Zeolites in the environmental protection - decomposition of chlorofluorocarbons over zeolite catalysts

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11 Citations (Scopus)

Abstract

Adsorption and decomposition of CFC-10, -11,-12 and -22 were investigated on different Y-FAU zeolites. The dominant role of acidity in the decomposition was observed. Transition metal ions resulted in enhancement of both the formation and the decomposition of phosgene as a surface intermediate. In the case of CFC-22, due to its hydrogen content, secondary generation of surface OH groups was found as a consequence of complex halogenation, ion exchange and dealumination reactions occurring simultaneously.

Original languageEnglish
Pages (from-to)1509-1516
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume105 B
Publication statusPublished - Dec 1 1997

ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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