Synthesis of MCM-22 zeolite by the vapor-phase transport method

S. Inagaki, M. Hoshino, E. Kikuchi, M. Matsukata

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

It is reported that the first synthesis of MCM-22 zeolite by the vapor-phase transport (VPT) method and the comparison in the morphologies of MCM-22 synthesized by the VPT and hydrothermal synthetic (HTS) methods. In the VPT method, pure MCM-22 zeolite was crystallized at 150°C for 5 days and at 175°C for 3 days. The morphology of MCM-22 zeolite crystallized by the VPT method was sphere which is an agglomerate of hexagonal thin plates having about 3-5 μm in width with less than 100 nm thick. Such morphology was similar to MCM-22 zeolite synthesized by the HTS method under static condition. The crystallization by the VPT method with the addition of HMI onto dry gel gave smaller MCM-22 crystals consisting of thin plates with 12 μm in width.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume142 A
Publication statusPublished - 2002 Jan 1

ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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