A study of the reaction between zeolite H-ferrierite and Cd or Zn metal

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Abstract

Cd- and Zn-form ferrierites were obtained by reacting the mixture of zeolite H-ferrierite and the powder of cadmium or zinc metal. Hydrogen was detected as reaction product, suggesting that the metal was oxidized by the zeolite protons. The reaction was characterized by the rate of H2 evolution using the temperature-programmed reaction (TPRc) method. The H 2-TPRc peak was found to appear at lower temperature for the more volatile Cd metal and for the H-ferrierite, having higher Si-to-Al ratio and containing less extra-framework aluminum (EFAl) species in the zeolite channels. Results suggested that the diffusion rate of the metal vapor within the micropores governed the rate of the reaction.

Original languageEnglish
Pages (from-to)561-565
Number of pages5
JournalJournal of Thermal Analysis and Calorimetry
Volume79
Issue number3
DOIs
Publication statusPublished - Feb 1 2005

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Keywords

  • Cd
  • H-ferrierite
  • H-ferrierite-metal reaction
  • Temperature-programmed reaction (TPRc)
  • Zn

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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