeseh Najafi, Mohadeseh Najafi, Mitra Golgoli, Mitra Golgoli, Mitra Golgoli, Javad Farahbakhsh, Mitra Golgoli, Javad Farahbakhsh, Javad Farahbakhsh, Mitra Golgoli, Mitra Golgoli, Mitra Golgoli, Mitra Golgoli, Mitra Golgoli, Mohadeseh Najafi, Mehdi Khiadani, Mohadeseh Najafi, Mohadeseh Najafi, Javad Farahbakhsh, Javad Farahbakhsh, Mohadeseh Najafi, Mohadeseh Najafi, Javad Farahbakhsh, Mitra Golgoli, Javad Farahbakhsh, Mehdi Khiadani, Mehdi Khiadani, Mehdi Khiadani, Mitra Golgoli, Javad Farahbakhsh, Javad Farahbakhsh, Javad Farahbakhsh, Mohadeseh Najafi, Mohadeseh Najafi, Mohadeseh Najafi, Mohadeseh Najafi, Masoumeh Zargar Masoumeh Zargar Mohadeseh Najafi, Mohadeseh Najafi, Masoumeh Zargar Mohadeseh Najafi, Mitra Golgoli, Mitra Golgoli, Javad Farahbakhsh, Mitra Golgoli, Mehdi Khiadani, Mehdi Khiadani, Mehdi Khiadani, Mehdi Khiadani, Mohadeseh Najafi, Mehdi Khiadani, Masoumeh Zargar Michael L. Johns, Mohadeseh Najafi, Mehdi Khiadani, Mehdi Khiadani, Michael L. Johns, Masoumeh Zargar Masoumeh Zargar Masoumeh Zargar Mehdi Khiadani, Michael L. Johns, Mehdi Khiadani, Mehdi Khiadani, Michael L. Johns, Michael L. Johns, Michael L. Johns, Masoumeh Zargar Masoumeh Zargar Michael L. Johns, Masoumeh Zargar Masoumeh Zargar Michael L. Johns, Masoumeh Zargar Masoumeh Zargar Masoumeh Zargar Masoumeh Zargar Masoumeh Zargar Masoumeh Zargar Masoumeh Zargar

Summary

Researchers developed improved forward osmosis membranes by incorporating hybrid nanoparticles made of multi-wall carbon nanotubes and metal-organic frameworks to resist microplastic fouling. The modified membranes showed enhanced performance and greater resistance to clogging by microplastic particles. The study presents a promising approach for improving membrane-based water treatment systems that need to handle microplastic-contaminated wastewater.

Polymers

Study Type Environmental

The escalating presence of microplastics (MPs) in wastewater necessitates the investigation of effective tertiary treatment process. Forward osmosis (FO) emerges as an effective non-pressurized membrane process, however, for the effective implementation of FO systems, the development of fouling-resistance FO membranes with high-performance is essential. This study focuses on the integration of MWCNT/UiO-66-NH as metal-organic frameworks (MOFs) and multi-wall carbon nanotubes (MWCNT) nanocomposites in thin film composite (TFC) FO membranes, harnessing the synergistic power of hybrid nanoparticles in FO membranes. The results showed that the addition of MWCNT/UiO-66-NH in the aqueous phase during polyamide formation changed the polyamide surface structure, and enhanced membranes' hydrophilicity by 44%. The water flux of the modified FO membrane incorporated with 0.1 wt% MWCNTs/UiO-66-NH increased by 67% and the reverse salt flux decreased by 22% as in comparison with the control membrane. Moreover, the modified membrane showed improved antifouling behavior against both organic foulant and MPs. The MWCNT/UiO-66-NH membrane experienced 35% flux decline while the control membrane experienced 65% flux decline. This proves that the integration of MWCNT/UiO-66-NH nanoparticles into TFC FO membranes is a viable approach in creating advanced FO membranes with high antifouling propensity with potential to be expanded further to other membrane applications.

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