Synthesis of polyethersulfone (PES)/GO-SiO2 mixed matrix membranes for oily wastewater treatment

Maryam B. Alkindy; Vincenzo Naddeo; Fawzi Banat; Shadi W. Hasan

doi:10.2166/wst.2019.347

Synthesis of polyethersulfone (PES)/GO-SiO₂ mixed matrix membranes for oily wastewater treatment

Maryam B. Alkindy, Vincenzo Naddeo, Fawzi Banat, Shadi W. Hasan

Chemical and Petroleum Engineering

University of Salerno

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

The treatment of oily wastewater continues to pose a challenge in industries worldwide. Membranes have been investigated for their use in oily wastewater treatment due to their efficiency and relatively facile operational process. Graphene oxide (GO) and SiO₂ nanoparticles were found to improve membrane properties. A polyethersulfone (PES) based GO-SiO₂ mixed matrix membrane (MMM) was prepared, using the phase inversion technique, for the treatment of oil refinery wastewater. The PES/GO-SiO₂ membrane demonstrated the highest water flux (2561 LMH) and a 38% increase in oil removal efficiency by comparison to a PES membrane. Compared to PES/GO and PES/SiO₂ membranes, the PES/GO-SiO₂ MMM also showed the best overall properties in terms of tensile strength, water permeability, and hydrophilicity. The difference in oil rejection values across the membranes was attributed to the increasing negative charges on the surface of the modified membranes which interfered with the positive ions present in the oily wastewater sample.

Original language	British English
Pages (from-to)	1354-1364
Number of pages	11
Journal	Water Science and Technology
Volume	81
Issue number	7
DOIs	https://doi.org/10.2166/wst.2019.347
State	Published - 1 Apr 2020

Keywords

Graphene oxide
Mixed matrix membranes
Oily wastewater
Phase inversion
Silica

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10.2166/wst.2019.347

Cite this

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title = "Synthesis of polyethersulfone (PES)/GO-SiO2 mixed matrix membranes for oily wastewater treatment",

abstract = "The treatment of oily wastewater continues to pose a challenge in industries worldwide. Membranes have been investigated for their use in oily wastewater treatment due to their efficiency and relatively facile operational process. Graphene oxide (GO) and SiO2 nanoparticles were found to improve membrane properties. A polyethersulfone (PES) based GO-SiO2 mixed matrix membrane (MMM) was prepared, using the phase inversion technique, for the treatment of oil refinery wastewater. The PES/GO-SiO2 membrane demonstrated the highest water flux (2561 LMH) and a 38\% increase in oil removal efficiency by comparison to a PES membrane. Compared to PES/GO and PES/SiO2 membranes, the PES/GO-SiO2 MMM also showed the best overall properties in terms of tensile strength, water permeability, and hydrophilicity. The difference in oil rejection values across the membranes was attributed to the increasing negative charges on the surface of the modified membranes which interfered with the positive ions present in the oily wastewater sample.",

keywords = "Graphene oxide, Mixed matrix membranes, Oily wastewater, Phase inversion, Silica",

author = "Alkindy, \{Maryam B.\} and Vincenzo Naddeo and Fawzi Banat and Hasan, \{Shadi W.\}",

note = "Funding Information: This publication is based upon work supported by the Khalifa University under Award No. RC2-2018-009.",

year = "2020",

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doi = "10.2166/wst.2019.347",

language = "British English",

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T1 - Synthesis of polyethersulfone (PES)/GO-SiO2 mixed matrix membranes for oily wastewater treatment

AU - Alkindy, Maryam B.

AU - Naddeo, Vincenzo

AU - Banat, Fawzi

AU - Hasan, Shadi W.

N1 - Funding Information: This publication is based upon work supported by the Khalifa University under Award No. RC2-2018-009.

PY - 2020/4/1

Y1 - 2020/4/1

N2 - The treatment of oily wastewater continues to pose a challenge in industries worldwide. Membranes have been investigated for their use in oily wastewater treatment due to their efficiency and relatively facile operational process. Graphene oxide (GO) and SiO2 nanoparticles were found to improve membrane properties. A polyethersulfone (PES) based GO-SiO2 mixed matrix membrane (MMM) was prepared, using the phase inversion technique, for the treatment of oil refinery wastewater. The PES/GO-SiO2 membrane demonstrated the highest water flux (2561 LMH) and a 38% increase in oil removal efficiency by comparison to a PES membrane. Compared to PES/GO and PES/SiO2 membranes, the PES/GO-SiO2 MMM also showed the best overall properties in terms of tensile strength, water permeability, and hydrophilicity. The difference in oil rejection values across the membranes was attributed to the increasing negative charges on the surface of the modified membranes which interfered with the positive ions present in the oily wastewater sample.

AB - The treatment of oily wastewater continues to pose a challenge in industries worldwide. Membranes have been investigated for their use in oily wastewater treatment due to their efficiency and relatively facile operational process. Graphene oxide (GO) and SiO2 nanoparticles were found to improve membrane properties. A polyethersulfone (PES) based GO-SiO2 mixed matrix membrane (MMM) was prepared, using the phase inversion technique, for the treatment of oil refinery wastewater. The PES/GO-SiO2 membrane demonstrated the highest water flux (2561 LMH) and a 38% increase in oil removal efficiency by comparison to a PES membrane. Compared to PES/GO and PES/SiO2 membranes, the PES/GO-SiO2 MMM also showed the best overall properties in terms of tensile strength, water permeability, and hydrophilicity. The difference in oil rejection values across the membranes was attributed to the increasing negative charges on the surface of the modified membranes which interfered with the positive ions present in the oily wastewater sample.

KW - Graphene oxide

KW - Mixed matrix membranes

KW - Oily wastewater

KW - Phase inversion

KW - Silica

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