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Membranes
Special Issues
Advances in Metal-Organic-Framework (MOF) Membrane for Sustainable Separation
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Advances in Metal-Organic-Framework (MOF) Membrane for Sustainable Separation

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

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 1780

Special Issue Editors

Dr. Yanchao Xu

E-Mail Website
Guest Editor
College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
Interests: metal-organic frameworks; nanofiltration; membrane preparation; polyamide membrans; wastewater treatment; organic solvent nanofiltration
Dr. Yanqiu Zhang

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Xidazhi 92, Harbin 150001, China
Interests: nanofiltration; membrane preparation;COF membrane; MOF membrane; desalination; ion exchange membranes
Dr. Xiaobin Yang

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
Interests: membrane surface and interface engineering; atomic layer deposition

Special Issue Information

Dear Colleagues,

Metal–organic frameworks (MOFs), constructed by organic linkers and metal centers, have emerged as a novel class of crystalline porous materials featuring well-defined and highly designable porosity and pore structures, and thus show great potential in membrane-based separation applications. The past decade has witnessed substanitial progress and exciting breakthroughs in the fabrication and application of MOF membranes. Various fabrication methodologies, including hydro/sothermal synthesis, blending, layer-by-layer assembly, interfacial synthesis, etc., have been developed to obtain both pure-phase MOF films or MOF–polymer-based mixed-matrix membranes for sustainable gas and liquid separation applications. 

This Special Issue, titled “Advances in Metal–Organic Framework (MOF) Membranes for Sustainable Separation”, aims to seek contributions to assess the state of the art and future developments in the field of MOFs as advanced materials for membrane-based separation, both as pure-phase MOF films and as fillers in a polymer matrix to create mixed-matrix membranes, to solve the challenges faced by MOF membranes. Topics include (but are not limited to) the fabrication methodology, application, and transport theory of MOF membranes in gas separation, nanofiltration, desalination, stimuli responsiveness, and catalysis. Manuscripts and communications are considered in this Special Issue for publication.

We look forward to receiving your contributions.

Dr. YanChao Xu
Dr. Yanqiu Zhang
Dr. Xiaobin Yang
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 2700 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

  • metal–organic framework
  • membrane separation
  • membrane fabrication
  • membrane modification
  • gas separation
  • water treatments
  • sustainable separation

Published Papers (1 paper)

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Research

11 pages, 3284 KiB  
Article
Plant Polyphenol Pyrogallol and Polyamine-Based Co-Deposition for High-Efficiency Nanofiltration Membrane Preparation towards Inorganic Salt Removal
by Jiawen Wu, Zhiwen Li, Qingfeng Zhou, Mercy Chigwidi, Yang Jiao, Yanchao Xu and Hongjun Lin
Membranes 2022, 12(11), 1151; https://doi.org/10.3390/membranes12111151 - 16 Nov 2022
Viewed by 1478
Abstract
The co-deposition between polyphenols and amines has been demonstrated in order to prepare positively charged nanofiltration (NF) membranes for multivalent cation rejection in recent years; however, the low reactivities of the involved polyphenols usually cause a long co-deposition time and unsatisfactory rejection. Herein, [...] Read more.
The co-deposition between polyphenols and amines has been demonstrated in order to prepare positively charged nanofiltration (NF) membranes for multivalent cation rejection in recent years; however, the low reactivities of the involved polyphenols usually cause a long co-deposition time and unsatisfactory rejection. Herein, a novel plant polyphenol (PG) was co-deposited with tetraethylenepentamine (TEPA) in a much shorter time period to prepare positively charged NF with high multivalent cation rejection membranes. The performance of the co-deposition membranes can be easily controlled by adjusting the mass ratio of PG and TEPA, reaction time, and pH value of the buffer solution. The optimal membrane, prepared under a polyphenol and polyamine mass ratio of 1:1, coating time of 2 h, and pH value of 8.0, shows a decent pure water permeability of 8.43 L m−2 h−1 bar−1 while maintaining a superior 96.24% MgCl2 rejection. More importantly, the universality of this method was corroborated by employing other amines with different molecular weights in the co-deposition. This work provides new insights for the preparation of high-performance positively charged NF membranes. Full article
(This article belongs to the Special Issue Advances in Metal-Organic-Framework (MOF) Membrane for Sustainable Separation)
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