YSZ-carbonate dual-phase membranes for high temperature carbon dioxide separation

Howon Ahn, Daeho Kim, Víctor Manuel Aceituno Melgar, Jinsoo Kim, Mohd Roslee Othman, Hoang Viet Phuc Nguyen, Jonghee Han, Sung Pil Yoon

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    A dense yttria stabilized zirconia (YSZ)-carbonate membrane that was impermeable to gas at low temperature became highly permeable to CO2 at temperature above the melting point of the carbonate. The CO2 permeance across the YSZ-molten carbonate dual-phase membrane was observed to be higher than 0.1×10-8mol/m2/Pa/s at temperature >650°C. The movement of ions was promoted at high temperature as YSZ and molten carbonate became highly conductive to oxygen ions and carbonate species, respectively. Addition of poly(methyl methacrylate) (PMMA) during preparation of macroporous YSZ support created interconnected pore structures that were found conducive for carbonate infiltration and integration with the membrane materials.

    Original languageEnglish
    Pages (from-to)3703-3708
    Number of pages6
    JournalJournal of Industrial and Engineering Chemistry
    Volume20
    Issue number5
    DOIs
    Publication statusPublished - 2014 Sept 25

    Bibliographical note

    Funding Information:
    This research was supported by Korea Institute of Science and Technology .

    Keywords

    • Carbon dioxide
    • Membrane
    • Molten carbonate
    • Permeability
    • YSZ

    ASJC Scopus subject areas

    • General Chemical Engineering

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