Page 107 - Chemical engineering design
P. 107

88                                   CHEMICAL ENGINEERING













                                                  1.00     1.05  1.10  1.15  1.20  1.30  1.50  2.00  5.00
                                                                              1.6
                                 0.95
                                                                                                             5.00
                                                                              1.5                                 3.0
                                                                                          1.20

                                                                              0.4                                 2.8
                                                 0.90
                                                                                                1.30

                                                            T  = 0.85  r      0.3           1.15      1.50        2.6

                                                                              0.2                                 2.4
                                                                   0.80
                                                                                                                           X
                                                                              0.1          1.10                   2.2
                                                                        0.70                                               function
                                                                       0.60
                                                                                                             2.00  2.0
                                2.8   2.4    2.0   1.6   1.2    0.8   0.4     0
                                                     X
                                                                                     1.05                         1.8      compressibility


                                                                                                          1.50    1.6
                                                                         1.00                   1.20   1.30           Reduced pressure, P r
                                                                                           1.15                   1.4      Generalised


                                                                                 1.10
                                                                                                                  1.2
                                                                                                                           3.9.
                                                                                                                           Figure
                                                                                                                  1.0
                                                                              1.0 5
                                                                                                                  0.8
                                                                              temperature, T  = 1.00  r
                                                                              Reduced
                                                                                                                  0.6



                                     T     ∂V X =       (     ) P −1  V     ∂T  P  P r  =         P c  T  T r  =         T c  0.4  0.2







                                   12     11    10    9      8     7      6     5  Compressibility function, X  4  3  2  1  0
   102   103   104   105   106   107   108   109   110   111   112