Thin Film Composite Membranes

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Inorganic Membranes".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 2805

Special Issue Editors


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Guest Editor
Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology, Sydney (UTS), P.O. Box 123, 15 Broadway, NSW 2007, Australia
Interests: thin film composite; thin film nanocomposite; interlayer deposition; layer-by-layer deposition; reverse osmosis; forward osmosis; nanofiltration; organic solvent nanofiltration

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Guest Editor
Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology, Sydney (UTS), P.O. Box 123, 15 Broadway, NSW 2007, Australia
Interests: carbon-based materials; nanocomposite; thin film deposition; ion separations

E-Mail Website
Guest Editor
Department of Energy Science and Technology, Myongji University - Natural Science Campus, Myongjiro-116 Cheoingu, Yongin City, Gyeonggi Province, South Korea (17058)
Interests: forward osmosis; membrane nanocomposites; membrane adsorption; specialized membranes; membrane filtration; membrane extraction

Special Issue Information

Dear Colleagues,

Thin film composite (TFC) membranes have been widely considered in the membrane manufacturing industry because they exhibit high solvent permeability and high solute retention. Therefore, TFC membranes have gained tremendous attention for various applications in the water sectors and pharmaceutical and chemical industries. Various TFC membranes are being developed for reverse osmosis (RO), nanofiltration (NF), pressure-retarded osmosis (PRO), forward osmosis (FO), organic solvent nanofiltration (OSN), and other applications toward commercialization.

TFC membranes are typically composed of a thin active layer (i.e., polyamide) responsible for high solute rejection and a subjacent porous structure as a mechanical support layer for convenient solvent transport. However, TFC membranes have often faced a trade-off between solvent permeability and solute selectivity. To overcome this issue, application of advanced materials and approaches in the formation of thin film selective layer has recently been investigated to achieve superior TFC membrane performances.

This Special issue is focused on “Thin Film Composite Membranes” prepared using advanced fabrication methods, including: layer-by-layer deposition, interlayer deposition, thin film nanocomposite fabrications using various nanomaterials, and other new approaches for the synthesis of thin film selective layers on porous substrates for various membrane separation applications. Authors are invited to submit their latest results and findings, including original papers and reviews.

Dr. Myoung Jun Park
Dr. Dong Han Seo
Dr. Grace M. Nisola
Guest Editors

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Keywords

  • Thin film composite
  • Nanomaterials
  • Layer-by-layer deposition
  • Interlayer deposition
  • New fabrication approaches
  • Thin film layer coating

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Published Papers (1 paper)

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Research

17 pages, 4628 KiB  
Article
Enhanced Nanofiltration Process of Thin Film Composite Membrane Using Dodecyl Phenol Ethoxylate and Oleic Acid Ethoxylate for Oilfield Calcite Scale Control
by Saedah R. Al-Mhyawi, Mahmoud F. Mubarak, Rasha Hosny, Manal Amine, Omnia H. Abdelraheem, M. A. Zayed, Ahmed H. Ragab and Abeer El Shahawy
Membranes 2021, 11(11), 855; https://doi.org/10.3390/membranes11110855 - 4 Nov 2021
Cited by 7 | Viewed by 2230
Abstract
This research studied the enhancing effect on the nanofiltration composite (TFCNF) membrane of two non-ionic surfactants on a thin-film composite nanofiltration membrane (TFCNF) for calcite scale (CaCO3) inhibition in oilfield application to develop a multifunctional filtration system: nanofiltration, antiscalant, and scale [...] Read more.
This research studied the enhancing effect on the nanofiltration composite (TFCNF) membrane of two non-ionic surfactants on a thin-film composite nanofiltration membrane (TFCNF) for calcite scale (CaCO3) inhibition in oilfield application to develop a multifunctional filtration system: nanofiltration, antiscalant, and scale inhibitors. The effectiveness of dodecyl phenol ethoxylate (DPE) and oleic acid ethoxylate (OAE) as novel scale inhibitors were studied using the dynamic method. Scaling tests on the membrane were performed to measure the scaling of the inhibited membrane with and without scale inhibitors for salt rejection, permeability, and flux decline. The results revealed that the TFCNF membrane flux decline was improved in the presence of scale inhibitors from 22% to about 15%. The rejection of the membrane scales increases from 72% for blank membranes, reaching 97.2% and 88% for both DPE and OAE, respectively. These confirmed that scale inhibitor DPE had superior anti-scaling properties against calcite deposits on TFCNF membranes. Inhibited scaled TFCNF membrane was characterized using environmental scanning electron (ESEM), FTIR, and XRD techniques. The results of the prepared TFCNF membrane extensively scaled by the calcite deposits were correlated to its morphology. Full article
(This article belongs to the Special Issue Thin Film Composite Membranes)
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