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Membranes
Special Issues
Recent Progress in Synthesis and Application of Zeolite Membrane
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Recent Progress in Synthesis and Application of Zeolite Membrane

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

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 1800

Special Issue Editors

Dr. Xiaoyu Wang

E-Mail Website
Guest Editor
Chemical and Biomolecular Engineering Department, University of Notre Dame, Notre Dame, IN, USA
Interests: molecular modeling; zeolites; membranes; separations; ionic liquids
Prof. Dr. Sohail Murad

E-Mail Website
Guest Editor
Illinois Institute of Technology, Chicago, IL, USA
Interests: classical and statistical thermodynamics; using computational molecular modeling to investigate the transport of water, gases, and ions in membranes; water desalination technology; advanced batteries; gas separations; drug delivery

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to this Special Issue of Membranes on “Recent Progress in Synthesis and Application of Zeolite Membrane”. This Special Issue aims to summarize and introduce recent progress on the synthesis and applications of zeolite and zeolitic materials.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: characterization of zeolites, fabrication of zeolitic materials, designing synthesis for new porous zeolitic materials, applications of zeolitic membranes, simulations and multiscale modeling on zeolitic materials, and catalytic processes on zeolite membranes.

We look forward to receiving your contributions.

Dr. Xiaoyu Wang
Prof. Dr. Sohail Murad
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

  • zeolite membrane
  • zeolite synthesis
  • structural directing agents in zeolite synthesis
  • solvent-free zeolite synthesis
  • zeolite-based ion exchange membranes
  • zeolite catalysis
  • zeolitic materials
  • zeolite membrane separations
  • molecular sieves

Published Papers (1 paper)

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Research

18 pages, 7822 KiB  
Article
A Study on the Synthesis and Proton Transport Behavior of Multilayered ZSM-5 Zeolite Nanosheet Membranes Laminated on Polymer Substrates
by Zishu Cao, Landysh Iskhakova, Xinhui Sun and Junhang Dong
Membranes 2023, 13(3), 305; https://doi.org/10.3390/membranes13030305 - 6 Mar 2023
Viewed by 1461
Abstract
Single crystalline ZSM-5 ZNs with thicknesses around 6 nm were obtained by secondary growth of silicalite nanoparticles using diquaternary bis-1,5(tripropyl ammonium) pentamethylene diiodide (dC5) as a structure-directing agent (SDA). The dC5 could be effectively removed from the ZN pores by [...] Read more.
Single crystalline ZSM-5 ZNs with thicknesses around 6 nm were obtained by secondary growth of silicalite nanoparticles using diquaternary bis-1,5(tripropyl ammonium) pentamethylene diiodide (dC5) as a structure-directing agent (SDA). The dC5 could be effectively removed from the ZN pores by either high-temperature calcination or UV irradiation in air at room temperature but not by the piranha solution treatment. Ultrathin ZN-laminated membranes (ZNLMs) were fabricated by sandwiching a UV-activated multilayered ZN film between two recast Nafion® layers (ZNLM-Nafion) and by filtration coating from a suspension of thermally activated ZNs on a nonionic porous PVDF (ZNLM-PVDF). The ZNLMs on both supports demonstrated the ability of highly proton-selective ion conduction with low resistances in aqueous electrolyte solutions. The ZNLM-PVDF with PVDF binder was structurally stable, and it achieved a comparably low ASR but much higher proton selectivity compared with a Nafion membrane of same overall thickness. However, detachment between the ZNLM and Nafion layers occurred when the ZNLM-Nafion operated in aqueous electrolyte solutions. Results of this study show the potential for developing ZNLMs as efficient proton-conducting membranes without using expensive ionic polymer matrices. However, the development of polymer-supported ZNLMs is hindered by the current inefficiency in preparing well-dispersed suspensions of open-pore ZNs. Future development of efficient methods for synthesizing open-pore ZNs in dispersed states is key to realizing high-performance ZNLMs on polymers. Full article
(This article belongs to the Special Issue Recent Progress in Synthesis and Application of Zeolite Membrane)
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