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Introduction to Reactor Design Fundamentals for Ideal Systems  285




























                              Figure 5-7.  Concentrations versus time of A, B, and C in a series reaction
                              A →   B  →  for k /k  = 10.
                                        
                                 
                                            C
                                        k 2
                                  k 1
                                                  2  1
                                 CH 4  +  Cl → CH Cl +  HCl
                                          2
                                                  3
                                 CH Cl +  Cl →  CH Cl +  HCl
                                    3
                                                   2
                                           2
                                 CH Cl +  Cl →  CHCl +  HCl
                                    2  2    2        3
                                 CH Cl +  Cl → CCl +   HCl
                                    3
                                                   4
                                           2
                                Series reactions also occur in oxidation processes where the required
                              product may oxidize further. An example is the production of maleic
                              anhydride from the oxidation of benzene. In this case, the maleic
                              anhydride can be oxidized further to carbon dioxide and water. Another
                              example of a series reaction occurs in the biochemical reaction in
                              which Pseudomonas ovalis is used to convert glucose to gluconic acid
                              via gluconolactone in batch culture. This first order reaction is repre-
                              sented by


                                             G → L  →  P
                                                    
                                           
                                           k 1
                                                    k 2
                                 glucose   gluconolactone   gluconic acid
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