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Membranes
Special Issues
Nanofiltration Membranes for Precise Separation
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Nanofiltration Membranes for Precise Separation

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 2776

Special Issue Editors

Dr. Shenghua Zhou

E-Mail Website
Guest Editor
Department of Civil Engineering, University of Hong Kong, Hong Kong 999077, China
Interests: membrane separation; polyamide; nanofiltration; reverse osmosis
Dr. Guiliang Li

E-Mail Website
Guest Editor
Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Interests: membrane separation; photocatalysis; organic solvent nanofiltration; interfical polymerization
Dr. Yang Liu

E-Mail Website
Guest Editor
Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Interests: membrane separation; adosrption; antifouling; hemocompatibility; hemodialysis

Special Issue Information

Dear Colleagues,

Nanofiltration (NF) membranes have attracted significant attention in recent years and have been adopted in diverse fields, including water treatment, organic solvent separation, and food as well as beverage processing. Although numerous efforts have been devoted to advancing membrane separation performance, achieving the precise separation of solutes with similar sizes is still a huge challenge for current NF membranes. This Special Issue aims to showcase the latest advances in the design, fabrication, and characterization of NF membranes for precision sieving. It will also discuss the challenges and future perspectives associated with their implementation in various processes.

Authors are invited to contribute their original research articles, review articles, and short communications to this Special Issue. Topics for this Special Issue include, but are not limited to, (1) novel materials and fabrication methods for NF membranes, (2) advances in the characterization and performance evaluation of NF membranes, (3) application of NF membranes in water and wastewater treatment, including desalination, resource recovery, and micropollutant removal, (4) pharmaceutical and biotechnology applications, including drug purification, protein separation, and virus removal, and (5) environmental applications, such as gas separation, organic solvent separation, air purification, and heavy metal removal.

Dr. Shenghua Zhou
Dr. Guiliang Li
Dr. Yang Liu
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

  • nanofiltration membrane
  • ion selectivity
  • precise sieving

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Published Papers (1 paper)

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Review

46 pages, 4729 KiB  
Review
Removal of Heavy Metals from Wastewaters and Other Aqueous Streams by Pressure-Driven Membrane Technologies: An Outlook on Reverse Osmosis, Nanofiltration, Ultrafiltration and Microfiltration Potential from a Bibliometric Analysis
by Katherinne Castro and Ricardo Abejón
Membranes 2024, 14(8), 180; https://doi.org/10.3390/membranes14080180 - 22 Aug 2024
Cited by 1 | Viewed by 2321
Abstract
A bibliometric study to analyze the scientific documents released until 2024 in the database Scopus related to the use of pressure-driven membrane technologies (microfiltration, ultrafiltration, nanofiltration and reverse osmosis) for heavy metal removal was conducted. The work aimed to assess the primary quantitative [...] Read more.
A bibliometric study to analyze the scientific documents released until 2024 in the database Scopus related to the use of pressure-driven membrane technologies (microfiltration, ultrafiltration, nanofiltration and reverse osmosis) for heavy metal removal was conducted. The work aimed to assess the primary quantitative attributes of the research in this field during the specified period. A total of 2205 documents were identified, and the corresponding analysis indicated an exponential growth in the number of publications over time. The contribution of the three most productive countries (China, India and USA) accounts for more than 47.1% of the total number of publications, with Chinese institutions appearing as the most productive ones. Environmental Science was the most frequent knowledge category (51.9% contribution), followed by Chemistry and Chemical Engineering. The relative frequency of the keywords and a complete bibliometric network analysis allowed the conclusion that the low-pressure technologies (microfiltration and ultrafiltration) have been more deeply investigated than the high-pressure technologies (nanofiltration and reverse osmosis). Although porous low-pressure membranes are not adequate for the removal of dissolved heavy metals in ionic forms, the incorporation of embedded adsorbents within the membrane structure and the use of auxiliary chemicals to form metallic complexes or micelles that can be retained by this type of membrane are promising approaches. High-pressure membranes can achieve rejection percentages above 90% (99% in the case of reverse osmosis), but they imply lower permeate productivity and higher costs due to the required pressure gradients. Full article
(This article belongs to the Special Issue Nanofiltration Membranes for Precise Separation)
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