Catalytic hydrodehalogenation of halon 1211 (CBrClF2) over carbon-supported palladium catalysts

Hai Yu, Eric M. Kennedy, M. Azhar Uddin, Bogdan Z. Dlugogorski

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The hydrodehalogenation of halon 1211 over Pd/C catalysts was studied over a relatively narrow temperature range, from 453 to 573 K. The main products of the reaction are CH2F2 and CHBrF2 with CHClF2 formed as a minor product. Pd/C catalysts show high initial activities but undergo gradual deactivation before reaching a steady-state activity level. Experimental results suggest that CHBrF2 and CHClF2 are formed via the secondary reaction of CF2 with HBr and HCl.

Original languageEnglish
Pages (from-to)253-261
Number of pages9
JournalApplied Catalysis B: Environmental
Volume44
Issue number3
DOIs
Publication statusPublished - Aug 30 2003
Externally publishedYes

Keywords

  • Activated carbon
  • CBrClF
  • CFC
  • CHF
  • Catalytic hydrodehalogenation
  • Halon
  • Palladium

ASJC Scopus subject areas

  • Catalysis
  • Environmental Science(all)
  • Process Chemistry and Technology

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