Growth mechanism of a preferentially oriented mordenite membrane

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

研究成果: Article査読

2 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)369-372
ページ数4
ジャーナルJournal of Zhejiang University: Science
6 B
5
DOI
出版ステータスPublished - 2005 5

ASJC Scopus subject areas

  • 工学(全般)

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