Sugar hydrogenation–combined heat and mass transfer

Teuvo Kilpiöa, Petteri Suominena and Tapio Salmia,    aIndustrial Chemistry and Reaction Engineering, Åbo Akademi University, Biskopsgatan 8, FI-20500 Åbo, Finland

Abstract

The combined internal diffusion and heat transfer was modeled for continuous sugar hydrogenation in a packed bed reactor in the presence of Ru/C catalyst. The steady-state model was based on simultaneous solution of mass and energy balances. The aim was to illustrate how these parabolic PDEs could be solved with a step-by-step calculation for a selected geometry. The adjustable shape factor made the method tunable for various geometries. Sugar hydrogenation had a high selectivity and the reaction followed Langmuir-Hinshelwood ...

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