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Acta Nova

versión On-line ISSN 1683-0789


ZAVALETA MERCADO, Rónanth. The semicontinous Reactor: Modeling, Simulation and Control Part II Nonlinear Control. RevActaNova. [online]. 2016, vol.7, n.3, pp.215-241. ISSN 1683-0789.

Conservation equations are applied to the Semicontinuous Reactor, also known as the Semibatch Reactor (SBR) for the isothermal, adiabatic and non-isothermal case, to generate the necessary differential equations for modeling and simulation. The resulting equations, expressed in terms of dimensionless normalized variables, are solved numerically for consistency testing by means of computer algebra software (Mathcad®). The model is also expressed in terms of meaningful dimensionless groups of the Damköhler and Biot type. The consistent model is then simulated for typical combinations of operating parameters in preparation for process control and stability simulation and analysis. The SBR is typically non steady, of relatively high operating costs and low throughputs. However high conversions can be achieved and good temperature control allows for the minimizations of unwanted side reactions by means of maintaining low concentrations of one of the reactants. This reactor is extensively used in the manufacture of high value added chemicals (fine chemicals) and in reactions where a careful control is mandatory, such as in the production of high explosives. It is used in case of multiphase reactions involving gas bubbling such as the production of mono, di and tri chlorobenzene. Part I of this article is devoted to generating a robus t modeling and simulation tool for the SBR, while Part II explores its control and stable behavior.

Palabras clave : Semicontinuous Reactor; Semibatch Reactor; SBR control; stable behavior of reactors.

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