Comparison of Tungsten and Molybdenum Carbide Catalysts for the Hydrodeoxygenation of Oleic Acid

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Abstract

Group 6 (W, Mo) metal carbide catalysts are promising alternatives to hydrodesulfurization (NiMo, CoMo) catalysts and group 10 (Pd) type catalysts in the deoxygenation of vegetable fats/oils. Herein, we report a comparison of carbon nanofiber-supported W2C and Mo2C catalysts on activity, selectivity, and stability for the hydrodeoxygenation of oleic acid to evaluate the catalytic potential for the upgrading of fat/oil feeds. W2C/CNF was more selective toward olefins, whereas Mo2C/CNF was more selective toward paraffins. This was related to the hydrogenation activities of the respective metal carbides. Mo2C/CNF showed higher activity and stability compared with W2C/CNF.
Original languageEnglish
Pages (from-to)2837-2844
JournalACS Catalysis
Volume3
Issue number12
DOIs
Publication statusPublished - 2013

Keywords

  • stearic-acid
  • fatty-acids
  • ruthenium catalysts
  • diesel production
  • reaction pathways
  • deoxygenation
  • biodiesel
  • hydrocarbons
  • adsorption
  • oils

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