Effects of CO2 addition on the aromatization of propane over metal-loaded ZSM-5 catalysts

S. K. Ihm, Y. K. Park, S. W. Lee

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12 Scopus citations


The catalytic reduction of CO2 accompanying the aromatization of propane is a new type of catalytic reaction for the utilization of CO2. CO2 is reduced into CO by hydrocarbon, and hydrocarbon (propane) is converted into more valuable products. This type of reaction is more economical than the hydrogenation of CO2, since propane is much cheaper than hydrogen. The combined conversion of propane and CO2 was investigated by using metal-loaded ZSM-5 catalysts, which were characterized by temperature-programmed desorption, X-ray diffraction, thermogravimetric analysis and BET analysis. Reduction of CO2 by propane resulted in higher conversion of CO2 and higher CO yield than that by hydrogen. The incorporation of metal ions, such as Zn2+, Cr3+, Fe3+ and Ni2+, into HZSM-5 enhanced the catalytic activity for CO2 reduction. The addition of CO2 was found to suppress the coke deposition during the aromatization of propane. Copyright (C) 2000 John Wiley and Sons, Ltd.

Original languageEnglish
Pages (from-to)778-782
Number of pages5
JournalApplied Organometallic Chemistry
Issue number12
StatePublished - 2000


  • Aromatization
  • CO
  • Propane
  • ZSM-5
  • Zn


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