Page 176 - Modeling of Chemical Kinetics and Reactor Design
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146    Modeling of Chemical Kinetics and Reactor Design













































                              Figure 3-13. (a) Variations in the concentrations of A, B, and C for a reaction
                                                                  
                              occurring by the mechanism  A →  B  →  C. (b) Variations with time of
                                                                  k 2
                                                           k 1
                              the exponentials when k   k k . (c) Variations of the exponentials when
                                                    1    2
                              k   k k .
                               2    1
                              constant, so that generally dC /dt = 0, the basis of the steady-
                                                            B
                              state treatment.

                                      FIRST ORDER REVERSIBLE REACTIONS

                                Consider the reaction  A [  B.  The rate equation for a constant
                                                         k 1
                              volume batch system is:      k 2
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