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Carbon‐Supported Molybdenum Carbide Catalysts for the Conversion of Vegetable Oils

Carbon‐Supported Molybdenum Carbide Catalysts for the Conversion of Vegetable Oils Ordered mesoporous carbon (OMC)‐supported molybdenum carbide catalysts were successfully prepared in one pot using a solvent‐evaporation‐induced self‐assembly strategy accompanied by a carbothermal hydrogen reduction reaction. Characterization with nitrogen sorption, small‐angle XRD, and TEM confirmed that the obtained materials had high surface areas, large pore volumes, ordered mesoporous structures, narrow pore size distributions, and uniform dispersions of molybdenum carbide particles. With nitrogen replaced by hydrogen in the carbothermal reduction reaction, the formation temperature of molybdenum carbide could be reduced by more than 100 °C. By changing the amount of molybdenum precursor added from less than 2 % to more than 5 %, molybdenum carbide structures could be easily regulated from Mo2C to MoC. The catalytic performance of OMC‐supported molybdenum carbide catalysts was evaluated by hydrodeoxygenation of vegetable oils. Compared with Mo2C, MoC exhibited high product selectivity and excellent resistance to leaching in the conversion of vegetable oils into diesel‐like hydrocarbons. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemSusChem - Chemistry and Sustainability, Energy & Materials Wiley

Carbon‐Supported Molybdenum Carbide Catalysts for the Conversion of Vegetable Oils

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References (42)

Publisher
Wiley
Copyright
"Copyright © 2012 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
1864-5631
eISSN
1864-564X
DOI
10.1002/cssc.201100476
pmid
22374620
Publisher site
See Article on Publisher Site

Abstract

Ordered mesoporous carbon (OMC)‐supported molybdenum carbide catalysts were successfully prepared in one pot using a solvent‐evaporation‐induced self‐assembly strategy accompanied by a carbothermal hydrogen reduction reaction. Characterization with nitrogen sorption, small‐angle XRD, and TEM confirmed that the obtained materials had high surface areas, large pore volumes, ordered mesoporous structures, narrow pore size distributions, and uniform dispersions of molybdenum carbide particles. With nitrogen replaced by hydrogen in the carbothermal reduction reaction, the formation temperature of molybdenum carbide could be reduced by more than 100 °C. By changing the amount of molybdenum precursor added from less than 2 % to more than 5 %, molybdenum carbide structures could be easily regulated from Mo2C to MoC. The catalytic performance of OMC‐supported molybdenum carbide catalysts was evaluated by hydrodeoxygenation of vegetable oils. Compared with Mo2C, MoC exhibited high product selectivity and excellent resistance to leaching in the conversion of vegetable oils into diesel‐like hydrocarbons.

Journal

ChemSusChem - Chemistry and Sustainability, Energy & MaterialsWiley

Published: Apr 1, 2012

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