Membranes Processes for Marine Environment

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

Deadline for manuscript submissions: 20 December 2025 | Viewed by 4691

Special Issue Editors


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Equipe Procédés Membranaires, Laboratoire de Mécanique Modélisation et Procédés Propres (M2P2-UMR7340), Aix Marseille Université, 13545 Aix en Provence, France
Interests: industrial membrane processes; purification of water
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Equipe Procédés Membranaires, Laboratoire de Mécanique Modélisation et Procédés Propres (M2P2-UMR7340), Aix Marseille Université, 13545 Aix en Provence, France
Interests: membrane processes; aquaculture; microalgae

Special Issue Information

Dear Colleagues,

The main objective of this Special Issue is to bring together research on membrane processes applied to seawater. The first application obviously concerns the desalination of seawater intended for drinking water purposes, but this Special Issue aims to include broader seawater purification applications such as the cultivation of marine microalgae, the extraction of compounds of interest from seawater or the protection of the marine environment. The removal of micro- and nanoplastics, algal blooms, viruses, pathogens and emerging pollutants such as PFAS using membrane processes are also covered topics. Naturally, subjects ranging from the study of membrane fouling to the development of industrial units in these conditions of high salt concentration will also be considered.

Prof. Dr. Philippe Moulin
Dr. Clémence Cordier
Guest Editors

Manuscript Submission Information

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Keywords

  • sea water
  • membrane processes
  • industrial applications
  • microalgae
  • aquaculture
  • aquapony
  • drinking water
  • reverse osmosis
  • ultrafiltration
  • membrane distillation
  • purification
  • extraction of interest compounds
  • biofouling
  • osmotic pressure

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Published Papers (2 papers)

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Research

23 pages, 2957 KiB  
Article
Comparing Constant and Transient Membrane Transport Parameters for Use in Wave Desalination Models
by Kurban A. Sitterley, Zachary Binger and Dale Scott Jenne
Membranes 2025, 15(8), 243; https://doi.org/10.3390/membranes15080243 - 9 Aug 2025
Viewed by 484
Abstract
Directly pressurizing seawater for desalination with reverse osmosis membranes via wave motion is a promising and sustainable method for producing freshwater in coastal regions. However, such a system could result in significant pressure fluctuations and a departure from conventional steady-state desalination operations. This [...] Read more.
Directly pressurizing seawater for desalination with reverse osmosis membranes via wave motion is a promising and sustainable method for producing freshwater in coastal regions. However, such a system could result in significant pressure fluctuations and a departure from conventional steady-state desalination operations. This study sought to assess if membrane transport parameters (apparent water and salt permeability) should be modeled as transient or constant in solution–diffusion-based modeling efforts of dynamically operated desalination systems, such as those coupled to wave power. Two approaches were used to model membrane transport parameters: one considered each parameter to be a function of the net driving pressure of the system, and the other assumed they were constant across all conditions. A pilot-scale system was used to conduct steady-state and controlled ramping experiments. Data from steady-state experiments were used to calculate transient and constant transport parameters. Parameter combinations were used in a simulation model to predict water flux and effective permeate salinity, and simulation outcomes were compared against experimental ramping results. The transient relationships for both water and salt permeability produced the most accurate results for water flux and comparable results for effective permeate salinity. Development of such relationships would be unique to a specific system but could be valuable in modeling wave-driven desalination systems across the wide range of operating conditions they experience. Full article
(This article belongs to the Special Issue Membranes Processes for Marine Environment)
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24 pages, 6060 KiB  
Article
Chemical Cleaning Techniques for Fouled RO Membranes: Enhancing Fouling Removal and Assessing Microbial Composition
by Mohammed A. Al-Balushi, Htet Htet Kyaw, Myo Tay Zar Myint, Mohammed Al-Abri and Sergey Dobretsov
Membranes 2024, 14(10), 204; https://doi.org/10.3390/membranes14100204 - 26 Sep 2024
Cited by 4 | Viewed by 3516
Abstract
Membrane fouling, a major challenge in desalination, is addressed in this study by investigating three different chemical cleaning protocols (A, B, and C) targeting fouled reverse osmosis (RO) membranes and microbial community composition. Cleaning protocols A and B involve different chemical treatments selected [...] Read more.
Membrane fouling, a major challenge in desalination, is addressed in this study by investigating three different chemical cleaning protocols (A, B, and C) targeting fouled reverse osmosis (RO) membranes and microbial community composition. Cleaning protocols A and B involve different chemical treatments selected based on preliminary tests and literature review, while protocol C follows the manufacturer’s standard recommendation. Membrane morphology, foulant composition, and microbial community variability in fouled, virgin, and cleaned membranes are studied. Effective biofilm removal is observed across all protocols using scanning electron microscopy (SEM), while spectroscopic techniques highlight interactions between foulants and membranes. Importantly, a critical gap in understanding how cleaning strategies influence microbial communities on membranes is addressed. Shifts in dominant bacterial phyla (Proteobacteria, Firmicutes, and Actinobacteria) after cleaning are identified through 16S rRNA amplicon sequencing. Cleaning A showed the best results in reducing microbial counts and restoring composition similar to virgin membranes. Additionally, chemical treatment increased dominance of resistant genera such as Staphylococcus, Bacillus, Citrobacter, and Burkholderia. This study emphasizes the necessity for tailored fouling cleaning strategies for RO membranes, with Cleaning A is a promising solution, paving the way for enhanced water purification technologies. Full article
(This article belongs to the Special Issue Membranes Processes for Marine Environment)
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