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Essentials of Chemical Reaction Engineering by H. Scott Fogler

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5.3.2 CSTRs in Series

A first-order reaction with no change in the volumetric flow rate (υ = υ0) is to be carried out in two CSTRs placed in series (Figure 5-5).

Figure 5-5. Two CSTRs in series.

image

The effluent concentration of reactant A from the first CSTR can be found using Equation (5-9)

image

with τ1 = V10. From a mole balance on reactor 2,

image

Solving for CA2, the concentration exiting the second reactor, we obtain

First-order reaction

5-13

If both ...

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