Topics in Catalysis

, Volume 2, Issue 1–4, pp 127–140 | Cite as

Electronic and geometric effects of alkali promoters in CO hydrogenation over K/Mo2C catalysts

  • Jae Sung Lee
  • Soonho Kim
  • Young Gul Kim
Article

Abstract

When potassium salts such as K2CO3, KOH, CH3COOK, and K2S were added to Mo2C, the promoted catalysts showed high selectivities to alcohols and light olefins in CO hydrogenation at 573 K and 1.0 MPa. However, K2SO4 and KCl caused only slight increase in olefin selectivity with negligible alcohol formation. These two groups of promoters showed different physical and chemical states during the reaction as observed by AES, EDS, EPMA, IR and transient reaction behavior. This difference accounted for the observed difference in selectivity.

Keywords

molybdenum carbide catalysts potassium-promoted CO hydrogenation alcohols olefins 

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Copyright information

© J.C. Baltzer AG, Science Publishers 1995

Authors and Affiliations

  • Jae Sung Lee
    • 1
  • Soonho Kim
    • 1
  • Young Gul Kim
    • 1
  1. 1.Research Center for Catalytic TechnologyPohang University of Science and TechnologyPohangKorea

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