Special Issue "Selected Papers from the MELPRO 2020"

A special issue of Membranes (ISSN 2077-0375).

Deadline for manuscript submissions: 31 March 2021.

Special Issue Editors

Prof. Dr. Enrico Drioli
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Guest Editor
National Research Council Institute on Membrane Technology (ITM-CNR), c/o University of Calabria, Cubo 17C, 87036 Rende CS, Italy
Interests: membrane science and engineering; membranes in artificial organs; integrated membrane processes; membrane preparation and transport phenomena in membranes; membrane distillation and membrane contactors; catalytic membrane and catalytic membrane reactors; desalination of brackish and saline water; salinity gradient energy fuel cells
Special Issues and Collections in MDPI journals
Dr. Elena Tocci
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Guest Editor
Institute on Membrane Technology, ITM-CNR, Via P. Bucci, Cubo 17/C, 87036 Rende (CS), Italy
Interests: molecular modeling of membranes and membrane operations; modeling of single gas and mixed gas separation; modeling of morphological properties of amorphous glassy membranes; membrane crystallization
Special Issues and Collections in MDPI journals
Dr. Pavel Izák
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Guest Editor
Institute of Chemical Process Fundamentals of the AS CR, Rozvojová 135, 165 02 Prague 6, Czech Republic
Interests: pervaporation; gas and vapor permeation; nanofiltration; liquid membranes; ionic liquids; separation of enantiomers
Dr. Lubos Novak
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Guest Editor
MEGA a.s., Drahobejlova 1452, 190 00 Prague 9, Czech Republic
Interests: electrodialysis; electro deionization; industrial wastewater treatment; zero liquid discharge; hybrid processes; integrated membrane processes; high purity water; ultrapure water; gas membrane separation; diffusion dialysis; acid recycling; glycol purification

Special Issue Information

Dear colleagues,

This Special Issue includes selected papers presented at the Membrane and Electromembrane Processes (MELPRO 2020), to be held from 8 to 11 November 2020, in Prague, Czech Republic.

Conference topics include,

  • New membrane materials
  • Gas, liquid, and vapor separation
  • Pressure driven membrane processes
  • Electrochemical membrane processes
  • Membrane systems in water treatment, biotechnology, and biomedical applications
  • Membrane operations in process engineering
  • Modeling and simulation in membrane systems
  • Membrane systems in the mining industry
  • Membrane systems in space
  • New trends in membrane applications
  • Membrane systems for new agriculture

On behalf of the organizing committee, we cordially invite you to join us. Participants of the conference are cordially invited to contribute original research papers or reviews to this Special Issue of Membranes.

30% discount of Article Processing Charges is available for all the attendees of MELPRO 2020.

Prof. Enrico Drioli
Dr. Elena Tocci
Dr. Pavel Izák
Dr. Lubos Novak
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 papers will be 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 1800 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.

Published Papers (2 papers)

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Research

Open AccessArticle
Partial Desalination of Saline Groundwater: Comparison of Nanofiltration, Reverse Osmosis and Membrane Capacitive Deionisation
Membranes 2021, 11(2), 126; https://doi.org/10.3390/membranes11020126 - 12 Feb 2021
Abstract
Saline groundwater (SGW) is an alternative water resource. However, the concentration of sodium, chloride, sulphate, and nitrate in SGW usually exceeds the recommended guideline values for drinking water and irrigation. In this study, the partial desalination performance of three different concentrated SGWs were [...] Read more.
Saline groundwater (SGW) is an alternative water resource. However, the concentration of sodium, chloride, sulphate, and nitrate in SGW usually exceeds the recommended guideline values for drinking water and irrigation. In this study, the partial desalination performance of three different concentrated SGWs were examined by pressure-driven membrane desalination technologies: nanofiltration (NF), brackish water reverse osmosis (BWRO), and seawater reverse osmosis (SWRO); in addition to one electrochemical-driven desalination technology: membrane capacitive deionisation (MCDI). The desalination performance was evaluated using the specific energy consumption (SEC) and water recovery, determined by experiments and simulations. The experimental results of this study show that the SEC for the desalination of SGW with a total dissolved solid (TDS) concentration of 1 g/L by MCDI and NF is similar and ranges between 0.2–0.4 kWh/m3 achieving a water recovery value of 35–70%. The lowest SECs for the desalination of SGW with a TDS concentration ≥2 g/L were determined by the use of BWRO and SWRO with 0.4–2.9 kWh/m3 for a water recovery of 40–66%. Even though the MCDI technique cannot compete with pressure-driven membrane desalination technologies at higher raw water salinities, this technology shows a high selectivity for nitrate and a high potential for flexible desalination applications. Full article
(This article belongs to the Special Issue Selected Papers from the MELPRO 2020)
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Open AccessArticle
Nitrate-Selective Anion Exchange Membranes Prepared using Discarded Reverse Osmosis Membranes as Support
Membranes 2020, 10(12), 377; https://doi.org/10.3390/membranes10120377 - 27 Nov 2020
Abstract
The present work shows a methodology for the preparation of membranes with a high affinity for nitrates. For this purpose, a polymeric mixture containing an anion exchange resin was extended on a recycled pressure filtration membrane used as mechanical support. Different ion exchange [...] Read more.
The present work shows a methodology for the preparation of membranes with a high affinity for nitrates. For this purpose, a polymeric mixture containing an anion exchange resin was extended on a recycled pressure filtration membrane used as mechanical support. Different ion exchange resins were tested. The influence in ion fractionation of (i) the type of ion exchange resin, (ii) the use of a recycled membrane as support and (iii) the operating current density during the separation process were studied. Results revealed that the employed anion exchange resin could tune up the transport numbers of the anions in the membrane and enhance the transport of nitrates over sulfates. The use of the recycled filtration membrane as support further increased the transport of nitrates in detriment of sulfates in nitrate-selective membranes. Moreover, it considerably improved the mechanical stability of the membranes. Lowering the operational current density also boosted ion fractionation. In addition, the use of recycled membranes as support in membrane preparation is presented as an alternative management route of discarded reverse osmosis membranes, coupling with the challenging management of waste generated by the desalination industry. These membranes could be used for nitrate recovery from wastewater or for nitrate separation from groundwater. Full article
(This article belongs to the Special Issue Selected Papers from the MELPRO 2020)
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