Experimental and modeling study of the O2-enrichment by perovskite fibers

Research output: Contribution to journal › Article › Research › peer review

Authors

  • Christof Hamel
  • Andreas Seidel-Morgenstern
  • Thomas Schiestel
  • Steffen Werth
  • Haihui Wang
  • Cristina Tablet
  • Jürgen Caro

Research Organisations

External Research Organisations

  • Max Planck Institute for Dynamics of Complex Technical Systems
  • Otto-von-Guericke University Magdeburg
  • Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB)
  • Thyssenkrupp AG
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Details

Original languageEnglish
Pages (from-to)3118-3125
Number of pages8
JournalAIChE journal
Volume52
Issue number9
Publication statusPublished - 8 Aug 2006

Abstract

The production of O2-enriched air (OEA) using dense mixed conducting perovskite hollow fiber membranes was studied experimentally and theoretically. The fibers were prepared by phase inversion spinning followed by sintering. A mathematical model was developed based on the mass balances for the OEA side, the O2-depleted air side and the hollow fiber itself to simulate the O2-enrichment. Based on the experiments and the model, the mass transport in the mixed conducting material was quantified using Wagner's theory. Furthermore, 3-D plots of broad parameter fields were calculated to estimate optimal operation conditions for a maximum O 2-enrichment. The results elucidate that a required O2 concentration in the OEA, and the production rate can be adjusted by controlling the operation parameters, such as temperature, air pressure differences and sweep airflow rates. The long term operation (800 h) indicates that the perovskite hollow fiber membranes offer a promising potential for the industrial OEA production.

Keywords

    Hollow fibers, Mass transfer, Mixed conducting membranes, Oxygen enrichment, Oxygen separation, Perovskite membranes, Reactor modeling, Wagner's theory

ASJC Scopus subject areas

Cite this

Experimental and modeling study of the O2-enrichment by perovskite fibers. / Hamel, Christof; Seidel-Morgenstern, Andreas; Schiestel, Thomas et al.
In: AIChE journal, Vol. 52, No. 9, 08.08.2006, p. 3118-3125.

Research output: Contribution to journal › Article › Research › peer review

Hamel, C, Seidel-Morgenstern, A, Schiestel, T, Werth, S, Wang, H, Tablet, C & Caro, J 2006, 'Experimental and modeling study of the O2-enrichment by perovskite fibers', AIChE journal, vol. 52, no. 9, pp. 3118-3125. https://doi.org/10.1002/aic.10934
Hamel, C., Seidel-Morgenstern, A., Schiestel, T., Werth, S., Wang, H., Tablet, C., & Caro, J. (2006). Experimental and modeling study of the O2-enrichment by perovskite fibers. AIChE journal, 52(9), 3118-3125. https://doi.org/10.1002/aic.10934
Hamel C, Seidel-Morgenstern A, Schiestel T, Werth S, Wang H, Tablet C et al. Experimental and modeling study of the O2-enrichment by perovskite fibers. AIChE journal. 2006 Aug 8;52(9):3118-3125. doi: 10.1002/aic.10934
Hamel, Christof ; Seidel-Morgenstern, Andreas ; Schiestel, Thomas et al. / Experimental and modeling study of the O2-enrichment by perovskite fibers. In: AIChE journal. 2006 ; Vol. 52, No. 9. pp. 3118-3125.
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AU - Hamel, Christof

AU - Seidel-Morgenstern, Andreas

AU - Schiestel, Thomas

AU - Werth, Steffen

AU - Wang, Haihui

AU - Tablet, Cristina

AU - Caro, Jürgen

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N2 - The production of O2-enriched air (OEA) using dense mixed conducting perovskite hollow fiber membranes was studied experimentally and theoretically. The fibers were prepared by phase inversion spinning followed by sintering. A mathematical model was developed based on the mass balances for the OEA side, the O2-depleted air side and the hollow fiber itself to simulate the O2-enrichment. Based on the experiments and the model, the mass transport in the mixed conducting material was quantified using Wagner's theory. Furthermore, 3-D plots of broad parameter fields were calculated to estimate optimal operation conditions for a maximum O 2-enrichment. The results elucidate that a required O2 concentration in the OEA, and the production rate can be adjusted by controlling the operation parameters, such as temperature, air pressure differences and sweep airflow rates. The long term operation (800 h) indicates that the perovskite hollow fiber membranes offer a promising potential for the industrial OEA production.

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