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Polymers
Special Issues
Polymeric Membranes for Separation and Adsorption
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Polymeric Membranes for Separation and Adsorption

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Membranes and Films".

Deadline for manuscript submissions: closed (30 October 2023) | Viewed by 1769

Special Issue Editors

Dr. Zhenbei Wang

E-Mail Website
Guest Editor
College of Environmental Science and Engineering, Beijing Forestry University, Beijing, China
Interests: flocs properties; membrane filtration; fouling control; natural organic matters
Dr. Chen Li

E-Mail Website
Guest Editor
College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100107, China
Interests: water treatment; catalytic ceramic membrane; nanofiltration; membrane fouling; photocatalysis; dissolved organic matters; pharmaceutically active compounds
Special Issues, Collections and Topics in MDPI journals
Dr. Wei Li

E-Mail Website
Guest Editor
Research Center for Eco-environmental Engineering, Dongguan University of Technology, Dongguan, China
Interests: wastewater treatment and bioenergy recovery; membrane technologies for water treatment; microbial electrochemical systems

Special Issue Information

Dear Colleagues,

At present, membranes made from polymers or polymer composites with functions of separating fluid mixtures and adsorbing pollutants are widely used in various industrial applications, and the use of polymeric membranes for separation and adsorption is one of the most promising, cost-effective, and energy-efficient approaches. Moreover, membrane research can help us deal with present critical societal problems, such as water pollution, drinking water shortages, or the recovery of solvents or catalysts from the chemical and pharmaceutical industries. In addition to their function, the properties of membranes are also of great interest in practical applications. Thus, polymeric membranes are always a hot topic of great interest to researchers in polymer chemistry, physics, engineering, and applications.

In this case, this Special Issue aims to compile original and cutting-edge research work on the synthesis, characterization, and application of polymeric membranes for separation and adsorption.

Dr. Zhenbei Wang
Dr. Chen Li
Dr. Wei Li
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. Polymers is an international peer-reviewed open access semimonthly 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

  • polymeric membrane
  • separation
  • adsorption
  • water treatment
  • membrane modification
  • membrane fouling

Published Papers (1 paper)

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Research

19 pages, 4220 KiB  
Article
Enhancing Physiochemical Substrate Properties of Thin-Film Composite Membranes for Water and Wastewater Treatment via Engineered Osmosis Process
by Wan Nur Ain Shuhada Abdullah, Nadiene Salleha Mohd Nawi, Woei Jye Lau, Yeek Chia Ho, Farhana Aziz and Ahmad Fauzi Ismail
Polymers 2023, 15(7), 1665; https://doi.org/10.3390/polym15071665 - 27 Mar 2023
Cited by 1 | Viewed by 1384
Abstract
The commercial thin-film composite (TFC) nanofiltration (NF) membrane is unsuitable for engineered osmosis processes because of its thick non-woven fabric and semi-hydrophilic substrate that could lead to severe internal concentration polarization (ICP). Hence, we fabricated a new type of NF-like TFC membrane using [...] Read more.
The commercial thin-film composite (TFC) nanofiltration (NF) membrane is unsuitable for engineered osmosis processes because of its thick non-woven fabric and semi-hydrophilic substrate that could lead to severe internal concentration polarization (ICP). Hence, we fabricated a new type of NF-like TFC membrane using a hydrophilic coated polyacrylonitrile/polyphenylsulfone (PAN/PPSU) substrate in the absence of non-woven fabric, aiming to improve membrane performance for water and wastewater treatment via the engineered osmosis process. Our results showed that the substrate made of a PAN/PPSU weight ratio of 1:5 could produce the TFC membrane with the highest water flux and divalent salt rejection compared to the membranes made of different PAN/PPSU substrates owing to the relatively good compatibility between PAN and PPSU at this ratio. The water flux of the TFC membrane was further improved without compromising salt rejection upon the introduction of a hydrophilic polydopamine (PDA) coating layer containing 0.5 g/L of graphene oxide (PDA/GO0.5) onto the bottom surface of the substrate. When tested using aerobically treated palm oil mill effluent (AT-POME) as a feed solution and 4 M MgCl2 as a draw solution, the best performing TFC membrane with the hydrophilic coating layer achieved a 67% and 41% higher forward osmosis (FO) and pressure retarded osmosis (PRO) water flux, respectively, compared to the TFC membrane without the coating layer. More importantly, the coated TFC membrane attained a very high color rejection (>97%) during AT-POME treatment, while its water flux and reverse solute flux were even better compared to the commercial NF90 and NF270 membranes. The promising outcomes were attributed to the excellent properties of the PAN/PPSU substrate that was coated with a hydrophilic PDA/GO coating and the elimination of the thick non-woven fabric during TFC membrane fabrication. Full article
(This article belongs to the Special Issue Polymeric Membranes for Separation and Adsorption)
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