Study of the influence of catalyst activity on the reaction rateduring hydrotreating of diesel fractions using mathematical modeling

Abstract

The previously developed mathematical model takes into account the activity of the catalyst. The influence of the activityof the catalyst on the rate of the reactions occurring during hydrotreating, the resulting rate constants of the deactivation.The adequacy of calculations of the improved model is checked. It was found that the reduction of catalyst activity byonly 30% significantly affects the reaction rate constants, the reactions are slowed down by 18 times. The quality of theproduct is reduced when the catalyst is deactivated. To compensate for the loss of catalyst activity, it is necessary to varythe technological parameters, in particular, to increase the temperature in the reactor.