Hydrodechlorination reactions of CCl 4 over HZSM-5- and HY-supported Pt and Pd catalysts

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Abstract

The hydrodechlorination reactions of CCl4 have been studied over Pt/HZSM-5, Pt/HY, Pd/HZSM-5 and Pd/HY under hydrogen atmosphere in the 393-673 K temperature range in a pulse microreactor. The catalysts were prepared by impregnation and were characterised by various physico-chemical means. It has been found that all catalysts were active in the partial to full dechlorination reactions. Typically, over the Pt-containing catalysts methane was the major dechlorinated product, while it was ethane over the Pd-containing catalysts. This latter product predominated over the Pd/HZSM-5 and the quantities of the di- and trichlorinated products were minimal and the monochlorinated one was not formed at all. Phosgene formed was the indication of the partial destruction of the support being more serious for the HY-supported ones.

Original languageEnglish
Pages (from-to)853-857
Number of pages5
JournalTopics in Catalysis
Volume55
Issue number11-13
DOIs
Publication statusPublished - Aug 2012

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Keywords

  • Pd/HY
  • Pd/HZSM-5
  • Product distribution
  • Pt/HY
  • Pt/HZSM-5
  • Pulse microreactor

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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