Synthesis and Application of Inorganic Porous Membranes and Films

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

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 2838

Special Issue Editor


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Guest Editor
Department of Chemistry, Pukyong National University, Busan 48513, Korea
Interests: inorganic chemistry; materials chemistry; zeolite; metal oragnic framework; mesoporous materials; separation; nonlinear optical materials; ion exchange; purification; sensor

Special Issue Information

Dear Colleagues,

Inorganic porous membranes have been used commercially for many years for gas separation, membrane reactors, ion exchange channels, purification, and so on. Inorganic membranes in general, such as zeolite MOF, and various ceramic membrane in particular, have the advantages of possessing uniform molecular pores, solvent resistance, and thermal stability. In recent years, applied research based on inorganic porous membranes has been actively conducted.

This Special Issue on “Synthesis and Application of Porous Membranes and Films” of the journal Membranes seeks to present the state-of-the-art research progress in the field by collecting original articles and reviews on various applications of inorganic membranes. The following topics are of interest to this Special Issue:

  • Zeolite membranes
  • MOF membranes
  • Mesoporous membranes
  • Ceramic membranes
  • Gas separation
  • Functional optical membranes
  • Ion-conducting membranes
  • Sensor applications

Prof. Dr. Hyun Sung Kim
Guest Editor

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Published Papers (1 paper)

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Research

18 pages, 4700 KiB  
Article
Preparation and Evaluation of Nanocomposite Sodalite/α-Al2O3 Tubular Membranes for H2/CO2 Separation
by Orevaoghene Eterigho-Ikelegbe, Samson O. Bada and Michael O. Daramola
Membranes 2020, 10(11), 312; https://doi.org/10.3390/membranes10110312 - 29 Oct 2020
Cited by 9 | Viewed by 2603
Abstract
Nanocomposite sodalite/ceramic membranes supported on α-Al2O3 tubular support were prepared via the pore-plugging hydrothermal (PPH) synthesis protocol using one interruption and two interruption steps. In parallel, thin-film membranes were prepared via the direct hydrothermal synthesis technique. The as-synthesized membranes were [...] Read more.
Nanocomposite sodalite/ceramic membranes supported on α-Al2O3 tubular support were prepared via the pore-plugging hydrothermal (PPH) synthesis protocol using one interruption and two interruption steps. In parallel, thin-film membranes were prepared via the direct hydrothermal synthesis technique. The as-synthesized membranes were evaluated for H2/CO2 separation in the context of pre-combustion CO2 capture. Scanning electron microscopy (SEM) was used to check the surface morphology while x-ray diffraction (XRD) was used to check the crystallinity of the sodalite crystals and as-synthesized membranes. Single gas permeation of H2, CO2, N2 and mixture gas H2/CO2 was used to probe the quality of the membranes. Gas permeation results revealed nanocomposite membrane prepared via the PPH synthesis protocols using two interruption steps displayed the best performance. This was attributed to the enhanced pore-plugging effect of sodalite crystals in the pores of the support after the second interruption step. The nanocomposite membrane displayed H2 permeance of 7.97 × 10−7 mol·s−1·m−2·Pa−1 at 100 °C and 0.48 MPa feed pressure with an ideal selectivity of 8.76. Regarding H2/CO2 mixture, the H2 permeance reduced from 8.03 × 10−7 mol·s−1·m−2·Pa−1 to 1.06 × 10−7 mol·s−1·m−2·Pa−1 at 25 °C and feed pressure of 0.18 MPa. In the presence of CO2, selectivity of the nanocomposite membrane reduced to 4.24. Full article
(This article belongs to the Special Issue Synthesis and Application of Inorganic Porous Membranes and Films)
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