Growth mechanism of a preferentially oriented mordenite membrane

Gang Li, Rui Sen Lin, Eiichi Kikuchi, Masahiko Matsukata

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    A preferentially oriented mordenite membrane was successfully prepared on a seeded porous α-alumina support. Characterization results of XRD (X-ray diffractometer) and FE-SEM (field emission scanning electron microscope) revealed that evolutionary selection might predominantly contribute to the formation of the sharply oriented mordenite membrane. The necessary conditions under which evolutionary selection occurs are: (a) the number density of nuclei on the support surface should be high enough at the early stage; (b) the crystals should grow fastest along one direction; and (c) the zeolite layer should proceed via the successive growth of the crystals nucleated on the support surface instead of the accumulation of the crystals formed in the bulk solution.

    Original languageEnglish
    Pages (from-to)369-372
    Number of pages4
    JournalJournal of Zhejiang University: Science
    Volume6 B
    Issue number5
    Publication statusPublished - 2005 May

    Fingerprint

    Membranes
    Crystals
    Diffractometers
    Field emission
    Electron microscopes
    Alumina
    Scanning
    X rays

    Keywords

    • Evolutionary selection
    • Mordenite
    • Orientation
    • Zeolite membrane

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Growth mechanism of a preferentially oriented mordenite membrane. / Li, Gang; Lin, Rui Sen; Kikuchi, Eiichi; Matsukata, Masahiko.

    In: Journal of Zhejiang University: Science, Vol. 6 B, No. 5, 05.2005, p. 369-372.

    Research output: Contribution to journalArticle

    Li, Gang ; Lin, Rui Sen ; Kikuchi, Eiichi ; Matsukata, Masahiko. / Growth mechanism of a preferentially oriented mordenite membrane. In: Journal of Zhejiang University: Science. 2005 ; Vol. 6 B, No. 5. pp. 369-372.
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