Multiple SteadyStates in a Continuous StirredTank Reactor


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Multiple Steady States in a CSTRMultiple SteadyStates in a Continuous StirredTank Reactor A continuously stirred tank reactor (CSTR) with heat transfer is used to carry out the reversible, exothermic reaction: A ↔ B . This Demonstration shows how the steadystate solutions change as you vary the feed temperature, the heat transfer coefficient, and the preexponential factor for the reverse reaction. Plots of concentration of product B versus reactor temperature are shown for the mass balance and the energy balance; the intersections of these two balances correspond to the steadystate solutions for the reactor. Either one or three solutions are possible, and when three solutions are obtained, the middle solution (at the intersection of the two plots) is unstable.

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