Abstract
The isomerization of cis-butene on a silica-alumina catalyst, in successive and uninterrupted reaction-regeneration cycles, in an isothermal integral fixed-bed reactor, has been simulated and experimentally studied. In the program for simulation, the following kinetic equations were used: the main reaction, deactivation, and reactivation. The simultaneous optimization of reaction and regeneration steps, with the aim of maximizing the apparent production rate of 1-butene or trans-butene, has been studied. The reaction was operated following a temperature-time sequence. The regeneration consisted of the combination of a step of stripping treatment with an inert gas and of a step of coke combustion. The results of simulation have been experimentally proven in automated reaction-regeneration equipment, in which the optimum conditions of both steps have been used.
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