ZnO/Cr2O3 Catalyst for Reverse-Water-Gas-Shift Reaction of CAMERE Process

Sang Woo Park, Oh Shim Joo, Kwang Deog Jung, Hyo Kim, Sung-Hwan Han

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19 Scopus citations

Abstract

The stability and the activity of Fe2O3/Cr2O3 and ZnO/Cr2O3 catalysts were examined for a reverse-water-gas-shift reaction (RWReaction). The initial activities of those catalysts were quite high so that the conversion reached close to equilibrium. The activity of Fe2O3/Cr2O3, catalyst decreased from 33.5 to 29.8% during the RWReaction for 75 h at 873 K with GHSV (ml/gcat · h) of 100,000. Moreover, the coke formation on the Fe2O3/Cr2O3 catalyst caused clogging in the RWReactor of the CAMERE process. On the other hand, the ZnO/Cr2O3 catalyst showed no coke formation and no deactivation for the RWReaction at 873 K with GHSV (ml/gcat · h) of 150,000. The ZnO/Cr2O3 was a good catalyst for the RWReaction of the CAMERE process.

Original languageEnglish
Pages (from-to)719-722
Number of pages4
JournalKorean Journal of Chemical Engineering
Volume17
Issue number6
DOIs
StatePublished - 2000 Jan 1

Keywords

  • CAMERE Process
  • FeO/CrO
  • Reverse-Water-Gas-Shift Reaction
  • ZnO/CrO

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