Comparative study on hydrogen-assisted `one-step' methane conversion over Pd-Co/SiO2 and Pt-Co/NaY catalysts

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Abstract

In our laboratory, methane conversion to higher hydrocarbons in `one-step' process under non-oxidative condition at low temperature was first introduced and investigated over Pd-Co/SiO2 prepared by sol/gel method and over Pt-Co/NaY bimetallic catalysts. It was found that methane conversion in one-step process is at least 2.5 times higher than that measured in `two-step' process on the same catalysts. In the present work, the two-step and one-step processes are compared. It has been established that in one-step process when methane dissociation occurs in the presence of hydrogen containing helium, not only the production of higher hydrocarbons increases but also the selectivity is shifted towards larger molecules. Palladium-cobalt system proved to be more efficient than the corresponding platinum-cobalt catalysts.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalCatalysis Today
Volume64
Issue number1-2
DOIs
Publication statusPublished - Jan 1 2001

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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