Abstract
The kinetics of benzene hydrogenation and poisoning of the commercial Ni-SiO 2-Al 2O 3 catalyst was studied in an isothermal differential flow reactor. The reaction was performed in a kinetic region at temperatures ranging from 403 to 496 K under atmospheric pressure. The rates have been correlated with several power law and Hougen-Watson kinetic models. The rate expression which best fit the data is ▪ which postulates a reaction between the dissociatively adsorbed hydrogen and adsorbed benzene molecules. The poisoning experiments were used for verification of the proposed kinetic model.
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