Page 162 - Fluid Catalytic Cracking Handbook
P. 162

Cracking
                                           Cyclization
                                         Dealkylation
                                                       Isomerization
                                    Polymerization
                                                                    Reaction Class
                              Source: Venuto [2]
                                             Transalkylation
                                      Dehydrogenation
                                                            Hydrogen transfer
                                 Paraffin Alkylation





                                    3C 2H 4 — > 1-C 6H 12
                                                              1~C 8H 16 -> 2C 4H g
                                                    n-C 6H 10 -» iso-C 4H 10
                                                       1-C 4H 8 -» trans-2-C 4H 8
                                                            4C 6H 12 -» 3C 6H 14 + C 6H 6
                                      n-C 6H 14 ^ 1-C 6H 12 + H 2
                                                                n-C 10H 22 -> n-C 7H 16 + C 3H 6
                                           1-C 7H 14 -» CH 3-cyclo-C 6H 11
                                                                    Specific Reaction
                                        iso-C 3H 7-C 6H 5 -> C 6H 6 + C 3H 6
                                                  o-C 6H 4(CH 3) 2 -> m-C 6H 4(CH 3) 2
                                                cyclo-C 6H 12 -» CH 3-cyclo-C 5H 9
                                 1-C 4H 8 + iso-C 4H 10 -> iso-C 8H 18
                                             C 6H 6 + m-C 6H 4(CH 3) 2 -> 2C 6H 5CH 3
                                                                                  Table 4-4
                                                         cyclo-C 6H l2 + 3 1-C 5H !0 -> 3n-C 5H 12 + C 6H 6


                                  —
                                    —
                                                         11.22
                                               1.00
                                           2.11
                                                           12.44
                                      -2.21
                                                       0.32
                                                                    850°F
                                                  0.33
                                        0.41
                                             0.65
                                                    -0.20
                                                                2.04
                                                              1.68
                                 —
                                   —
                                      -1.52
                                                           11.09
                                                         10.35
                                                       0.25
                                               1.09
                                        0.88
                                           1.54
                                                  0.30
                                             0.65
                                                              2.10
                                                                2.46
                                                    -0.23
                                                                    950°F
                                                                          Log K E
                                   -1.2
                                      —
                                                            —
                                          —
                                                 —
                                                        —
                                                                —
                                 3.3
                                                                        (equilibrium constant)
                                               1.10
                                        1.05
                                             0.65
                                                       0.09
                                                              2.23
                                                    -0.36
                                                                    980°F
                                                                               Some Thermodynamic Data for Idealized Reactions of Importance in Catalytic Cracking
                                 _
                                    —
                                                                    950°F
                                             -221
                                               6,264
                                                       -4,874
                                                           109,681
                                           -37,980
                                                         73,249
                                                  -1,310
                                        40,602
                                      56,008
                                                                32,050
                                                    -3,420
                                                              33,663
                                                                        BTU/moie
                                                                          Heat of Reaction
                                        O
                                       O
                                                     O
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