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- W4366998495 abstract "Abstract In this contribution, a mathematical model of an industrial trickle-bed reactor employed in the purification of a C4 cut by selective hydrogenation of acetylenic or dienes compounds to obtain high purity 1-butene is presented. A reaction network of ten reactions is included in the model, with kinetics expressions and parameter estimation obtained from previous experimental studies on a commercial catalyst. Internal mass transfer resistances in the catalyst particles are significant; therefore the reaction-diffusion equations must be solved. External mass transfer resistances in the liquid phase were retained, while those in the vapor phase were negligible. The model was employed to analyze the reactor behavior by varying the inlet molar flow rate of hydrogen, the operating pressure, inlet temperature and the level of activity of the catalyst, taking into account its deactivation. It was demonstrated that the mass transfer resistances, inside and outside the catalyst particles, have a significant impact on the selectivity, but a careful operation of the reactor can improve the selectivity and extent the catalyst life. On the other hand, an alternative system was proposed, with two beds and a distributed input of H 2 , which led to a significant improvement in the selectivity." @default.
- W4366998495 created "2023-04-27" @default.
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- W4366998495 date "2023-04-26" @default.
- W4366998495 modified "2023-10-06" @default.
- W4366998495 title "Modeling and simulation of trickle bed reactors for the purification of 1-butene" @default.
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- W4366998495 doi "https://doi.org/10.1515/ijcre-2022-0191" @default.
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