Abstract
Application of the dense loading method for the filling of the catalyst into the trickle bed reactor allows to increase the throughput of the reactor or the reaction conversion and to minimize the liquid maldistribution. These well known effects are utilized in the petrochemical industry for energy cost saving and/or operation cycle prolonging. The residence time distribution in a packed column under trickle flow conditions have been measured by a tracer injection method. Analysis of the tracer injection response and direct measurement of radical flow distribution and liquid holdup indicated the occurrence of the limited mass exchange between flowing liquid and stagnant areas. Influence of regularity of the particles orientation on liquid distribution and its dispersion was evaluated by hydrodynamics models.
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