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Polymers
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Functional Polymeric Membrane for Filtration/Separation
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Functional Polymeric Membrane for Filtration/Separation

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

Deadline for manuscript submissions: closed (25 June 2023) | Viewed by 6424

Special Issue Editor

Prof. Dr. Emad Ali Soliman

E-Mail Website
Guest Editor
Department of Polymeric Materials Research, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technology Applications, Research Centers and Universities District, 21934 New Borg El-Arab City, Alex, Egypt
Interests: water and waste water treatments, packaging materials and bio-packaging

Special Issue Information

Dear Colleagues,

As an emerging separation process, membrane technology has become competitive with other separation techniques, polymeric membranes are prominently used for various membrane-based filtration and separation applications due to their advantages, such as their low cost, ease of membrane formation, scale-up ability, good mechanical properties, leading to the pore size to be controlled while also increasing permeability and selectivity.

This Special Issue is dedicated to the recent advances and strategies that have been made for the functionalization of both porous and nonporous polymeric membranes that offer leapfrog opportunities to the next generation of polymer membrane-based separation and filtration systems with enhanced or novel performance and that are more affordable in cost.

Full-length research articles, review articles, and communications are welcomed on the aforementioned topics with the following keywords:

  • Synthesis of novel/specialty functional polymers;
  • Polymer blends and composites;
  • Surface modification and functionalization;
  • Hollow fiber, flat sheet, and tubular membranes;
  • Nanofibrous membranes;
  • Modeling and simulation of mass transport;
  • Anti-fouling and self-cleaning;
  • Water and wastewater treatment;
  • Environmental remediation;
  • Food and pharmaceutical industry;
  • Chemical, petrochemical, and petroleum industry;
  • Future perspectives.

Prof. Dr. Emad Ali Soliman
Guest Editor

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.

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

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15 pages, 5623 KiB  
Article
Polymer Membrane Modified with Photocatalytic and Plasmonic Nanoparticles for Self-Cleaning Filters
by Aliaksandr Burko, Siarhei Zavatski, Arina Baturova, Makhina Kholiboeva, Julia Kozina, Kseniya Kravtsunova, Vladimir Popov, Artem Gudok, Sergey Dubkov, Stanislav Khartov and Hanna Bandarenka
Polymers 2023, 15(3), 726; https://doi.org/10.3390/polym15030726 - 31 Jan 2023
Cited by 3 | Viewed by 2029
Abstract
In this study, we developed a filtering material for facial masks, which is capable of trapping and subsequent inactivation of bacteria under white light emitting diodes (LED) or sunlight irradiation. Such a functionality is achieved via the modification of the composite membrane based [...] Read more.
In this study, we developed a filtering material for facial masks, which is capable of trapping and subsequent inactivation of bacteria under white light emitting diodes (LED) or sunlight irradiation. Such a functionality is achieved via the modification of the composite membrane based on porous polymer with photocatalytic (TiO2) and plasmonic (Ag) nanoparticles. The porous polymer is produced by means of a computer numerical control machine, which rolls a photoresist/thermoplastic mixture into a ~20-µm-thick membrane followed by its thermal/ultraviolet (UV) hardening and porosification. TiO2 nanoparticles are prepared by hydrothermal and sol-gel techniques. Colloidal synthesis is utilized to fabricate Ag nanoparticles. The TiO2 photocatalytic activity under UV excitation as well as a photothermal effect generated by plasmonic Ag nanoparticles subjected to LED irradiation are studied by the assessment of methylene blue (MB) decomposition. We demonstrate that, in contrast to the filter of the standard facial medical mask, the polymer membrane modified with spray-coated TiO2 and Ag nanoparticles prevents the penetration of bacillus subtilis from its top to bottom side and significantly inhibits bacterial growth when exposed to LED or sunlight. Full article
(This article belongs to the Special Issue Functional Polymeric Membrane for Filtration/Separation)
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15 pages, 4556 KiB  
Article
Development of Adsorptive Membranes for Selective Removal of Contaminants in Water
by Priyalatha M. Kirisenage, Syed M. Zulqarnain, Jordan L. Myers, Bradley D. Fahlman, Anja Mueller and Itzel Marquez
Polymers 2022, 14(15), 3146; https://doi.org/10.3390/polym14153146 - 2 Aug 2022
Cited by 8 | Viewed by 2239
Abstract
The presence of arsenic and ammonia in ground and surface waters has resulted in severe adverse effects to human health and the environment. Removal technologies for these contaminants include adsorption and membrane processes. However, materials with high selectivity and pressure stability still need [...] Read more.
The presence of arsenic and ammonia in ground and surface waters has resulted in severe adverse effects to human health and the environment. Removal technologies for these contaminants include adsorption and membrane processes. However, materials with high selectivity and pressure stability still need to be developed. In this work, adsorbents and adsorptive membranes were prepared using nanostructured graphitic carbon nitride decorated with molecularly imprinted acrylate polymers templated for arsenate and ammonia. The developed adsorbent removed arsenate at a capacity and selectivity similar to commercial ion-exchange resins. Ammonia was removed at higher capacity than commercial ion exchange resins, but the adsorbent showed lower selectivity. Additionally, the prepared membranes removed more arsenate and ammonia than non-imprinted controls, even in competition with abundant ions in water. Further optimization is required to improve pressure stability and selectivity. Full article
(This article belongs to the Special Issue Functional Polymeric Membrane for Filtration/Separation)
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Review

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19 pages, 2987 KiB  
Review
Enhancing Mechanical Properties and Flux of Nanofibre Membranes for Water Filtration
by Siddratul Sarah Binti Mohd Hami, Nor Dalila Nor Affandi, Liliana Indrie, Simona Tripa, Ahmad Mukifza Harun and Mohd Rozi Ahmad
Polymers 2023, 15(15), 3281; https://doi.org/10.3390/polym15153281 - 2 Aug 2023
Cited by 2 | Viewed by 1672
Abstract
Nanofibres have gained attention for their highly porous structure, narrow pore size, and high specific surface area. One of the most efficient techniques for producing nanofibres is electrospinning. These fibres are used in various fields, including water filtration. Although they possess the ability [...] Read more.
Nanofibres have gained attention for their highly porous structure, narrow pore size, and high specific surface area. One of the most efficient techniques for producing nanofibres is electrospinning. These fibres are used in various fields, including water filtration. Although they possess the ability to filter various components, the fibres generally have low mechanical strength, which can mitigate their performance over time. To address this, studies have focused on enhancing nanofibre membrane strength for water filtration. Previous analyses show that the mechanical properties of nanofibre mats can be improved through solvent vapour treatment, thermal treatment, and chemical crosslinking. These treatments promote interfibre bonding, leading to the improvement of mechanical strength. However, excessive treatment alters nanofibre behaviour. Excessive heat exposure reduces interfibre bonding, while too much solvent vapour decreases pore size and mechanical strength. Thus, a comprehensive understanding of these post-treatments is crucial. This review examines post-treatments aiming to increase the mechanical strength of nanofibre mats, discussing their advantages and disadvantages. Understanding these treatments is essential for optimising nanofibre membrane performance in water filtration and other applications. Full article
(This article belongs to the Special Issue Functional Polymeric Membrane for Filtration/Separation)
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