Hydrogen production by catalytic dehydrogenation of methylcyclohexane over Pt catalysts supported on pyrolytic waste tire char

Pyrolytic waste tire char was modified to be used as support and a series of catalysts supported with 0.1–1.0 wt% Pt were prepared by conventional wetness impregnation method. TEM images show that the Pt nanoparticles are well-dispersed in any microregions in the sample view on the TEM grid. The results of methylcyclohexane dehydrogenation reaction show the Pt loadings and the reaction temperature have a significant impact on the catalytic activity.

► Purified carbon materials with high surface area were obtained via modification of pyrolytic waste tire char.
► The Pt nanoparticles (around 2.5 nm) are well dispersed on the surface of the carbon materials support.
► The Pt catalyst exhibites 100% selectivity and over 95% conversion on methylcyclohexane dehydrogenation reaction.
► The Pt loading and the reaction temperature have strongly effect on the performance of prepared catalysts.