Infrared spectroscopic study of adsorption and reactions of methyl chloride on acidic, neutral and basic zeolites

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Abstract

Infrared (IR) spectroscopic investigations were performed of the adsorption and surface reactions of CH3Cl over acidic, basic and neutral zeolite catalysts. In each case, the spectral changes reflected the appearance of the Fermi resonance phenomenon. The resonance parameters determined pointed to a decreasing extent of resonance in consequence of the adsorption. No influence of the acidity of the adsorbents was observed. The formation and consumption of HCl and OH groups were established at elevated temperatures. The reactions assumed to have occurred are described and explained.

Original languageEnglish
Pages (from-to)391-404
Number of pages14
JournalApplied Catalysis B: Environmental
Volume8
Issue number4
Publication statusPublished - 1996

Fingerprint

Methyl Chloride
methyl chloride
Zeolites
Infrared radiation
adsorption
Adsorption
Surface reactions
Acidity
zeolite
Adsorbents
acidity
catalyst
Catalysts
temperature
Temperature

Keywords

  • Fermi resonance
  • Fourier transform
  • Infrared spectrometry
  • Methyl chloride
  • Y-FAU zeolite

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology
  • Environmental Chemistry

Cite this

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abstract = "Infrared (IR) spectroscopic investigations were performed of the adsorption and surface reactions of CH3Cl over acidic, basic and neutral zeolite catalysts. In each case, the spectral changes reflected the appearance of the Fermi resonance phenomenon. The resonance parameters determined pointed to a decreasing extent of resonance in consequence of the adsorption. No influence of the acidity of the adsorbents was observed. The formation and consumption of HCl and OH groups were established at elevated temperatures. The reactions assumed to have occurred are described and explained.",
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T1 - Infrared spectroscopic study of adsorption and reactions of methyl chloride on acidic, neutral and basic zeolites

AU - Kónya, Z.

AU - Hannus, I.

AU - Kiricsi, I.

PY - 1996

Y1 - 1996

N2 - Infrared (IR) spectroscopic investigations were performed of the adsorption and surface reactions of CH3Cl over acidic, basic and neutral zeolite catalysts. In each case, the spectral changes reflected the appearance of the Fermi resonance phenomenon. The resonance parameters determined pointed to a decreasing extent of resonance in consequence of the adsorption. No influence of the acidity of the adsorbents was observed. The formation and consumption of HCl and OH groups were established at elevated temperatures. The reactions assumed to have occurred are described and explained.

AB - Infrared (IR) spectroscopic investigations were performed of the adsorption and surface reactions of CH3Cl over acidic, basic and neutral zeolite catalysts. In each case, the spectral changes reflected the appearance of the Fermi resonance phenomenon. The resonance parameters determined pointed to a decreasing extent of resonance in consequence of the adsorption. No influence of the acidity of the adsorbents was observed. The formation and consumption of HCl and OH groups were established at elevated temperatures. The reactions assumed to have occurred are described and explained.

KW - Fermi resonance

KW - Fourier transform

KW - Infrared spectrometry

KW - Methyl chloride

KW - Y-FAU zeolite

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