Vapour phase dehydrogenation of cyclohexanol over alumina-supported Pt-Co bimetallic catalysts

Pt/γ- Al₂O₃, Co/γ- Al₂O₃ and Pt- Co/γ- Al₂O₃ with different Pt : Co atomic ratios have been prepared with a total metal content of 10 wt% and characterised by hydrogen chemisorption. The activities of the prereduced catalysts were studied for the reaction of cyclohexanol at 523 K and WHSV of 4.82 and 7.7 h^-1. The Pt-Co/γ-Al₂O₃ catalyst with 1 : 1 Pt : Co atomic ratio shows typical high metal dispersion and cyclohexanone selectivity. This revised version was published online in July 2006 with corrections to the Cover Date.