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Fibers
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Hollow Fiber Membrane
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Hollow Fiber Membrane

A special issue of Fibers (ISSN 2079-6439).

Deadline for manuscript submissions: closed (31 January 2017) | Viewed by 20371

Special Issue Editors

Dr. Alberto Figoli

E-Mail Website
Guest Editor
Institute on Membrane Technology, National Research Council, ITM-CNR, 87036 Arcavacata di Rende, Italy
Interests: polymeric membranes; sustainable membrane preparation; bio-polymeric membranes; flat membranes; hollow-fibers; nano fibers; membrane preparation; membrane characterization; pervaporation; antifouling coatings; self-cleaning membranes; ultra-micro filtration
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tao He

E-Mail Website
Guest Editor
Director of Membrane Materials and Separation Technology, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Haike Road 99, Pudong, Shanghai, 201210, China

Special Issue Information

Dear Colleagues,

Membrane technology has been successfully applied in many different industrial fields and in some of them, such as desalination, it can be considered a dominant technology. Membranes are produced using a wide variety of techniques which mainly depend on the membrane material employed and on the applications. Two different configurations, flat and hollow fibers, can be identified and depend mainly on the type of the process and application.

This Special Issue will highlight the importance of the use of hollow fiber membranes and their varied applications. Both original contributions and reviews are welcome related to: (1) preparation of hollow fiber membranes of different materials, such as polymeric, inorganic or mixed matrix membranes; (2) applications using hollow fiber membranes for wastewater treatment, drinking water production, water reuse, removal of toxic metals from water, volatile organic compounds removal from aqueous or gas streams, gas separation, CO2 removal, and production and recovery of high-added value products from wastewater.

Dr. Alberto Figoli
Prof. Dr. Tao He
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. Fibers 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 2000 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

  • hollow fiber membranes
  • hollow fiber preparation
  • polymeric hollow fiber
  • inorganic hollow fiber
  • mixed-matrix membrane hollow fiber
  • water treatment
  • gas separation

Published Papers (2 papers)

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Research

3710 KiB  
Article
Preparation and Characterization of Polymeric-Hybrid PES/TiO2 Hollow Fiber Membranes for Potential Applications in Water Treatment
by Silvia Simone, Francesco Galiano, Mirko Faccini, Marcel E. Boerrigter, Christiane Chaumette, Enrico Drioli and Alberto Figoli
Fibers 2017, 5(2), 14; https://0-doi-org.brum.beds.ac.uk/10.3390/fib5020014 - 04 Apr 2017
Cited by 29 | Viewed by 9078
Abstract
In this work, poly(ethersulfone) (PES) ultrafiltration (UF) hollow fibers (HF) were modified by introducing TiO2 nanoparticles (TiO2-NPs) in the polymeric dope, to endow them with photocatalytic properties. Different dope compositions and spinning conditions for producing “blank” PES UF fibers with [...] Read more.
In this work, poly(ethersulfone) (PES) ultrafiltration (UF) hollow fibers (HF) were modified by introducing TiO2 nanoparticles (TiO2-NPs) in the polymeric dope, to endow them with photocatalytic properties. Different dope compositions and spinning conditions for producing “blank” PES UF fibers with suitable properties were investigated. PEO–PPO–PEO (Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol, Pluronic® (Sigma-Aldrich, Milan, Italy) was finally selected as the additive and a suitable dope composition was identified. After the detection of an appropriate dope composition and the optimization of the spinning parameters, PES-TiO2 HF was produced. The optimized composition was employed for preparing the mixed matrix HF loaded with TiO2 NPs. The effect of different TiO2 NP (0.3–1 wt %) concentrations and bore fluid compositions on the fiber morphology and properties were explored. The morphology of the produced fibers was analyzed by Scanning Electron Microscopy (SEM). Fibers were further characterized by measuring: pore size diameters and thickness, porosity, and pure water permeability (PWP). The photocatalytic activity of the new membranes was also tested by UV light irradiation. The model “foulant” methylene blue (MB) was used in order to prove the efficiency of the novel UF membrane for dye photo-degradation. Full article
(This article belongs to the Special Issue Hollow Fiber Membrane)
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5988 KiB  
Article
Development of Polysulfone Hollow Fiber Porous Supports for High Flux Composite Membranes: Air Plasma and Piranha Etching
by Ilya Borisov, Anna Ovcharova, Danila Bakhtin, Stepan Bazhenov, Alexey Volkov, Rustem Ibragimov, Rustem Gallyamov, Galina Bondarenko, Rais Mozhchil, Alexandr Bildyukevich and Vladimir Volkov
Fibers 2017, 5(1), 6; https://0-doi-org.brum.beds.ac.uk/10.3390/fib5010006 - 13 Feb 2017
Cited by 24 | Viewed by 10248
Abstract
For the development of high efficiency porous supports for composite membrane preparation, polysulfone (PSf) hollow fiber membranes (outer diameter 1.57 mm, inner diameter 1.12 mm) were modified by air plasma using the low temperature plasma treatment pilot plant which is easily scalable to [...] Read more.
For the development of high efficiency porous supports for composite membrane preparation, polysulfone (PSf) hollow fiber membranes (outer diameter 1.57 mm, inner diameter 1.12 mm) were modified by air plasma using the low temperature plasma treatment pilot plant which is easily scalable to industrial level and the Piranha etch (H2O2 + H2SO4). Chemical and plasma modification affected only surface layers and did not cause PSf chemical structure change. The modifications led to surface roughness decrease, which is of great importance for further thin film composite (TFC) membranes fabrication by dense selective layer coating, and also reduced water and ethylene glycol contact angle values for modified hollow fibers surface. Furthermore, the membranes surface energy increased two-fold. The Piranha mixture chemical modification did not change the membranes average pore size and gas permeance values, while air plasma treatment increased pore size 1.5-fold and also 2 order enhanced membranes surface porosity. Since membranes surface porosity increased due to air plasma treatment the modified membranes were used as efficient supports for preparation of high permeance TFC membranes by using poly[1-(trimethylsilyl)-1-propyne] as an example for selective layer fabrication. Full article
(This article belongs to the Special Issue Hollow Fiber Membrane)
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