Influence of silica nanoparticles on the desalination performance of forward osmosis polybenzimidazole membranes

Sahar Daer; Nawshad Akther; Qiang Wei; Ho Kyong Shon; Shadi W. Hasan

doi:10.1016/j.desal.2020.114441

Influence of silica nanoparticles on the desalination performance of forward osmosis polybenzimidazole membranes

Sahar Daer
, Nawshad Akther
, Qiang Wei
, Ho Kyong Shon
, Shadi W. Hasan

Chemical and Petroleum Engineering

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

26 Scopus citations

Abstract

Polybenzimidazole (PBI) is a chemically and thermally stable polymer, which is being considered for forward osmosis (FO) seawater desalination in regions with high seawater temperatures and salinities. In this work, FO flat sheet membranes were fabricated using non-solvent induced phase separation (NIPS) method from PBI dope solution incorporated with silica nanoparticles (SNPs) at different concentrations (0, 0.5, 1 and 2 wt%). The influence of draw solution concentration, cross-flow velocity and membrane cell orientation on the performance of pristine PBI and PBI/SNP membranes was examined. Results showed that the performance of the PBI/SNP membranes improved compared to the pristine PBI membrane. Addition of 0.5 wt% of SNPs to PBI membranes (S0.5) reduced the membrane's structural parameter (809.4 μm vs. 1193.2 μm), augmented the tensile strength (31.9 MPa vs. 27.3 MPa), and increased water flux by two folds (16.9 Lm⁻² h⁻¹ vs. 7.4 Lm⁻² h⁻¹) compared to the pristine PBI membrane (S0). Given the thermal stability of the PBI/SNP membrane along with its improved water permeation performance, the modified membrane offers a promising option for the FO process in hot and arid zones.

Original language	British English
Article number	114441
Journal	Desalination
Volume	491
DOIs	https://doi.org/10.1016/j.desal.2020.114441
State	Published - 1 Oct 2020

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 6 Clean Water and Sanitation

Keywords

Desalination
Forward osmosis
Membrane
Polybenzimidazole
Silica nanoparticles

Access to Document

10.1016/j.desal.2020.114441

OpenUrl availability

Full text

Cite this

@article{dbb8209af02e49938f6e71652121845b,

title = "Influence of silica nanoparticles on the desalination performance of forward osmosis polybenzimidazole membranes",

abstract = "Polybenzimidazole (PBI) is a chemically and thermally stable polymer, which is being considered for forward osmosis (FO) seawater desalination in regions with high seawater temperatures and salinities. In this work, FO flat sheet membranes were fabricated using non-solvent induced phase separation (NIPS) method from PBI dope solution incorporated with silica nanoparticles (SNPs) at different concentrations (0, 0.5, 1 and 2 wt\%). The influence of draw solution concentration, cross-flow velocity and membrane cell orientation on the performance of pristine PBI and PBI/SNP membranes was examined. Results showed that the performance of the PBI/SNP membranes improved compared to the pristine PBI membrane. Addition of 0.5 wt\% of SNPs to PBI membranes (S0.5) reduced the membrane's structural parameter (809.4 μm vs. 1193.2 μm), augmented the tensile strength (31.9 MPa vs. 27.3 MPa), and increased water flux by two folds (16.9 Lm−2 h−1 vs. 7.4 Lm−2 h−1) compared to the pristine PBI membrane (S0). Given the thermal stability of the PBI/SNP membrane along with its improved water permeation performance, the modified membrane offers a promising option for the FO process in hot and arid zones.",

keywords = "Desalination, Forward osmosis, Membrane, Polybenzimidazole, Silica nanoparticles",

author = "Sahar Daer and Nawshad Akther and Qiang Wei and Shon, \{Ho Kyong\} and Hasan, \{Shadi W.\}",

note = "Funding Information: Authors would like to thank Trevi Systems, Inc. (USA), Masdar and Masdar Institute of Science and Technology (as part of Khalifa University of Science and Technology) for supporting this research study (Grant. No. EX2014-000040 ). The Center for Membranes and Advanced Water Technology (CMAT) at Khalifa University of Science and Technology is also acknowledged. Funding Information: Authors would like to thank Trevi Systems, Inc. (USA), Masdar and Masdar Institute of Science and Technology (as part of Khalifa University of Science and Technology) for supporting this research study (Grant. No. EX2014-000040). The Center for Membranes and Advanced Water Technology (CMAT) at Khalifa University of Science and Technology is also acknowledged. Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

month = oct,

day = "1",

doi = "10.1016/j.desal.2020.114441",

language = "British English",

volume = "491",

journal = "Desalination",

issn = "0011-9164",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Influence of silica nanoparticles on the desalination performance of forward osmosis polybenzimidazole membranes

AU - Daer, Sahar

AU - Akther, Nawshad

AU - Wei, Qiang

AU - Shon, Ho Kyong

AU - Hasan, Shadi W.

N1 - Funding Information: Authors would like to thank Trevi Systems, Inc. (USA), Masdar and Masdar Institute of Science and Technology (as part of Khalifa University of Science and Technology) for supporting this research study (Grant. No. EX2014-000040 ). The Center for Membranes and Advanced Water Technology (CMAT) at Khalifa University of Science and Technology is also acknowledged. Funding Information: Authors would like to thank Trevi Systems, Inc. (USA), Masdar and Masdar Institute of Science and Technology (as part of Khalifa University of Science and Technology) for supporting this research study (Grant. No. EX2014-000040). The Center for Membranes and Advanced Water Technology (CMAT) at Khalifa University of Science and Technology is also acknowledged. Publisher Copyright: © 2020 Elsevier B.V.

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Polybenzimidazole (PBI) is a chemically and thermally stable polymer, which is being considered for forward osmosis (FO) seawater desalination in regions with high seawater temperatures and salinities. In this work, FO flat sheet membranes were fabricated using non-solvent induced phase separation (NIPS) method from PBI dope solution incorporated with silica nanoparticles (SNPs) at different concentrations (0, 0.5, 1 and 2 wt%). The influence of draw solution concentration, cross-flow velocity and membrane cell orientation on the performance of pristine PBI and PBI/SNP membranes was examined. Results showed that the performance of the PBI/SNP membranes improved compared to the pristine PBI membrane. Addition of 0.5 wt% of SNPs to PBI membranes (S0.5) reduced the membrane's structural parameter (809.4 μm vs. 1193.2 μm), augmented the tensile strength (31.9 MPa vs. 27.3 MPa), and increased water flux by two folds (16.9 Lm−2 h−1 vs. 7.4 Lm−2 h−1) compared to the pristine PBI membrane (S0). Given the thermal stability of the PBI/SNP membrane along with its improved water permeation performance, the modified membrane offers a promising option for the FO process in hot and arid zones.

AB - Polybenzimidazole (PBI) is a chemically and thermally stable polymer, which is being considered for forward osmosis (FO) seawater desalination in regions with high seawater temperatures and salinities. In this work, FO flat sheet membranes were fabricated using non-solvent induced phase separation (NIPS) method from PBI dope solution incorporated with silica nanoparticles (SNPs) at different concentrations (0, 0.5, 1 and 2 wt%). The influence of draw solution concentration, cross-flow velocity and membrane cell orientation on the performance of pristine PBI and PBI/SNP membranes was examined. Results showed that the performance of the PBI/SNP membranes improved compared to the pristine PBI membrane. Addition of 0.5 wt% of SNPs to PBI membranes (S0.5) reduced the membrane's structural parameter (809.4 μm vs. 1193.2 μm), augmented the tensile strength (31.9 MPa vs. 27.3 MPa), and increased water flux by two folds (16.9 Lm−2 h−1 vs. 7.4 Lm−2 h−1) compared to the pristine PBI membrane (S0). Given the thermal stability of the PBI/SNP membrane along with its improved water permeation performance, the modified membrane offers a promising option for the FO process in hot and arid zones.

KW - Desalination

KW - Forward osmosis

KW - Membrane

KW - Polybenzimidazole

KW - Silica nanoparticles

UR - https://www.scopus.com/pages/publications/85086938601

U2 - 10.1016/j.desal.2020.114441

DO - 10.1016/j.desal.2020.114441

M3 - Article

AN - SCOPUS:85086938601

SN - 0011-9164

VL - 491

JO - Desalination

JF - Desalination

M1 - 114441

ER -

Influence of silica nanoparticles on the desalination performance of forward osmosis polybenzimidazole membranes

Abstract

UN SDGs

Keywords

Access to Document

OpenUrl availability

Other files and links

Fingerprint

Cite this