A Co catalyst consisting of 40% Co - 1% Re supported on ?-Al2O3 has been studied in a stainless steel microchannel reactor. These reactors consist of a large number of small, parallel reaction volumes leading to enhanced mass and heat transfer. They are among the most promising technologies in achieving process intensification. The effect of operating temperature and pressure on activity, selectivity and stability has been tested at 210 � 225 0C, 20 � 40 bara and H2/CO = 2.1. The results indicate that higher reactor pressures do not lead to an increase in the reaction rate. The selectivity to C5+ increased practically linearly with increasing conversion of CO, and the effect is stronger at higher temperatures. The catalyst was stable even at a conversion as high as 90 % at 20 bara. However, operation at 40 bar led to deactivation at conversion higher that 70 %. Regeneration by the oxidation-reduction method is effective in recovering catalyst activity.

Fischer-Tropsch synthesis over high-loading Co-based catalysts in a microreactor

248th National Meeting (2014)

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