ZSM-5 zeolite membranes prepared from a clear template-free solution

Gang Li, Eiichi Kikuchi, Masahiko Matsukata

    Research output: Contribution to journalArticle

    45 Citations (Scopus)

    Abstract

    Template-free nanosized ZSM-5 seeds were prepared from commercially available ZSM-5 powder. By use of these seeds, thin and hydrophilic ZSM-5 zeolite membranes were prepared on the outer surface of a porous α-alumina tube in a clear solution free from organic template. The membranes showed high thermal stability to withstand pretreatment at 400 °C. At 270 °C, the ideal selectivities for H2/i-butane and N2/SF6 were 61 and 20, respectively. The membrane was effective to separate butane isomers at high temperatures. The maximum of the n/i-butane ideal selectivity was 36 at 300 °C. The separation factors for a 50/50 n/i-butane mixture were as high as 13 in the temperature range from 300 to 400 °C.

    Original languageEnglish
    Pages (from-to)225-235
    Number of pages11
    JournalMicroporous and Mesoporous Materials
    Volume60
    Issue number1-3
    DOIs
    Publication statusPublished - 2003 Jun 19

    Fingerprint

    Butane
    butanes
    templates
    membranes
    Membranes
    Seed
    seeds
    selectivity
    Aluminum Oxide
    Isomers
    pretreatment
    Powders
    Thermodynamic stability
    thermal stability
    Alumina
    isomers
    aluminum oxides
    tubes
    Temperature
    ZSM-5 zeolite

    Keywords

    • Butane isomers
    • Clear solution
    • Template-free
    • Thermal stability
    • ZSM-5 membrane

    ASJC Scopus subject areas

    • Catalysis
    • Materials Science(all)

    Cite this

    ZSM-5 zeolite membranes prepared from a clear template-free solution. / Li, Gang; Kikuchi, Eiichi; Matsukata, Masahiko.

    In: Microporous and Mesoporous Materials, Vol. 60, No. 1-3, 19.06.2003, p. 225-235.

    Research output: Contribution to journalArticle

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