Mechanistic study of methanol/water/hydrogen separation through ZSM-5 membrane

Masahiko Matsukata, Kenichi Sawamura, Teruaki Izumi, Mitsuko Takada, Yasushi Sekine, Tetsu Osuna, Eiichi Kikuchi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this communication, we will report our recent results on the mechanism of selective permeation of steam and methanol from gas mixtures through ZSM-5 membrane. ZSM-5 membrane was prepared on the outer surface of a porous alpha-alumina tubular support by a secondary-growth method. Based on the results of structural characterization using FE-SEM, TEM, etc., ZSM-5 crystals tightly connected with each other in the absence of amorphous phase. ZSM-5 membrane was highly selective to steam and methanol, and hydrogen was retained in the permeation side at temperatures ranging from 150 to 300°C. Permeation and adsorption experimental results suggested that strong adsorption of water and methanol on Na cation occluded in the micropore of ZSM-5 contributed to the appearance of selective permeation. Such separation properties would be promising for membrane extractor in reactions such as Fischer-Tropsch synthesis and methanol synthesis.

    Original languageEnglish
    Title of host publicationACS National Meeting Book of Abstracts
    Publication statusPublished - 2007
    Event234th ACS National Meeting - Boston, MA
    Duration: 2007 Aug 192007 Aug 23

    Other

    Other234th ACS National Meeting
    CityBoston, MA
    Period07/8/1907/8/23

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    ASJC Scopus subject areas

    • Chemistry(all)

    Cite this

    Matsukata, M., Sawamura, K., Izumi, T., Takada, M., Sekine, Y., Osuna, T., & Kikuchi, E. (2007). Mechanistic study of methanol/water/hydrogen separation through ZSM-5 membrane. In ACS National Meeting Book of Abstracts