Mathematical modeling of the process of dehydrogenation of methylbutenes in the presence of oxide ferric potassium catalysts

Abstract

In the work the analysis of the catalytic process of methylbutenes dehydrogenation in isoprene is made. The mathematical model of the process for the adiabatic reactor with the non-moving layer of catalyst, which takes into account the change in the number of moles in the reaction gas mixture (or in the reaction volume), and the nonstationary non-isothermal reactor model for repression is developed. The computational algorithm and program for calculating the basic parameters of the process: the conversion of ethylbutenes, the isoprene yield and selectivity of its formation, are worked out. On the basis of the constructed model the technological optimization is made and the optimal values of the control parameters ( the feed rate at the reactor inlet, the temperature at the reactor inlet, the molar dilution by water vapor) are found that are allowed to obtain the desired products with a maximum yield with constraints on the minimum allowable value of the selectivity of the formation of isoprene and conversion of methylbutenes.