Abstract
The partial dehydrogenation (PDh) of hydrocarbon blends may be a suitable way to produce H 2 on-board of automotives or airplanes to feed fuel cells and produce electric power, avoiding storage problems. In this work very interesting data have been collected using Jet A-1 surrogate and Pt–Sn/γ-Al 2O 3 catalysts, operating at 450 °C and feeding the vaporised hydrocarbon blend without any carrier gas. The use of Pt/Sn catalyst with 1:1 (w/w) ratio leads to the best compromise between activity and stability with time-on-stream, due to the formation of Pt-rich alloys. Nevertheless, all studied catalysts exhibited limited thio-tolerance. In optimized reaction conditions, H 2 productivity of 3000 NL/kg cat/h, sufficient to produce 3 kW of electric power, considering purification steps and a fuel efficiency of 50%, was obtained.
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