Cover Image

Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion

Although polymeric membranes find important role in water and waste water treatment in recent years, their fouling is still an important problem. Application of hydrophilic nanoparticles (NPs) is one of the proposed methods for reducing fouling of membranes but their dispersion and stability in hydr...

Full description

Saved in:
Bibliographic Details
Main Authors: Akbari, Mahdi, Niassar, Mojtaba Shariaty, Matsuura, Takeshi, Ismail, Ahmad Fauzi
Format: Article
Published: Academic Press Inc 2018
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/84237/
http://dx.doi.org/10.1016/j.jcis.2018.05.012
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.utm.84237
record_format eprints
spelling my.utm.842372019-12-16T03:15:45Z http://eprints.utm.my/id/eprint/84237/ Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion Akbari, Mahdi Niassar, Mojtaba Shariaty Matsuura, Takeshi Ismail, Ahmad Fauzi TP Chemical technology Although polymeric membranes find important role in water and waste water treatment in recent years, their fouling is still an important problem. Application of hydrophilic nanoparticles (NPs) is one of the proposed methods for reducing fouling of membranes but their dispersion and stability in hydrophobic polymer matrix is challenging. In this study Janus functionalization of the NPs was introduced as a promising technique toward achieving this goal. Polysulfone (PSf) membranes containing various concentrations of graphene oxide (GO) nanosheets and Janus graphene oxide (Janus GO) nanosheets (as additives) were fabricated via phase inversion. The synthesized nanosheets were characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), Raman spectroscopy and dynamic light scattering (DLS). The prepared membranes also were then characterized by scanning electron microscopy (SEM), contact angle (CA), water uptake, porosity, mean pore size and casting solution viscosity. The membrane performance was also tested by determining pure water flux (PWF), bovine serum albumin (BSA) separation, flux reduction by fouling and flux recovery. CA reduced from 85° to 68° and PWF increased from 23.15 L/m2 h to 230.61 L/m2 h for PSF and Janus GO nanosheets containing membrane, respectively. Also investigation of antifouling performance of membranes revealed that membrane with the 1 wt.% of Janus GO nanosheets had higher water flux recovery ratio (FRR) and lower irreversible fouling (Rir) of 84% and 16%, respectively. These improvements were attributed to the better dispersion and stability of Janus GO nanosheets in the prepared mixed matrix membranes. Academic Press Inc 2018-10 Article PeerReviewed Akbari, Mahdi and Niassar, Mojtaba Shariaty and Matsuura, Takeshi and Ismail, Ahmad Fauzi (2018) Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion. Journal of Colloid and Interface Science, 527 . pp. 10-24. ISSN 0021-9797 http://dx.doi.org/10.1016/j.jcis.2018.05.012
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Akbari, Mahdi
Niassar, Mojtaba Shariaty
Matsuura, Takeshi
Ismail, Ahmad Fauzi
Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion
description Although polymeric membranes find important role in water and waste water treatment in recent years, their fouling is still an important problem. Application of hydrophilic nanoparticles (NPs) is one of the proposed methods for reducing fouling of membranes but their dispersion and stability in hydrophobic polymer matrix is challenging. In this study Janus functionalization of the NPs was introduced as a promising technique toward achieving this goal. Polysulfone (PSf) membranes containing various concentrations of graphene oxide (GO) nanosheets and Janus graphene oxide (Janus GO) nanosheets (as additives) were fabricated via phase inversion. The synthesized nanosheets were characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), Raman spectroscopy and dynamic light scattering (DLS). The prepared membranes also were then characterized by scanning electron microscopy (SEM), contact angle (CA), water uptake, porosity, mean pore size and casting solution viscosity. The membrane performance was also tested by determining pure water flux (PWF), bovine serum albumin (BSA) separation, flux reduction by fouling and flux recovery. CA reduced from 85° to 68° and PWF increased from 23.15 L/m2 h to 230.61 L/m2 h for PSF and Janus GO nanosheets containing membrane, respectively. Also investigation of antifouling performance of membranes revealed that membrane with the 1 wt.% of Janus GO nanosheets had higher water flux recovery ratio (FRR) and lower irreversible fouling (Rir) of 84% and 16%, respectively. These improvements were attributed to the better dispersion and stability of Janus GO nanosheets in the prepared mixed matrix membranes.
format Article
author Akbari, Mahdi
Niassar, Mojtaba Shariaty
Matsuura, Takeshi
Ismail, Ahmad Fauzi
author_facet Akbari, Mahdi
Niassar, Mojtaba Shariaty
Matsuura, Takeshi
Ismail, Ahmad Fauzi
author_sort Akbari, Mahdi
title Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion
title_short Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion
title_full Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion
title_fullStr Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion
title_full_unstemmed Janus graphene oxide nanosheet: A promising additive for enhancement of polymeric membranes performance prepared via phase inversion
title_sort janus graphene oxide nanosheet: a promising additive for enhancement of polymeric membranes performance prepared via phase inversion
publisher Academic Press Inc
publishDate 2018
url http://eprints.utm.my/id/eprint/84237/
http://dx.doi.org/10.1016/j.jcis.2018.05.012
_version_ 1654960059589853184
score 13.211869

Similar Items