Ternary decomposition reaction

Lange and V. Otten, Dehydration of phenyl-ethanol to styrene Zeolite catalysis under reactive distillation, J. Catal. 238, 6-12 (2006). 

Reactive Distillation Design and Control. By William L. Luyben and Cheng-Ching Yu Copyright 2008 John Wiley Sons, Inc. 

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TERNARY DECOMPOSITION REACTION INTERMEDIATE-BOILING REACTANT TABLE 6.1 Kinetic and Vapor-Liquid Equilibrium Parameters 121... 

TERNARY DECOMPOSITION REACTION INTERMEDIATE-BOILING REACTANT... 

As we discussed in Chapters 2 and 5, there is an optimal number of reactive trays at which vapor boilup is minimized in the quaternary system. This effect does not occur in the ternary synthesis reaction system (A + B C). Does it occur in the ternary decomposition reaction (A B + C) ... 

Reactions with the heavy reactant decomposing into lighter products, HK LK + IK, is the more general case in ternary decomposition reactions. This type of relative volatility may have adverse effects on column design because the heavy reactant tends to stay in the lower part of the column. This makes it difficult to remove light products from the column base. 

Two different relative volatility rankings for a ternary decomposition reaction were explored in this chapter. The behavior of systems with an intermediate-boiling reactant is similar to the quaternary system with intermediate-boiling reactants. Systems with heavy reactant are quite different. Two possible flowsheets (two-column and one-column configurations) were discussed. The two-column flowsheet is workable for all positive chemical equilibrium constants. The one-column configuration is feasible for systems with higher chemical equilibrium constants. Economical comparisons of these two flowsheets were also given. 

There is only one reactant in the ternary decomposition reaction. Unlike the quaternary two-feed, two-product systems and ternary synthesis reactions with two feeds and one product, the stoichiometric balance of the reactants is no longer a problem. The control strategy will focus on holding product purities at setpoints. Thus, the control problem is smiilar... 

TABLE 12.5 Controller Tuning Parameters for Ternary Decomposition Reaction IK LK + HK... 

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