Fabrication and characterization of PES based nanofiltration membrane using bio-inspired iron (III)-dopamine nanoparticles

Parvizian, Fahime; Ebrahimi, Mojgan; Bandehali, Samaneh; Alimadadi, Arash

doi:10.61186/CNJ.2.3.336

Fabrication and characterization of PES based nanofiltration membrane using bio-inspired iron (III)-dopamine nanoparticles

Document Type : Original Article

Authors

Fahime Parvizian ¹

Mojgan Ebrahimi ¹

Samaneh Bandehali ²

Arash Alimadadi ¹

¹ Department of Chemical Engineering, Arak university, Arak 38156-8-8349, Iran

² Department of Mechanical Engineering, Ayatollah Boroujerdi University, Boroujerd 69199-69737, Iran

10.61186/CNJ.2.3.336

Abstract

This paper presents a study on the modification of nanofiltration membranes with bio-inspired iron (III)-dopamine nanoparticles in a polymer solution. The membranes were produced using the immersion precipitation technique with the incorporation of dopamine, polyvinyl pyrrolidone, and dimethylacetamide. The study evaluated the properties of the nanocomposite membranes, including water content, surface morphology, and their performance was characterized through SEM, contact angle goniometry, pure water flux, and rejection of NaCl and humic acid. The findings revealed that membranes containing 0.1 wt.% bio-inspired iron (III)-dopamine nanoparticles exhibited the best overall performance, with enhanced hydrophilicity, anti-fouling properties, and salt rejection efficiency. This optimal concentration also minimized fouling and improved the flux recovery ratio compared to other concentrations, highlighting its potential for water treatment applications

Keywords

Nanofiltration membrane

Water treatment

Bio-inspired iron (III)-dopamine nanoparticles

Anti-fouling properties

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