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2014, Volume 8, Issue 3

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Frontiers of Chemical Science and Engineering >> 2014, Volume 8, Issue 3 doi: 10.1007/s11705-014-1435-9

Highly selective catalytic hydrodeoxygenation of guaiacol to cyclohexane over Pt/TiO

Department of Chemical, Biological and Pharmaceutical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA

Accepted: 2014-08-15 Available online: 2014-10-11
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Abstract

Catalysts Pt/TiO and NiMo/Al O are highly active and selective for the hydrodeoxygenation of guaiacol in a fixed bed reactor at 300 °C and 7.1 MPa, leading to the hydrogenation of aromatic ring, followed by demethylation and dehydroxylation to produce cyclohexane. For a complete hydrodeoxygenation of guaiacol, metal sites and acid sites are required. NiMo/Al O and Pt/Al O are more active and selective for cyclohexane formation as compared with Pt/TiO at 285 °C and 4 MPa. However, Pt/TiO is stable while the other two catalysts deactivate due to the nature and amount of coke formation during the reaction.

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