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Membranes
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Preparation, Characterization, and Applications of Ultrafiltration Membranes
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Preparation, Characterization, and Applications of Ultrafiltration Membranes

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

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 8000

Special Issue Editors

Dr. Mohamed Ali

E-Mail Website
Guest Editor
Desert Research Center: Mataria, Cairo, Egypt
Interests: membrane separation technologies; ultrafiltration, reverse osmosis; forward osmosis; preparation of some nanomaterials; graphene and graphene oxide nanosheets; MOF; membranes and membrane distillation; water and wastewater treatment technologies; fabrication of spiral-wound; reverse osmosis membranes on a large scale; synthetic polymers and materials chemistry; hybrid organic-inorganic materials; membrane fouling and scaling; membrane surface and chemical modifications; composite membranes; water quality; environmental chemistry
Dr. Seif Bayoumi

E-Mail Website
Guest Editor
Arab Academy for Science Technology and Maritime Transport (AASTMT), Alexandria, Egypt
Interests: modeling and simulation; experimental fluid mechanics; engineering thermodynamics water resources; solar thermal; desalination; renewable energy; reverse osmosi
Dr. Rodrigo Puerari

E-Mail Website
Guest Editor
Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, Brazil
Interests: environmental toxicology; membrane separation; nanotechnology

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute with a paper in the special issue Preparation, Characterization, and Applications of Ultrafiltration Membranes, to be announced by MEMBRANES journal). Ultrafiltration have been knowing as one of the promising technologies for separation of polyvalent ions and macromolecules from aqueous solutions. Ultrafiltration technology enables the separation, purification, and concentration of water-soluble solutes or dispersible-water compounds. This important feature allows this technology to serve and develop several medical, industrial, and agricultural fields, in addition to its ability to target directly or indirectly many of the the United Nations Development goals (UNDP SDGs) including Zero hunger; Clean water and sanitation; Industry, innovation and infrastructure; and Sustainable cities and communities.

This special issue aims to discuss the latest research and state-of-the art of ultrafiltration membranes for different applications; it is proposed to cover the new ideas and research directions about the progressive advances of UF membranes.

Original research focusing on the preparation, charactrisation, and configuration of UF membranes; advanced UF nanocomposites membranes, and reviews are welcomed as the special issue covers but not limited to the following applications:

  • Nanocomposite membranes
  • Antibiofouling improvement
  • Ultrafiltration bioreactor
  • RO water desalination pre-treatment.
  • Wastewater treatment.
  • Food technology (dairy products, plant extracts, oils, and sugar).
  • Pharmaceutical and Biotechnology (Blood plasma processing, protein, and enzymes purification and gas separation)

I/We look forward to receiving your contributions.

Dr. Mohamed Ali
Dr. Seif Bayoumi
Dr. Rodrigo Costa Puerari
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 2200 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

  • ultrafiltration
  • membrane separation
  • nanocomposite membranes
  • surface modification
  • phase inversion method, vapour-induced method, inorganic membranes
  • anti-biofouling
  • hydrophobicity
  • hydrophilicity
  • zwitterionization
  • filtration
  • wastewater treatment
  • removing aromatic compounds
  • pharmaceutical and biotechnology
  • gas separation, ultrafiltration bioreactor

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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

17 pages, 15678 KiB  
Article
A Hydrodynamic Approach to the Study of HIV Virus-Like Particle (VLP) Tangential Flow Filtration
by Tobias Wolf, Jamila Rosengarten, Ina Härtel, Jörn Stitz and Stéphan Barbe
Membranes 2022, 12(12), 1248; https://doi.org/10.3390/membranes12121248 - 9 Dec 2022
Cited by 4 | Viewed by 2219
Abstract
Emerging as a promising pathway to HIV vaccines, Virus-Like Particles (VLPs) have drawn considerable attention in recent years. A challenge of working with HIV VLPs in biopharmaceutical processes is their low rigidity, and factors such as shear stress, osmotic pressure and pH variation [...] Read more.
Emerging as a promising pathway to HIV vaccines, Virus-Like Particles (VLPs) have drawn considerable attention in recent years. A challenge of working with HIV VLPs in biopharmaceutical processes is their low rigidity, and factors such as shear stress, osmotic pressure and pH variation have to be reduced during their production. In this context, the purification and concentration of VLPs are often achieved by means of Tangential Flow Filtration (TFF) involving ultrafiltration hollow fiber modules. Despite the urgent need for robust upscaling strategies and further process cost reduction, very little attention has been dedicated to the identification of the mechanisms limiting the performance of HIV VLP TFF processes. In this work, for the first time, a hydrodynamic approach based on particle friction was successfully developed as a methodology for both the optimization and the upscaling of HIV VLP TFF. Friction forces acting on near-membrane HIV VLPs are estimated, and the plausibility of the derived static coefficients of friction is discussed. The particle friction-based model seems to be very suitable for the fitting of experimental data related to HIV VLP TFF as well as for upscaling projections. According to our predictions, there is still considerable room for improvement of HIV VLP TFF, and operating this process at slightly higher flow velocities may dramatically enhance the efficiency of VLP purification and concentration. This work offers substantial guidance to membrane scientists during the design of upscaling strategies for HIV VLP TFF. Full article
(This article belongs to the Special Issue Preparation, Characterization, and Applications of Ultrafiltration Membranes)
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14 pages, 3550 KiB  
Article
Effect of Composition and Viscosity of Spinning Solution on Ultrafiltration Properties of Polyphenylene Sulfone Hollow-Fiber Membranes
by Tatyana Anokhina, Alisa Raeva, Stepan Sokolov, Alexandra Storchun, Marina Filatova, Azamat Zhansitov, Zhanna Kurdanova, Kamila Shakhmurzova, Svetlana Khashirova and Ilya Borisov
Membranes 2022, 12(11), 1113; https://doi.org/10.3390/membranes12111113 - 8 Nov 2022
Cited by 7 | Viewed by 1691
Abstract
In this work, PPSUs with different molecular weights were synthesized for the development of highly permeable ultrafiltration hollow fiber membranes for the first time. The MW of the synthesized polymers was controlled by varying the monomers molar ratio within 1:1–1.15 under the [...] Read more.
In this work, PPSUs with different molecular weights were synthesized for the development of highly permeable ultrafiltration hollow fiber membranes for the first time. The MW of the synthesized polymers was controlled by varying the monomers molar ratio within 1:1–1.15 under the same synthesis conditions. Based on the study of the rheological properties of polymer solutions, a high molecular weight PPSU (MW = 102,000 g/mol) was chosen for the formation of hollow fiber membranes. The addition of PEG400 to the spinning solution led to an increase in viscosity, which makes it possible to work in the region of lower PPSU concentrations (18–20 wt. %) and to form membranes with a less dense porous structure. With the addition of PEG400 to the spinning solution, the membrane permeance increased sharply by more than two orders of magnitude (from 0.2 to 96 L/m2·h bar). At the same time, the membranes had high rejection coefficients (99.9%) of Blue Dextran model filtered substance (MW = 69,000 g/mol). Full article
(This article belongs to the Special Issue Preparation, Characterization, and Applications of Ultrafiltration Membranes)
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10 pages, 4000 KiB  
Article
On the Choice of Different Water Model in Molecular Dynamics Simulations of Nanopore Transport Phenomena
by Chulwoo Park, Ferlin Robinson and Daejoong Kim
Membranes 2022, 12(11), 1109; https://doi.org/10.3390/membranes12111109 - 7 Nov 2022
Cited by 1 | Viewed by 3340
Abstract
The water transport through nanoporous multilayered graphene at 300k is investigated using molecular dynamics (MD) simulation with different water models in this study. We used functionalized and non-functionalized membranes along with five different 3-point rigid water models: SPC (simple point charge), SPC/E (extended [...] Read more.
The water transport through nanoporous multilayered graphene at 300k is investigated using molecular dynamics (MD) simulation with different water models in this study. We used functionalized and non-functionalized membranes along with five different 3-point rigid water models: SPC (simple point charge), SPC/E (extended simple point charge), TIP3P-FB (transferable intermolecular potential with 3 points—Force Balance), TIP3P-EW (transferable intermolecular potential with 3 points with Ewald summation) and OPC3 (3-point optimal point charge) water models. Based on our simulations with two water reservoirs and a porous multilayered graphene membrane in-between them, it is evident that the water transport varies significantly depending on the water model used, which is in good agreement with previous works. This study contributes to the selection of a water model for molecular dynamics simulations of water transport through multilayered porous graphene. Full article
(This article belongs to the Special Issue Preparation, Characterization, and Applications of Ultrafiltration Membranes)
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