Optimization of polymeric membrane characteristics through thermal treatment and deposition of polyelectrolyte layers using response surface modeling

Law Yong Ng, Abdul Wahab Mohammad, Ching Yin Ng, Rosiah Rohani

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Improvement in polyethersulfone membrane performance by employing thermal treatment and deposition of polyelectrolyte layers was proposed. High molecular weight polyelectrolytes were used in the formation of polyelectrolyte multilayers in the presence of various concentrations of supporting electrolyte. Interactions between the membrane thermal treatment duration and salt concentration in a polyelectrolyte solution were evaluated and optimized using response surface methodology. The predictive models showed good fittings between the experimental and model predicted values, which confirmed the precision and reliability of the regression models. Confirmation run was conducted using the thermal treatment duration of 17.07 min and 1.70 M of the supporting electrolyte concentration in the polyelectrolyte solution. The pure water permeability, NaCl rejection, MgSO4 rejection, Na2SO4 rejection, selectivity of NaCl/Na2SO4, and selectivity of MgSO4/Na2SO4 obtained were 6.51 L·m-2·h-1·bar-1, 45.41%, 69.14%, 85.79%, 3.84, and 2.17, respectively.

Original languageEnglish
Article number21472
JournalAdvances in Polymer Technology
Volume34
Issue number1
DOIs
Publication statusPublished - 1 Mar 2015

Fingerprint

Polymeric membranes
Polyelectrolytes
Heat treatment
Electrolytes
Membranes
Multilayers
Salts
Molecular weight
Water

Keywords

  • Coatings
  • Modeling
  • Polyelectrolyte
  • Self-assembly
  • Thin films

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Organic Chemistry
  • Polymers and Plastics

Cite this

@article{4924624b41474e0fa6d85d87cf74767b,
title = "Optimization of polymeric membrane characteristics through thermal treatment and deposition of polyelectrolyte layers using response surface modeling",
abstract = "Improvement in polyethersulfone membrane performance by employing thermal treatment and deposition of polyelectrolyte layers was proposed. High molecular weight polyelectrolytes were used in the formation of polyelectrolyte multilayers in the presence of various concentrations of supporting electrolyte. Interactions between the membrane thermal treatment duration and salt concentration in a polyelectrolyte solution were evaluated and optimized using response surface methodology. The predictive models showed good fittings between the experimental and model predicted values, which confirmed the precision and reliability of the regression models. Confirmation run was conducted using the thermal treatment duration of 17.07 min and 1.70 M of the supporting electrolyte concentration in the polyelectrolyte solution. The pure water permeability, NaCl rejection, MgSO4 rejection, Na2SO4 rejection, selectivity of NaCl/Na2SO4, and selectivity of MgSO4/Na2SO4 obtained were 6.51 L·m-2·h-1·bar-1, 45.41{\%}, 69.14{\%}, 85.79{\%}, 3.84, and 2.17, respectively.",
keywords = "Coatings, Modeling, Polyelectrolyte, Self-assembly, Thin films",
author = "Ng, {Law Yong} and Mohammad, {Abdul Wahab} and Ng, {Ching Yin} and Rosiah Rohani",
year = "2015",
month = "3",
day = "1",
doi = "10.1002/adv.21472",
language = "English",
volume = "34",
journal = "Advances in Polymer Technology",
issn = "0730-6679",
publisher = "John Wiley and Sons Inc.",
number = "1",

}

TY - JOUR

T1 - Optimization of polymeric membrane characteristics through thermal treatment and deposition of polyelectrolyte layers using response surface modeling

AU - Ng, Law Yong

AU - Mohammad, Abdul Wahab

AU - Ng, Ching Yin

AU - Rohani, Rosiah

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Improvement in polyethersulfone membrane performance by employing thermal treatment and deposition of polyelectrolyte layers was proposed. High molecular weight polyelectrolytes were used in the formation of polyelectrolyte multilayers in the presence of various concentrations of supporting electrolyte. Interactions between the membrane thermal treatment duration and salt concentration in a polyelectrolyte solution were evaluated and optimized using response surface methodology. The predictive models showed good fittings between the experimental and model predicted values, which confirmed the precision and reliability of the regression models. Confirmation run was conducted using the thermal treatment duration of 17.07 min and 1.70 M of the supporting electrolyte concentration in the polyelectrolyte solution. The pure water permeability, NaCl rejection, MgSO4 rejection, Na2SO4 rejection, selectivity of NaCl/Na2SO4, and selectivity of MgSO4/Na2SO4 obtained were 6.51 L·m-2·h-1·bar-1, 45.41%, 69.14%, 85.79%, 3.84, and 2.17, respectively.

AB - Improvement in polyethersulfone membrane performance by employing thermal treatment and deposition of polyelectrolyte layers was proposed. High molecular weight polyelectrolytes were used in the formation of polyelectrolyte multilayers in the presence of various concentrations of supporting electrolyte. Interactions between the membrane thermal treatment duration and salt concentration in a polyelectrolyte solution were evaluated and optimized using response surface methodology. The predictive models showed good fittings between the experimental and model predicted values, which confirmed the precision and reliability of the regression models. Confirmation run was conducted using the thermal treatment duration of 17.07 min and 1.70 M of the supporting electrolyte concentration in the polyelectrolyte solution. The pure water permeability, NaCl rejection, MgSO4 rejection, Na2SO4 rejection, selectivity of NaCl/Na2SO4, and selectivity of MgSO4/Na2SO4 obtained were 6.51 L·m-2·h-1·bar-1, 45.41%, 69.14%, 85.79%, 3.84, and 2.17, respectively.

KW - Coatings

KW - Modeling

KW - Polyelectrolyte

KW - Self-assembly

KW - Thin films

UR - http://www.scopus.com/inward/record.url?scp=84922569364&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84922569364&partnerID=8YFLogxK

U2 - 10.1002/adv.21472

DO - 10.1002/adv.21472

M3 - Article

AN - SCOPUS:84922569364

VL - 34

JO - Advances in Polymer Technology

JF - Advances in Polymer Technology

SN - 0730-6679

IS - 1

M1 - 21472

ER -