Preparation of ZSM-5 zeolite film and its formation mechanism

Kyeong Taek Jung, Yong Gun Shul

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

ZSM-5 zeolite films were prepared from nanosized zeolite having 200 nm particles by controlling the drying and dispersion processes. The effects of solid content, drying temperature and solvent on film formation were evaluated. The optimum solid content and drying temperature were 0.1-0.2 wt.% and 80-100°C, respectively. The important steps for the formation of zeolite film were the preparing the nanosized particles and the dispersing them in the polar media (dielectric constant: ≥30ε) because polarity affected the solvent-induced modification of zeolite particles. The specific morphologies of the prepared zeolite films were observed successfully by scanning electron microscopy (SEM). The formation mechanism of the zeolite film was proposed based on the micrographical analysis.

Original languageEnglish
Pages (from-to)189-197
Number of pages9
JournalJournal of Membrane Science
Volume191
Issue number1-2
DOIs
Publication statusPublished - 2001 Sep 30

Fingerprint

Zeolites
preparation
drying
Drying
Temperature
dispersing
Electron Scanning Microscopy
polarity
Permittivity
ZSM-5 zeolite
permittivity
Scanning electron microscopy
scanning electron microscopy
temperature

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

Cite this

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abstract = "ZSM-5 zeolite films were prepared from nanosized zeolite having 200 nm particles by controlling the drying and dispersion processes. The effects of solid content, drying temperature and solvent on film formation were evaluated. The optimum solid content and drying temperature were 0.1-0.2 wt.{\%} and 80-100°C, respectively. The important steps for the formation of zeolite film were the preparing the nanosized particles and the dispersing them in the polar media (dielectric constant: ≥30ε) because polarity affected the solvent-induced modification of zeolite particles. The specific morphologies of the prepared zeolite films were observed successfully by scanning electron microscopy (SEM). The formation mechanism of the zeolite film was proposed based on the micrographical analysis.",
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Preparation of ZSM-5 zeolite film and its formation mechanism. / Jung, Kyeong Taek; Shul, Yong Gun.

In: Journal of Membrane Science, Vol. 191, No. 1-2, 30.09.2001, p. 189-197.

Research output: Contribution to journalArticle

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