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Membranes
Special Issues
Oxygen Transport Membranes: Synthesis and Applications
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Oxygen Transport Membranes: Synthesis and Applications

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

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 8184

Special Issue Editors

Prof. Dr. Anke Weidenkaff

E-Mail Website
Guest Editor
1. Fraunhofer Research Institution for Materials Recycling and Resource Strategies IWKS, Alzenau, Germany
2. Institute of Materials and Earth Sciences, Technische Universität Darmstadt, Alarich-Weiss-Str. 2, 64287 Darmstadt, Germany
Interests: recycling; energy materials; resource efficiency; perovskites; thermoelectrics; gas separation; oxygen transport membrane; catalysis
Special Issues, Collections and Topics in MDPI journals
Dr. Guoxing Chen

E-Mail Website
Guest Editor
Department of Materials and Earth Sciences, Technische Universität Darmstadt, Alarich-Weiss-Str. 2, 64287 Darmstadt, Germany
Interests: oxygen transport membranes; CO2 conversion; plasma catalysis; gas separation; catalysis; perovskites

Special Issue Information

Dear Colleagues,

Mixed ionic–electronic conducting (MIEC) oxygen transport materials have attracted considerable attention from the scientific community, both from academia and industry, because of their various possible applications as catalysts, as a cathode in solid oxide fuel cells (SOFCs), as an electrolyte membrane for Li-ion batteries, and as separation membranes in membrane reactors. With recent studies and technological advances, oxygen transport membrane-based separation processes represent an alternative path for many traditionally challenging and energy-intense separation processes.

This Special Issue of the journal Membranes on “Oxygen Transport Membranes: Synthesis and Applications” seeks contributions to assess the latest developments and future perspectives of various oxygen transport membrane-based applications. Topics include but are not limited to novel membrane material development, module and reactor design, fabrication techniques, membrane catalysis, characterization, modeling of membrane transport phenomena, industrial exploitation, and new applications. Both reviews and original articles are welcome.

We look forward to receiving your work for this Special Issue.

Prof. Anke Weidenkaff
Dr. Guoxing Chen
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 2200 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

  • Structure–property–performance relationships
  • New membrane materials
  • Oxygen permeability
  • Modeling of membrane transport phenomena
  • Membrane regeneration and recycling
  • Membrane characterization
  • Membrane modification
  • Catalytic layer
  • Oxygen separation
  • Fabrication techniques
  • Energy storage and resource recovery applications

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Published Papers (2 papers)

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Research

32 pages, 7822 KiB  
Article
Oxygen Transport Membranes for Efficient Glass Melting
by Luca Mastropasqua, Francesca Drago, Paolo Chiesa and Antonio Giuffrida
Membranes 2020, 10(12), 442; https://doi.org/10.3390/membranes10120442 - 19 Dec 2020
Cited by 7 | Viewed by 3882
Abstract
Glass manufacturing is an energy-intensive process in which oxy-fuel combustion can offer advantages over the traditional air-blown approach. Examples include the reduction of NOx and particulate emissions, improved furnace operations and enhanced heat transfer. This paper presents a one-dimensional mathematical model solving [...] Read more.
Glass manufacturing is an energy-intensive process in which oxy-fuel combustion can offer advantages over the traditional air-blown approach. Examples include the reduction of NOx and particulate emissions, improved furnace operations and enhanced heat transfer. This paper presents a one-dimensional mathematical model solving mass, momentum and energy balances for a planar oxygen transport membrane module. The main modelling parameters describing the surface oxygen kinetics and the microstructure morphology of the support are calibrated on experimental data obtained for a 30 μm thick dense La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) membrane layer, supported on a 0.7 mm porous LSCF structure. The model is then used to design and evaluate the performance of an oxygen transport membrane module integrated in a glass melting furnace. Three different oxy-fuel glass furnaces based on oxygen transport membrane and vacuum swing adsorption systems are compared to a reference air-blown unit. The analysis shows that the most efficient membrane-based oxyfuel furnace cuts the energy demand by ~22% as compared to the benchmark air-blown case. A preliminary economic assessment shows that membranes can reduce the overall glass production costs compared to oxyfuel plants based on vacuum swing adsorption technology. Full article
(This article belongs to the Special Issue Oxygen Transport Membranes: Synthesis and Applications)
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19 pages, 4439 KiB  
Article
Synthesis and Characterization of 40 wt % Ce0.9Pr0.1O2–δ–60 wt % NdxSr1−xFe0.9Cu0.1O3−δ Dual-Phase Membranes for Efficient Oxygen Separation
by Guoxing Chen, Zhijun Zhao, Marc Widenmeyer, Ruijuan Yan, Ling Wang, Armin Feldhoff and Anke Weidenkaff
Membranes 2020, 10(8), 183; https://doi.org/10.3390/membranes10080183 - 12 Aug 2020
Cited by 14 | Viewed by 3577
Abstract
Dense, H2- and CO2-resistant, oxygen-permeable 40 wt % Ce0.9Pr0.1O2–δ–60 wt % NdxSr1−xFe0.9Cu0.1O3−δdual-phase membranes were prepared in a one-pot process. These [...] Read more.
Dense, H2- and CO2-resistant, oxygen-permeable 40 wt % Ce0.9Pr0.1O2–δ–60 wt % NdxSr1−xFe0.9Cu0.1O3−δdual-phase membranes were prepared in a one-pot process. These Nd-containing dual-phase membranes have up to 60% lower material costs than many classically used dual-phase materials. The Ce0.9Pr0.1O2−δ–Nd0.5Sr0.5Fe0.9Cu0.1O3−δ sample demonstrates outstanding activity and a regenerative ability in the presence of different atmospheres, especially in a reducing atmosphere and pure CO2 atmosphere in comparison with all investigated samples. The oxygen permeation fluxes across a Ce0.9Pr0.1O2−δ–Nd0.5Sr0.5Fe0.9Cu0.1O3−δ membrane reached up to 1.02 mL min−1 cm−2 and 0.63 mL min−1 cm−2 under an air/He and air/CO2 gradient at T = 1223 K, respectively. In addition, a Ce0.9Pr0.1O2–δ–Nd0.5Sr0.5Fe0.9Cu0.1O3–δ membrane (0.65 mm thickness) shows excellent long-term self-healing stability for 125 h. The repeated membrane fabrication delivered oxygen permeation fluxes had a deviation of less than 5%. These results indicate that this highly renewable dual-phase membrane is a potential candidate for long lifetime, high temperature gas separation applications and coupled reaction–separation processes. Full article
(This article belongs to the Special Issue Oxygen Transport Membranes: Synthesis and Applications)
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