13. Unsteady-State Nonisothermal Reactor Design

Chemical engineers are not gentle people, they like high temperatures and high pressures.

—Prof. Steven LeBlanc

Overview. Up to now we have focused on the steady-state operation of nonisothermal reactors. In this chapter the unsteady-state energy balance will be developed and then applied to CSTRs, as well as well-mixed batch and semibatch reactors. We will use the difference between the rate of “heat generated,” Images, and the rate of “heat removed,” Images, to arrive at the user-friendly form of the energy ...

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