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Synthesis of mono- and bi-layer zeolite films on alumina substrates

  • Ali Said
  • , Habiba Nouali
  • , Lionel Limousy
  • , Patrick Dutournie
  • , Ludovic Josien
  • , Joumana Toufaily
  • , Tayssir Hamieh
  • , T. Jean Daou*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Bilayer zeolite films ZSM-5/ZSM-5, ZSM-5/EMC-1 and NaY/ZSM-5 were synthesized on α-alumina plates. The bottom ZSM-5 or faujasite Y (NaY) zeolite layers were obtained by direct hydrothermal synthesis or by using a seeding step followed by a secondary growth method, respectively, while the secondary growth method was used for the synthesis of all the top zeolite layers. A complete characterization of the obtained materials is proposed using various techniques, such as X-ray diffraction, scanning electron microscopy, X-ray fluorescence and nitrogen sorption measurements. Continuous and highly crystallized bi-layer zeolite films with thicknesses around 11-18 μm were obtained.

Original languageEnglish
Pages (from-to)486-495
Number of pages10
JournalComptes Rendus Chimie
Volume19
Issue number4
DOIs
Publication statusPublished - Apr 2016
Externally publishedYes

Keywords

  • Zeolite
  • MR
  • FAU
  • Zeolite film
  • Bi-layered film
  • Crystallisation
  • Secondary growth method
  • MFI FILMS
  • MOLECULAR DECONTAMINATION
  • ENERGETIC PERFORMANCES
  • CERAMIC SUPPORTS
  • DIRECTING AGENTS
  • MEMBRANES
  • COATINGS
  • BEA
  • CRYSTALLIZATION
  • SILICALITE-1

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