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

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...

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Bibliographic Details
Published inACS catalysis Vol. 3; no. 12; pp. 2837 - 2844
Main Authors Hollak, Stefan A. W, Gosselink, Robert W, van Es, Daan S, Bitter, Johannes H
Format Journal Article
LanguageEnglish
Published American Chemical Society 06.12.2013
Subjects
adsorption
biodiesel
deoxygenation
diesel production
fatty-acids
hydrocarbons
oils
reaction pathways
ruthenium catalysts
stearic-acid
metal carbides
hydrodeoxygenation
tungsten
oleic acid
molybdenum
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Summary: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.
ISSN:2155-5435
2155-5435
DOI:10.1021/cs400744y