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Ion and Molecule Transport in Membrane Systems, 6th Edition

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Physical Chemistry and Chemical Physics".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 251

Special Issue Editors


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Guest Editor
Department of Physical Chemistry, Kuban State University, 149 Stavropolskaya st., 350040 Krasnodar, Russia
Interests: Ion-exchange membranes (IEMs) and electrodialysis processes; transport phenomena in systems with IEMs; concentration polarization; limiting current; coupled phenomena of concentration polarization (water splitting, electroconvection, gravitation convection, etc.); application of pulsed electric field modes; IEM characterization (structure–properties relationship, current–voltage characteristics, chronopotentiommetry) and modification; IEM scaling; scanning ion conductance microscopy (SICM); electroconvection visualization techniques and other experimental techniques development for IEM and membrane system investigation
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Special Issue Information

Dear Colleagues,

This Special Issue seeks to collect high-quality original research articles and reviews from various fields of research that explore various aspects of membrane science at the molecular level.

This Special Issue encompasses a wide range of topics in the field of membrane science. We welcome papers presenting experimental studies and mathematical modeling that advance our understanding of the mechanisms of ion and molecule transport in artificial and living membrane systems under different driving forces, such as gradients of electric potential, pressure, concentration, and temperature. Studies that explore similarities in the behavior of biological and artificial membranes, and biomimetic structural features of artificial membranes, are of great interest. The scope of this Special Issue covers descriptions of ion and molecule transport through all kinds of membranes; the impact on membrane properties on the performance of separation processes (desalination, concentration of solutions, recovery of targeted species from artificial, industrial and natural mixed solutions); and the operation of batteries, fuel cells and electrolysis. We are especially interested in contributions that address generalities and case studies in the field of membrane material structure–properties relationships; physicochemical and chemicophysical aspects of ion and molecule transport in different processes; equilibria and the kinetics of transport processes in membrane systems; the coupling of ion and molecule transport with chemical reactions and catalysis; the impact of forced, gravitational, and electric current-induced convection on ions and molecule transport; the development and characterization of new membrane-integrated processes and devices; and the combination and hybridization of membrane processes and other aspects of membrane science.

Prof. Dr. Victor V. Nikonenko
Dr. Dmitrii Butylskii
Guest Editors

Manuscript Submission Information

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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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • ion and molecular transport
  • physical chemistry
  • chemical physics
  • transport mechanisms
  • living systems
  • biological and artificial membranes
  • biomimetic structure
  • structure–property relationships
  • thermodynamics
  • irreversible thermodynamics
  • equilibriums
  • kinetics

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Published Papers (1 paper)

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Research

18 pages, 2241 KiB  
Article
Optimization of a Monopolar Electrode Configuration for Hybrid Electrochemical Treatment of Real Washing Machine Wastewater
by Lidia C. Espinoza, Angélica Llanos, Marjorie Cepeda, Alexander Carreño, Patricia Velásquez, Brayan Cruz, Galo Ramírez, Julio Romero, Ricardo Abejón, Esteban Quijada-Maldonado, María J. Aguirre and Roxana Arce
Int. J. Mol. Sci. 2025, 26(13), 6445; https://doi.org/10.3390/ijms26136445 - 4 Jul 2025
Viewed by 175
Abstract
This study focuses on the design and optimization of a monopolar electrode configuration for the hybrid electrochemical treatment of real washing machine wastewater. A combined electrocoagulation (EC) and electro-oxidation (EO) system was optimized to maximize pollutant removal efficiency while minimizing energy consumption. The [...] Read more.
This study focuses on the design and optimization of a monopolar electrode configuration for the hybrid electrochemical treatment of real washing machine wastewater. A combined electrocoagulation (EC) and electro-oxidation (EO) system was optimized to maximize pollutant removal efficiency while minimizing energy consumption. The monopolar setup employed mixed metal oxide (MMO) and aluminum anodes, along with a stainless steel cathode, operating under controlled conditions with sodium chloride as the supporting electrolyte. An applied current density of 15 mA cm−2 achieved 90% chemical oxygen demand (COD) removal, 98% surfactant degradation, complete turbidity reduction within 120 min, and pH stabilization near 8. Additionally, electrochemical disinfection achieved <2 MPN/100 mL, with no detectable phenols and the presence of organic anions such as oxalate and acetate. These results demonstrate the effectiveness of an optimized monopolar EC–EO system as a cost-efficient and sustainable strategy for wastewater treatment and potential water reuse. Further studies should focus on refining energy consumption and monitoring reaction by-products to enhance large-scale applicability. Full article
(This article belongs to the Special Issue Ion and Molecule Transport in Membrane Systems, 6th Edition)
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