Fe3O4@Gum Arabic modified polyvinyl chloride membranes to improve antifouling performance and separation efficiency of organic pollutants

Vahid Vatanpour; Shadi Paziresh; Amir Hossein Behroozi; Hamid Karimi; Mir Saeed Esmaeili; Sina Parvaz; Siamak Imanian Ghazanlou; Ali Maleki

doi:10.1016/j.chemosphere.2023.138586

Fe₃O₄@Gum Arabic modified polyvinyl chloride membranes to improve antifouling performance and separation efficiency of organic pollutants

Chemosphere. 2023 Jul:328:138586. doi: 10.1016/j.chemosphere.2023.138586. Epub 2023 Apr 5.

Authors

Vahid Vatanpour¹, Shadi Paziresh², Amir Hossein Behroozi³, Hamid Karimi⁴, Mir Saeed Esmaeili⁵, Sina Parvaz⁶, Siamak Imanian Ghazanlou⁷, Ali Maleki⁸

Affiliations

¹ Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911, Tehran, Iran; National Research Center on Membrane Technologies, Istanbul Technical University 34469 Istanbul, Turkiye; Department of Environmental Engineering, Istanbul Technical University, 34469, Istanbul, Turkiye. Electronic address: vahidvatanpour@khu.ac.ir.
² Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911, Tehran, Iran.
³ School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran.
⁴ Central Chemistry Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran; Nano Material Laboratory, School of Advanced Technologies, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
⁵ Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, 16846-13114, Tehran, Iran; Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
⁶ Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, 16846-13114, Tehran, Iran.
⁷ Nano Material Laboratory, School of Advanced Technologies, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
⁸ Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, 16846-13114, Tehran, Iran. Electronic address: Maleki@iust.ac.ir.

PMID: 37028725
DOI: 10.1016/j.chemosphere.2023.138586

Abstract

Nanofiltration (NF) membranes are promising media for water and wastewater treatment; however, they suffer from their hydrophobic nature and low permeability. For this reason, the polyvinyl chloride (PVC) NF membrane was modified by iron (III) oxide@Gum Arabic (Fe₃O₄@GA) nanocomposite. First, Fe₃O₄@GA nanocomposite was synthesized by the co-precipitation approach and then its morphology, elemental composition, thermal stability, and functional groups were characterized by various analyses. Next, the prepared nanocomposite was added to the casting solution of the PVC membrane. The bare and modified membranes were fabricated by a nonsolvent-induced phase separation (NIPS) method. The characteristics of fabricated membranes were assessed by mechanical strength, water contact angle, pore size, and porosity measurements. The optimum Fe₃O₄@GA/PVC membrane had a 52 L m^-2. h^-1. bar^-1 water flux with a high flux recovery ratio (FRR) value (82%). Also, the filtration experiment exhibited that the Fe₃O₄@GA/PVC membrane could remarkably remove organic contaminants, achieving high rejection rates of 98% Reactive Red-195, 95% Reactive Blue-19, and 96% Rifampicin antibiotic by 0.25 wt% of Fe₃O₄@GA/PVC membrane. According to the results, adding Fe₃O₄@GA green nanocomposite to the membrane casting solution is a suitable and efficient procedure for modifying NF membranes.

Keywords: Fe(3)O(4)@GA nanocomposite; Mixed matrix membrane; Nanofiltration; Organic pollutants; Water treatment.

MeSH terms

Biofouling* / prevention & control
Gum Arabic
Membranes, Artificial
Polyvinyl Chloride*
Water / chemistry

Substances

Polyvinyl Chloride
Gum Arabic
Membranes, Artificial
Water