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Membranes
Special Issues
Nanomaterials-Based Polymeric Membranes for Gas Separation
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Nanomaterials-Based Polymeric Membranes for Gas Separation

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

Deadline for manuscript submissions: closed (10 August 2023) | Viewed by 2200

Special Issue Editors

Dr. Babul Prasad

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Guest Editor
William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 240A CBEC Building, 151 West Woodruff Avenue, Columbus, OH, USA
Interests: carbon capture; membrane separation; development of novel amine carriers for CO2 separation; hydrogen purification; development of functionalized nanomaterials for gas separation; natural gas sweetening; mixed matrix membrane; membrane gas transport; membrane module fabrication
Dr. Randeep Singh

E-Mail Website
Guest Editor
Environmental Science and Engineering Research Lab, Department of Civil Engineering, Yeungnam University, Gyeongsan 38541, Korea
Interests: smart membranes; dense polymeric membranes; ion exchange membranes; mixed matrix membranes; pressure-driven membrane separation processes

Special Issue Information

Dear Colleagues,

Polymeric membranes have an indisputable role as a trustworthy material for gas separation. The membrane gas separations are gaining wider acceptance and have attracted the attention of researchers due to their energy-efficient, cost-effective, and simple modular design. However, there are challenges such as long-term stability, mechanical strength, and its operation in harsh environments that stress the need for a stable and high-performance membrane. These challenges are being overcome by using nano-particles. There are different nanoparticles reported that are being used to fabricate the membrane, such as nanofibers, nanospheres, carbon nanotubes, graphene oxide nanosheets, nanoparticles, MOFs, or a combination of thereof. This opens up a new area of research for the membrane that contains nano-particles in its matrix.

This Special Issue, titled “Nanomaterials-Based Polymeric Membranes for Gas Separation”, will focus on the recent advances in membrane gas separation containing nanofiller. The Special Issue will accept original research articles and reviews in subject areas, including the fabrication of nanomaterial-based membranes for gas separation. Topics include (but are not limited to) the following: polymeric nanocomposite membranes for pre-combustion and post-combustion carbon capture, hydrogen purification, nanomaterials containing advanced membranes, polymer-grafted nanomaterials for gas separation, the development of functionalized nanomaterials for gas separation, the chemistry process of the gas separation membrane, mathematical modelling, and the simulation of the membrane containing nanofiller.

We look forward to receiving your contributions. 

Dr. Babul Prasad
Dr. Randeep Singh
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

  • membrane gas separation
  • mixed matrix membrane
  • polymeric nanocomposite membrane
  • carbon capture using membrane technology
  • hydrogen purification

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Published Papers (1 paper)

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Research

19 pages, 6232 KiB  
Article
A Strategical Improvement in the Performance of CO2/N2 Gas Permeation via Conjugation of L-Tyrosine onto Chitosan Membrane
by Aviti Katare, Rajashree Borgohain, Babul Prasad and Bishnupada Mandal
Membranes 2023, 13(5), 487; https://doi.org/10.3390/membranes13050487 - 29 Apr 2023
Cited by 3 | Viewed by 1626
Abstract
Rubbery polymeric membranes, containing amine carriers, have received much attention in CO2 separation because of their easy fabrication, low cost, and excellent separation performance. The present study focuses on the versatile aspects of covalent conjugation of L-tyrosine (Tyr) onto the high molecular [...] Read more.
Rubbery polymeric membranes, containing amine carriers, have received much attention in CO2 separation because of their easy fabrication, low cost, and excellent separation performance. The present study focuses on the versatile aspects of covalent conjugation of L-tyrosine (Tyr) onto the high molecular weight chitosan (CS) accomplished by using carbodiimide as a coupling agent for CO2/N2 separation. The fabricated membrane was subjected to FTIR, XRD, TGA, AFM, FESEM, and moisture retention tests to examine the thermal and physicochemical properties. The defect-free dense layer of tyrosine-conjugated-chitosan, with active layer thickness within the range of ~600 nm, was cast and employed for mixed gas (CO2/N2) separation study in the temperature range of 25−115 °C in both dry and swollen conditions and compared to that of a neat CS membrane. An enhancement in the thermal stability and amorphousness was displayed by TGA and XRD spectra, respectively, for the prepared membranes. The fabricated membrane showed reasonably good CO2 permeance of around 103 GPU and CO2/N2 selectivity of 32 by maintaining a sweep/feed moisture flow rate of 0.05/0.03 mL/min, respectively, an operating temperature of 85 °C, and a feed pressure of 32 psi. The composite membrane demonstrated high permeance because of the chemical grafting compared to the bare chitosan. Additionally, the excellent moisture retention capacity of the fabricated membrane accelerates high CO2 uptake by amine carriers, owing to the reversible zwitterion reaction. All the features make this membrane a potential membrane material for CO2 capture. Full article
(This article belongs to the Special Issue Nanomaterials-Based Polymeric Membranes for Gas Separation)
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