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Essentials of Chemical Reaction Engineering by H. Scott Fogler

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6.6.2 Semibatch Reactor Mole Balances

Of the two types of semibatch reactors, we focus attention primarily on the one with constant molar feed. A schematic diagram of this semibatch reactor is shown in Figure 6-5. We shall consider the elementary liquid-phase reaction

A + B → C

Figure 6-5. Semibatch reactor.

image

in which reactant B is slowly added to a well-mixed vat containing reactant A.

A mole balance on species A yields

6-9

image

Mole balance on species A

Three variables can be used to formulate and solve semibatch reactor problems: the concentrations, ...

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