Control of Thermal Runaway of an Exothermic Reaction by Coupling with an Endothermic Reaction

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This Demonstration analyzes the control of thermal runaway of an exothermic chemical reaction taking place in the inner tube of a double pipe plug flow reactor cooled by a cocurrent endothermic reaction that takes place in the annulus.


The analysis requires the simultaneous solution of four coupled first-order ordinary differential equations to describe conversion and temperature profiles within the inner pipe and in the annular region; details are shown in [1].


Contributed by: Clay Gruesbeck (October 2012)
Open content licensed under CC BY-NC-SA



The parameters used are given in equations 4–49 to 4–51 of Chapter 4 of [1].


[1] L. A. Belfiore, Transport Phenomena for Chemical Reactor Design, New Jersey: John Wiley & Sons, 2003.

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