Application of direct contact membrane distillation for treating high salinity solutions: Impact of membrane structure and chemistry

Mustafa Al-Furaiji, Nieck Benes, Arian Nijmeijer, Jeffrey R. McCutcheon*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
9 Downloads (Pure)

Abstract

In this work, we examine membranes consisting of different materials, different pore sizes and thicknesses. The objective is to elucidate structural-and chemical-property relationships of direct contact membrane distillation for brine concentration using three different salts (MgCl2, KCl, or NaCl) at near saturation conditions (up to 4 M). All membranes show excellent performance (high water flux and salt rejection above 99.5% for each salt). In general, the thinnest membranes exhibit the highest flux while lower porosity membranes have lower flux. Pore size is shown to have only a modest impact on performance. Solutes will also play an important role in MD water flux.

Original languageEnglish
Pages (from-to)31-38
Number of pages8
JournalDesalination and water treatment
Volume136
DOIs
Publication statusPublished - 1 Dec 2018

Fingerprint

Membrane structures
distillation
Distillation
Contacts (fluid mechanics)
membrane
Membranes
salinity
Fluxes
Salts
salt
Pore size
Chemical properties
brine
Structural properties
Water
chemical property
solute
Porosity
porosity
saturation

Keywords

  • Brine
  • ECTFE membrane
  • Membrane distillation
  • PP membrane
  • PVDF membrane

Cite this

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title = "Application of direct contact membrane distillation for treating high salinity solutions: Impact of membrane structure and chemistry",
abstract = "In this work, we examine membranes consisting of different materials, different pore sizes and thicknesses. The objective is to elucidate structural-and chemical-property relationships of direct contact membrane distillation for brine concentration using three different salts (MgCl2, KCl, or NaCl) at near saturation conditions (up to 4 M). All membranes show excellent performance (high water flux and salt rejection above 99.5{\%} for each salt). In general, the thinnest membranes exhibit the highest flux while lower porosity membranes have lower flux. Pore size is shown to have only a modest impact on performance. Solutes will also play an important role in MD water flux.",
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Application of direct contact membrane distillation for treating high salinity solutions : Impact of membrane structure and chemistry. / Al-Furaiji, Mustafa; Benes, Nieck; Nijmeijer, Arian; McCutcheon, Jeffrey R.

In: Desalination and water treatment, Vol. 136, 01.12.2018, p. 31-38.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Application of direct contact membrane distillation for treating high salinity solutions

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AU - Al-Furaiji, Mustafa

AU - Benes, Nieck

AU - Nijmeijer, Arian

AU - McCutcheon, Jeffrey R.

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KW - Brine

KW - ECTFE membrane

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