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 W 2 C and Mo 2 C catalysts on activity, selectivity, and stability for the hydrodeoxygenation of oleic acid to evaluate the catalytic potential for the upgrading of fat/oil feeds. W 2 C/CNF was more selective toward olefins, whereas Mo 2 C/CNF was more selective toward paraffins. This was related to the hydrogenation activities of the respective metal carbides. Mo 2 C/CNF showed higher activity and stability compared with W 2 C/CNF.
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Hollak et al. (2013) studied this question.
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