Catalytic hydrogenation of carbon dioxide into C2+ alcohols with Ir-Mo/SiO2

Hideo Nagata, Keiki Yamada, Masahiro Kishida, Yutaka Wada, Katsuhiko Wakabayashi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The hydrogenation of CO2 was investigated with SiO2-supported Ir-Mo bimetallic catalysts. The C2+ alcohols (ethanol, 1-propanol and 1-butanol) were found to be formed by the synergistic action of Ir and Mo. The CO2 conversion was dependent upon metal impregnation procedures and Mo/Ir molar ratios, but the selectivity to C2+ alcohols was almost constant regardless of these factors. Iridium-Mo/SiO2 catalysts exhibited the highest CO2 conversion and yield of C2+ alcohols at a Mo/Ir ratio of about 0.3. The results obtained in this work are similar to those in the CO hydrogenation with Ir-Mo/SiO2 catalysts. As a result, it is suggested that the active species of Ir-Mo/SiO2 catalysts might be the same both in the CO2 hydrogenation and in the CO hydrogenation.

Original languageEnglish
Pages (from-to)657-660
Number of pages4
JournalEnergy Conversion and Management
Volume36
Issue number6-9
DOIs
Publication statusPublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

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