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Membranes
Special Issues
Composite Membranes: Synthesis and Characterization
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Composite Membranes: Synthesis and Characterization

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Analysis and Characterization".

Deadline for manuscript submissions: closed (31 August 2018)

Special Issue Editors

Dr. Mohtada Sadrzadeh

E-Mail Website1 Website2
Guest Editor
Department of Mechanical Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada
Interests: membrane; water and gas treatment
Special Issues, Collections and Topics in MDPI journals
Dr. Behnam Khorshidi

E-Mail Website
Guest Editor
Department of Mechanical Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada
Interests: water treatment; membrane separations; nanotechnology

Special Issue Information

Dear Colleagues,

Over the past decade, a vast effort has been dedicated toward developing and advancing novel membrane materials for the treatment of gases and liquids. Composite polymeric membranes are commonly used for the energy- and cost-efficient water and gas treatment processes. These membranes have experienced significant improvements in integrating permeation advantages including high permselectivity and fouling resistivity with thermomechanical and chemical stability. This is primarily owed to the emergence and utilization of novel materials including multifunctional polymer blends, carbon-based fillers (such as carbon nanotubes, graphene and graphene oxide nanosheets), metal-organic frameworks and metal oxide nanofillers as well as intrinsically porous ceramics like zeolite to mention a few. In addition, modifying the preparation methodologies, such as blending with copolymers, as well as fabricating thin film composite structures, have shown a significant promise for further improvement of composite membranes.

The goal of the present Special Issue is to provide a comprehensive overview of recent advances in synthesis and characterization of composite membranes for desalination, wastewater treatment, and gas separation processes. It announces a valuable opportunity to report both the original papers and critical reviews on synthesis and characterization of novel composite membranes.

Prof. Mohtada Sadrzadeh
Dr. Behnam Khorshidi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Membranes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Novel material synthesis
  • Composite membrane fabrication
  • Surface functionalization
  • Nanocomposite membranes
  • Mix matrix membranes (MMMs)
  • Metal organic frameworks (MOFs) Metal oxide nanofillers
  • Carbon based membranes
  • Carbon nanotubes (CNTs)
  • Covalent organic frameworks (COFs)
  • Graphene
  • Graphene oxide (GO)
  • Block copolymers
  • Zeolite
  • Water treatment
  • Gas separation
  • Reverse osmosis
  • Nanofiltration
  • Ultrafiltration
  • Microfiltration
  • Pervaporation
  • Membrane Distillation

Published Papers (2 papers)

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Research

12 pages, 3884 KiB  
Article
Applicability of PolyActive™ Thin Film Composite Membranes for CO2 Separation from C2H4 Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
by Karina Schuldt, Jan Pohlmann, Sergey Shishatskiy and Torsten Brinkmann
Membranes 2018, 8(2), 27; https://doi.org/10.3390/membranes8020027 - 05 Jun 2018
Cited by 15 | Viewed by 6337
Abstract
The PolyActive™ thin film composite membrane (TFCM) has already been successfully applied for CO2 separation tasks at feed pressures up to 10 bar. To investigate the applicability at higher pressures, measurements were undertaken with C2H4 containing gas mixtures with [...] Read more.
The PolyActive™ thin film composite membrane (TFCM) has already been successfully applied for CO2 separation tasks at feed pressures up to 10 bar. To investigate the applicability at higher pressures, measurements were undertaken with C2H4 containing gas mixtures with a composition comparable to the product stream of the oxidative coupling of methane process, as well as single gases up to a feed pressure of 30 bar. Furthermore, the permeances of the conducted gas mixture experiments were simulated. The results show a strong swelling influence of CO2 on the used membrane depending on the CO2 fugacity. This swelling effect leads to a pronounced decrease in selectivity. The observed membrane behavior at high pressures could not be predicted by the Free Volume Model (FVM). Two different simulations were conducted: one based on parameters calculated from single gas data measured at pressures up to 2 bar; and a second based on parameters calculated from single gas data measured at pressures from 2 to 30 bar. The two simulations differ in their prediction accuracy. However, they confirm that it is possible to predict the measured permeances in the pressure range up to an average CO2 fugacity of 6 bar. Full article
(This article belongs to the Special Issue Composite Membranes: Synthesis and Characterization)
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9 pages, 1679 KiB  
Article
Preparation and Characterization of TiO2/g-C3N4/PVDF Composite Membrane with Enhanced Physical Properties
by Huiya Wang, Ran Gong and Xinliang Qian
Membranes 2018, 8(1), 14; https://doi.org/10.3390/membranes8010014 - 05 Mar 2018
Cited by 18 | Viewed by 5686
Abstract
TiO2/g-C3N4/PVDF composite membranes were prepared by a phase inversion method. A comparison of the performance and morphology was carried out among pure PVDF, g-C3N4/PVDF, TiO2/PVDF and TiO2/g-C3N [...] Read more.
TiO2/g-C3N4/PVDF composite membranes were prepared by a phase inversion method. A comparison of the performance and morphology was carried out among pure PVDF, g-C3N4/PVDF, TiO2/PVDF and TiO2/g-C3N4/PVDF composite membranes. The results of permeability and instrumental analysis indicated that TiO2 and g-C3N4 organic-inorganic composites obviously changed the performance and structure of the PVDF membranes. The porosity and water content of 0.75TiO2/0.25g-C3N4/PVDF composite membranes were 97.3 and 188.3 L/(m2·h), respectively. The porosity and water content of the 0.75TiO2/0.25g-C3N4 membranes were increased by 20.8% and 27.4%, respectively, compared with that of pure PVDF membranes. This suggested that the combination of organic-inorganic composite with PVDF could remarkably improve UTS, membrane porosity and water content. Full article
(This article belongs to the Special Issue Composite Membranes: Synthesis and Characterization)
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