Permeation of hexane isomers through an MFI membrane

Takaaki Matsufuji, Kensuke Watanabe, Norikazu Nishiyama, Yasuyuki Egashira, Masahiko Matsukata, Korekazu Ueyama

    Research output: Contribution to journalArticle

    37 Citations (Scopus)

    Abstract

    The pervaporation tests for n-hexane, 2-methylpentane (2-MP), and 2,3- dimethylbutane (2,3-DMB) were performed using an MFI-type zeolitic membrane at 303 K. In the unary systems, those fluxes followed the order n-hexane >> monobranched hexane (2-MP), > dibranched hexane (2,3-DMB). The ideal selectivities of n-hexane/2-MP and n-hexane/2,3-DMB were 37 and 50, respectively, n-Hexane preferentially permeated in the measurements of a binary mixture of n-hexane/2-MP and n-hexane/2,3-DMB. The feed composition dependence in separating n-hexane/2,3-DMB binary mixtures was studied. The separation factor for the 50/50 n-hexane/2,3-DMB mixture exceeded 120, which was much greater than 54 in the 50/50 n-hexane/2-MP system. When the feed concentration of n-hexane was 10 mol %, the separation factor α(n- hexane/2,3-DMB) at the steady state was as high as 270. n-Hexane effectively inhibited the permeation of 2,3-DMB, even when the concentration of n-hexane was very small.

    Original languageEnglish
    Pages (from-to)2434-2438
    Number of pages5
    JournalIndustrial and Engineering Chemistry Research
    Volume39
    Issue number7
    Publication statusPublished - 2000 Jul

    Fingerprint

    Hexanes
    Hexane
    Permeation
    Isomers
    membrane
    Membranes
    Binary mixtures
    n-hexane
    isomer
    Pervaporation
    2,3-dimethylbutane
    test

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Environmental Science(all)
    • Chemical Engineering (miscellaneous)

    Cite this

    Matsufuji, T., Watanabe, K., Nishiyama, N., Egashira, Y., Matsukata, M., & Ueyama, K. (2000). Permeation of hexane isomers through an MFI membrane. Industrial and Engineering Chemistry Research, 39(7), 2434-2438.

    Permeation of hexane isomers through an MFI membrane. / Matsufuji, Takaaki; Watanabe, Kensuke; Nishiyama, Norikazu; Egashira, Yasuyuki; Matsukata, Masahiko; Ueyama, Korekazu.

    In: Industrial and Engineering Chemistry Research, Vol. 39, No. 7, 07.2000, p. 2434-2438.

    Research output: Contribution to journalArticle

    Matsufuji, T, Watanabe, K, Nishiyama, N, Egashira, Y, Matsukata, M & Ueyama, K 2000, 'Permeation of hexane isomers through an MFI membrane', Industrial and Engineering Chemistry Research, vol. 39, no. 7, pp. 2434-2438.
    Matsufuji T, Watanabe K, Nishiyama N, Egashira Y, Matsukata M, Ueyama K. Permeation of hexane isomers through an MFI membrane. Industrial and Engineering Chemistry Research. 2000 Jul;39(7):2434-2438.
    Matsufuji, Takaaki ; Watanabe, Kensuke ; Nishiyama, Norikazu ; Egashira, Yasuyuki ; Matsukata, Masahiko ; Ueyama, Korekazu. / Permeation of hexane isomers through an MFI membrane. In: Industrial and Engineering Chemistry Research. 2000 ; Vol. 39, No. 7. pp. 2434-2438.
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