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Separations
Special Issues
Porous Materials for Separation of Gas and Chemicals
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Porous Materials for Separation of Gas and Chemicals

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Materials in Separation Science".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 1501

Special Issue Editor

Prof. Dr. Xin Zhang

E-Mail Website
Guest Editor
Department of Chemical Engineering, Beijing University of Technology, Beijing, China
Interests: metal-organic frameworks; separation; gas storage; CO2 capture

Special Issue Information

Dear Colleagues,

Separation is a critical and energy-intensive process of the chemical industries, accounting for 15% of global energy consumption. Emerging porous framework materials, such as metal–organic frameworks (MOFs), covalent–organic frameworks (COF), porous aromatic frameworks (PAF) and hydrogen-bonded organic frameworks (HOFs) feature finely tuneable pore structure and surface functionalities and have demonstrated great potential in separation applications.

This Special Issue aims at the emerging trends of separation applications, including but not limited to hydrocarbon separation, VOC capture, greenhouse gas capture, drug separation, water purification, isotope separation and so on. Experimental, theoretical and data-driven approaches such as machine learning research articles and review papers are all welcomed.

Prof. Dr. Xin Zhang
Guest Editor

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. Separations 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 2600 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

  • porous framework materials
  • hydrocarbon separation
  • VOC capture
  • greenhouse gas capture
  • drug separation
  • water purification
  • isotope separation

Published Papers (1 paper)

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Research

16 pages, 3685 KiB  
Article
Fabrication and Characterization of Sulfonated Carbon Materials and Chitosan-Derived Functioned Carbon via Schiff’s Base Process for Separation Purposes
by Ali S. Alghamdi, Kareem Yusuf, Mohamed A. Habila and Zeid A. ALOthman
Separations 2023, 10(9), 475; https://doi.org/10.3390/separations10090475 - 30 Aug 2023
Viewed by 1173
Abstract
The Schiff bases reaction is applied to form various functioned carbon structures using renewable carbon from waste sources, Chitosan, 4-Amino-3-hydroxy-napthalene-1-sulphnic acid, and dimethyl amino benzaldehyde as starting materials. The formed functioned carbons were characterized by TEM, FTIR, XRD, and surface area analysis to [...] Read more.
The Schiff bases reaction is applied to form various functioned carbon structures using renewable carbon from waste sources, Chitosan, 4-Amino-3-hydroxy-napthalene-1-sulphnic acid, and dimethyl amino benzaldehyde as starting materials. The formed functioned carbons were characterized by TEM, FTIR, XRD, and surface area analysis to assess their morphology, structure, porosity, and surface functional groups. In addition, the chromatographic-based thermodynamic analysis is applied to evaluate the surface energy and thermodynamic parameters during the separation of hydrocarbon species. Results indicated the formation of various carbon structures in convex-like shapes with diameters between 600 nm and 1500 nm, including side-building edges of diameter between 100 nm and 316 nm. The formed functioned carbon surfaces are rich with O-H, N=C, C=C, C=O, and C=S groups, as indicated by the FTIR. The function carbons are named carbon coated with Chitosan-derived covalent organic layer (C@Chitosan-COL) as well as Schiff’s base-derived sulfonated carbon (Schiff’s-C-S) in relation to the applied starting materials. The chromatographic-based thermodynamic analysis showed that the entropy changes of adsorption (ΔSA) increased with increasing chain length demonstrating less random movement and higher adsorption in both materials. The fabricated C@Chitosan-COL and Schiff’s-C-S showed an efficient separation of hydrocarbon mixture including n-Nonane, n-Decane, n-Undecane, and n-Dodecane. Full article
(This article belongs to the Special Issue Porous Materials for Separation of Gas and Chemicals)
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