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Membranes
Special Issues
New Advances in Membrane Fouling during Water and Wastewater Treatment
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New Advances in Membrane Fouling during Water and Wastewater Treatment

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

Deadline for manuscript submissions: closed (10 June 2024) | Viewed by 3624

Special Issue Editors

Dr. Weichen Lin

E-Mail Website
Guest Editor
Department of Environmental Engineering, Tsinghua University, Beijing 100084, China
Interests: water/wastewater treatment; membrane-based technology; membrane fouling and control; computational fluid dynamics; membrane module design
Special Issues, Collections and Topics in MDPI journals
Dr. Chen Li

E-Mail Website
Guest Editor
College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100107, China
Interests: water treatment; catalytic ceramic membrane; nanofiltration; membrane fouling; photocatalysis; dissolved organic matters; pharmaceutically active compounds
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With increasing water demand and deteriorating water environments, the scarcity of freshwater sources and deterioration of water environments have jointly made the water crisis a salient global concern. Water and wastewater treatment can not only mitigate water pollution but can also relieve water shortage through the production of high-quality freshwater. Membrane-based technologies have been widely used for water/wastewater treatment and reclamation owing to there being no need for chemical addition as well as relatively low energy consumption and high automation capability. However, irreversible membrane fouling encumbers the performance and efficiency of membrane systems. Insights into the membrane fouling mechanism and strategies for membrane fouling control are of great importance. This Special Issue aims to deepen the understanding of membrane fouling phenomena and mechanisms and propose feasible membrane fouling control strategies during water/wastewater treatment.

For this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Membrane fouling characterization;
  • Modeling and simulation;
  • Membrane fouling control;
  • Membrane material;
  • Membrane module design;
  • Pressure-driven membrane technology;
  • Electronic membrane technology.

We look forward to receiving your contributions.

Dr. Weichen Lin
Dr. Chen Li
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. 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 2200 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

  • membrane fouling
  • scaling
  • organic fouling
  • biofouling
  • fouling control/antifouling
  • water/wastewater treatment and reclamation
  • membrane bioreactors
  • MF/UF/NF/RO/FO
  • membrane modification

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

11 pages, 2036 KiB  
Article
Application of Online Flow Cytometry for Early Biofouling Detection in Reverse Osmosis Membrane Systems
by Laura Pulido Beltran, Johannes S. Vrouwenvelder and Nadia Farhat
Membranes 2024, 14(9), 185; https://doi.org/10.3390/membranes14090185 - 27 Aug 2024
Viewed by 1597
Abstract
Biofouling poses a significant challenge to reverse osmosis (RO) membrane systems, necessitating timely detection for effective control. This study evaluated the efficacy of flow cytometry (FCM) for early biofilm detection in comparison to conventional system performance indicators. Feed channel pressure drop and total [...] Read more.
Biofouling poses a significant challenge to reverse osmosis (RO) membrane systems, necessitating timely detection for effective control. This study evaluated the efficacy of flow cytometry (FCM) for early biofilm detection in comparison to conventional system performance indicators. Feed channel pressure drop and total cell concentration in the Membrane Fouling Simulator (MFS) flowcell cross-flow outlet water were monitored over time as early biofouling indicators. The results demonstrated the potential of increased bacterial cell concentration in cross-flow outlet water as a reliable indicator of biofouling development on the membrane. Water outlet monitoring enabled faster biofouling detection compared to feed channel pressure drop. Membrane autopsy confirmed biofilm presence prior to the pressure drop increase, highlighting the advantage of early detection in implementing corrective measures. Timely intervention reduces operational costs and energy consumption in membrane-based processes. Full article
(This article belongs to the Special Issue New Advances in Membrane Fouling during Water and Wastewater Treatment)
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13 pages, 2896 KiB  
Article
Influence of Iron and Magnesium on Fouling Properties of Organic Matter Solution in Membrane Process
by Mohammad T. Alresheedi
Membranes 2024, 14(7), 150; https://doi.org/10.3390/membranes14070150 - 7 Jul 2024
Cited by 1 | Viewed by 1267
Abstract
Organic matter has been identified as a significant type of foulant in membrane processes for water treatment. Its fouling tendency is highly affected by the presence of ions and inorganics. While the effects of ions addition on organic fouling have been extensively researched [...] Read more.
Organic matter has been identified as a significant type of foulant in membrane processes for water treatment. Its fouling tendency is highly affected by the presence of ions and inorganics. While the effects of ions addition on organic fouling have been extensively researched in the past, studies on the effect of positively-charged inorganics, such as Fe2+ and Mg2+, on organic fouling are limited. This study investigates the influence of Fe2+ and Mg2+ addition on fouling properties of the Suwannee River Organic Matter (SROM) solution in the MF process, with and without Ca2+ ions. Results showed that increasing the concentration of Fe2+ and Mg2+ from 0–5 mM promoted SROM fouling, and resulted in an increased flux decline up to 33% and 58%, respectively. Cake layer resistance became more dominant with the addition of Fe2+ and Mg2+, and was counted for more than 60% of the fouling. Mg2+, however, caused higher internal pore blocking, and facilitated the formation of a less permeable cake layer, compared to Fe2+. This was evident in the analysis of the cake layer properties and the visualization of the fouling layer. In all cases, SROM fouling with Fe2+ and Mg2+ worsened with the addition of Ca2+ ions. The results of the study indicated the importance of understanding the interaction between organic matter and Fe2+ and Mg2+, which would provide useful insights on their fouling mechanism and control. Full article
(This article belongs to the Special Issue New Advances in Membrane Fouling during Water and Wastewater Treatment)
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