Surface Modification of Thin Film Composite Forward Osmosis Membrane Using Graphene Nanosheets for Water Desalination

Overview

Journal Sci Rep

Specialty Science

Date 2022 Dec 9

PMID 36481778

Authors

Fatma Mohamed El-Sayed

Mohamed E A Ali

Heba Isawi

M M Abo Aly

M M S Abo El-Fadl

Affiliations

Soon will be listed here.

Abstract

In this study, the main motivation of this work is desalination of water for irrigation arid area such as Sidri- Baba basins- south Sinai, Egypt. Also, the novelty of this work is modification of TFC surface membrane by mix of HA, DA and GO to get high performance of FO technique. Interfacial polymerization was employed to modify a thin-film composite (TFC) membrane for forward osmosis (FO) applications; moreover, graphene oxide (GO) nanosheets (GONs), a dopamine solution (DA), and naturally accessible humic acid (HA) were modified on a polyethersulfone (PES) substrate. The effects of the different quantities of GO, HA, and DA on the membrane surfaces, as well as their various cross-sectional morphologies and FO-desalination capabilities, were investigated. The integrated TFC membrane containing appropriate GO, HA, and DA blends outperformed the control membrane, obtaining high water flux, and high salt rejection. Furthermore,.

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