Korean Journal of Chemical Engineering

, Volume 33, Issue 8, pp 2319–2324 | Cite as

A selective catalyst for methanol conversion into light olefin with a high propylene to ethylene ratio

  • Hamed Rashidi
  • Ahmad Shariati
  • Mohammad Reza Khosravi-NikouEmail author
  • Touba Hamoule
Catalysis, Reaction Engineering


MSU-S catalyst, assembled from ZSM-5 zeolite seed (MFI), was synthesized with silica to alumina ratio 55 and characterized by XRD, NH3-TPD, BET and FT-IR techniques. It was tested in a vertical fixed bed reactor for selective production of light olefins from methanol (MTO) at temperatures of 400, 450 and 500 °C and WHSV of 1, 5 and 25 h−1. After thorough investigation, it was found that WHSV=5 h−1 and temperature of 500 °C are the optimum conditions for maximum light olefin yield, which was 52% with propylene to ethylene ratio of 4.57. Acidity of MSU-S was promoted by incorporation of phosphotungusticacid (HPW) and a direct method to reach high HPW dispersion and thermal stability. Maximum light olefin yield was observed over HPW-MSU-S at the optimum reaction conditions to be nearly 60% with propylene to ethylene ratio of 4.3.


MSU-S Catalyst Phosphotungusticacid Mesoporous Catalyst Methanol to Olefin 


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Copyright information

© Korean Institute of Chemical Engineers, Seoul, Korea 2016

Authors and Affiliations

  • Hamed Rashidi
    • 1
  • Ahmad Shariati
    • 1
  • Mohammad Reza Khosravi-Nikou
    • 1
    Email author
  • Touba Hamoule
    • 2
  1. 1.Gas Engineering DepartmentPetroleum University of TechnologyAhwazIran
  2. 2.Science DepartmentPetroleum University of TechnologyAhwazIran

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