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Development and Application of Novel Membranes (2nd Edition)
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Development and Application of Novel Membranes (2nd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (20 November 2024) | Viewed by 1203

Special Issue Editors

Prof. Dr. Asuncion Maria Hidalgo

E-Mail Website
Guest Editor
Departamento de Ingeniería Química, Facultad de Química, Univesidad de Murcia, 30100 Murcia, Spain
Interests: water and wastewater treatment; membrane processes; fouling; modified membranes; recycle and reuse membrane; new materials
Special Issues, Collections and Topics in MDPI journals
Dr. Maria Dolores Murcia

E-Mail Website
Guest Editor
Departamento de Ingeniería Química, Facultad de Química, Univesidad de Murcia, 30100 Murcia, Spain
Interests: water and wastewater treatment; membrane processes; fouling; modified membranes; recycle and reuse membrane; new materials
Special Issues, Collections and Topics in MDPI journals
Dr. María Gómez

E-Mail Website
Guest Editor
Departamento de Ingeniería Química, Facultad de Química, Campus de Espinardo, Universidad de Murcia, 30100 Murcia, Spain
Interests: water and wastewater treatment; membrane processes; fouling; modified membranes; recycle and reuse membrane; new materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Research and utilization of membranes is not a novel topic since the use of membranes is widely extended in many industrial processes, such as the food industry, pollutant removal, seawater desalination, wastewater treatment, medicine, the paint industry, and conservation of the environment, among others. However, the development and application of membranes is still a field of interest full of new opportunities, as they present certain advantages, such as their friendliness to the environment, energy-saving capacity, and high efficiency.

In the aforementioned processes, different types of membranes have been used, including microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), reverse osmosis (RO), electrodialysis (ED), and pervaporation, among others. The most common membranes in wastewater treatment are made of polysulphone (PSF) and poly(ether)sulfone (PES). However, due to their hydrophobicity, they are highly susceptible to fouling. Different physical and chemical membrane modification processes have been carried out, including modification of membrane materials before membrane formation, graph polymerization, plasma treatment, physical preadsorption, and others.

This Special Issue aims to cover the recent developments and advances in all aspects of novel membranes and their applications, including membrane processes, combined processes (including one membrane step), modified membranes, novel materials, the possibility of recycling and reusing membranes, and new technologies to reduce fouling and improve the efficiency of enhanced processes.

Both original research and review papers are welcome.

Prof. Dr. Asuncion Maria Hidalgo
Dr. Maria Dolores Murcia
Dr. María Gómez
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. Materials 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 2600 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

  • modified membranes
  • physical membrane modification process
  • chemical membrane modification process

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Related Special Issue

Published Papers (1 paper)

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Research

27 pages, 14929 KiB  
Article
Reduction in Olfactory Discomfort in Inhabited Premises from Areas with Mofettas through Cellulosic Derivative–Polypropylene Hollow Fiber Composite Membranes
by Paul Constantin Albu, Andreia Pîrțac, Ludmila Motelica, Aurelia Cristina Nechifor, Geani Teodor Man, Alexandra Raluca Grosu, Szidonia-Katalin Tanczos, Vlad-Alexandru Grosu and Gheorghe Nechifor
Materials 2024, 17(17), 4437; https://doi.org/10.3390/ma17174437 - 9 Sep 2024
Viewed by 768
Abstract
Hydrogen sulfide is present in active or extinct volcanic areas (mofettas). The habitable premises in these areas are affected by the presence of hydrogen sulfide, which, even in low concentrations, gives off a bad to unbearable smell. If the living spaces considered are [...] Read more.
Hydrogen sulfide is present in active or extinct volcanic areas (mofettas). The habitable premises in these areas are affected by the presence of hydrogen sulfide, which, even in low concentrations, gives off a bad to unbearable smell. If the living spaces considered are closed enclosures, then a system can be designed to reduce the concentration of hydrogen sulfide. This paper presents a membrane-based way to reduce the hydrogen sulfide concentration to acceptable limits using a cellulosic derivative–propylene hollow fiber-based composite membrane module. The cellulosic derivatives considered were: carboxymethyl–cellulose (NaCMC), P1; cellulose acetate (CA), P2; methyl 2–hydroxyethyl–cellulose (MHEC), P3; and hydroxyethyl–cellulose (HEC), P4. In the permeation module, hydrogen sulfide is captured with a solution of cadmium that forms cadmium sulfide, usable as a luminescent substance. The composite membranes were characterized by SEM, EDAX, FTIR, FTIR 2D maps, thermal analysis (TG and DSC), and from the perspective of hydrogen sulfide air removal performance. To determine the process performances, the variables were as follows: the nature of the cellulosic derivative–polypropylene hollow fiber composite membrane, the concentration of hydrogen sulfide in the polluted air, the flow rate of polluted air, and the pH of the cadmium nitrate solution. The pertraction efficiency was highest for the sodium carboxymethyl–cellulose (NaCMC)–polypropylene hollow fiber membrane, with a hydrogen sulfide concentration in the polluted air of 20 ppm, a polluted air flow rate (QH2S) of 50 L/min, and a pH of 2 and 4. The hydrogen sulfide flux rates, for membrane P1, fall between 0.25 × 10−7 mol·m2·s−1 for the values of QH2S = 150 L/min, CH2S = 20 ppm, and pH = 2 and 0.67 × 10−7 mol·m−2·s−1 for the values of QH2S = 50 L/min, CH2S = 60 ppm, and pH = 2. The paper proposes a simple air purification system containing hydrogen sulfide, using a module with composite cellulosic derivative–polypropylene hollow fiber membranes. Full article
(This article belongs to the Special Issue Development and Application of Novel Membranes (2nd Edition))
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