Formation of novel ZSM-5/porous mullite composite from sintered kaolin honeycomb by hydrothermal reaction

Hiroaki Katsuki, Sachiko Furuta, Sridhar Komarneni

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The formation and properties of continuous ZSM-5 film on a porous mullite honeycomb have been investigated. The porous mullite honeycomb coated with ZSM-5 film provides a novel microporous (0.5 nm in diameter)-macroporous (0.5-0.6 μm in diameter) composite. Amorphous silica-glass in the kaolin honeycomb sintered at 1650°C is used as a source for ZSM-5 formation. The honeycomb is hydrothermally treated in NaOH, tetrapropylammonium bromide, and water to prepare a novel honeycomb-zeolite composite by in situ crystallization of ZSM-5 film. This paper describes the effects of hydrothermal conditions - such as reaction temperature, time, and concentration of NaOH solution - on the formation of ZSM-5 film on the honeycomb, and on the mechanical strength and porous properties of the honeycomb composite.

Original languageEnglish (US)
Pages (from-to)1093-1097
Number of pages5
JournalJournal of the American Ceramic Society
Volume83
Issue number5
StatePublished - Jan 1 2000

Fingerprint

Kaolin
Mullite
Composite materials
Zeolites
Fused silica
Crystallization
Bromides
Strength of materials
aluminosilicate
Water
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

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abstract = "The formation and properties of continuous ZSM-5 film on a porous mullite honeycomb have been investigated. The porous mullite honeycomb coated with ZSM-5 film provides a novel microporous (0.5 nm in diameter)-macroporous (0.5-0.6 μm in diameter) composite. Amorphous silica-glass in the kaolin honeycomb sintered at 1650°C is used as a source for ZSM-5 formation. The honeycomb is hydrothermally treated in NaOH, tetrapropylammonium bromide, and water to prepare a novel honeycomb-zeolite composite by in situ crystallization of ZSM-5 film. This paper describes the effects of hydrothermal conditions - such as reaction temperature, time, and concentration of NaOH solution - on the formation of ZSM-5 film on the honeycomb, and on the mechanical strength and porous properties of the honeycomb composite.",
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Formation of novel ZSM-5/porous mullite composite from sintered kaolin honeycomb by hydrothermal reaction. / Katsuki, Hiroaki; Furuta, Sachiko; Komarneni, Sridhar.

In: Journal of the American Ceramic Society, Vol. 83, No. 5, 01.01.2000, p. 1093-1097.

Research output: Contribution to journalArticle

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